/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_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:16:15,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:16:15,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:16:15,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:16:15,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:16:15,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:16:15,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:16:15,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:16:15,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:16:15,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:16:15,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:16:15,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:16:15,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:16:15,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:16:15,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:16:15,899 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:16:15,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:16:15,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:16:15,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:16:15,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:16:15,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:16:15,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:16:15,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:16:15,928 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:16:15,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:16:15,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:16:15,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:16:15,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:16:15,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:16:15,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:16:15,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:16:15,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:16:15,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:16:15,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:16:15,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:16:15,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:16:15,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:16:15,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:16:15,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:16:15,963 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:16:15,964 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:16:15,972 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 03:16:16,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:16:16,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:16:16,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:16:16,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:16:16,027 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:16:16,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:16:16,028 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:16:16,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:16:16,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:16:16,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:16:16,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:16:16,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:16:16,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:16:16,030 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:16:16,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:16:16,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:16:16,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:16:16,031 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:16:16,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:16:16,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:16:16,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:16:16,032 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:16:16,032 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:16:16,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:16:16,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:16:16,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:16:16,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:16:16,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:16:16,034 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:16:16,034 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:16:16,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:16:16,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:16:16,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:16:16,492 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:16:16,493 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:16:16,494 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product26.cil.c [2020-10-27 03:16:16,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c1e1217c/67b70c2d426f481685d158b71ce61e2c/FLAGa81aa4e52 [2020-10-27 03:16:17,423 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:16:17,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec9_product26.cil.c [2020-10-27 03:16:17,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c1e1217c/67b70c2d426f481685d158b71ce61e2c/FLAGa81aa4e52 [2020-10-27 03:16:17,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3c1e1217c/67b70c2d426f481685d158b71ce61e2c [2020-10-27 03:16:17,596 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:16:17,602 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:16:17,604 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:16:17,604 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:16:17,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:16:17,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:16:17" (1/1) ... [2020-10-27 03:16:17,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5851bd42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:17, skipping insertion in model container [2020-10-27 03:16:17,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:16:17" (1/1) ... [2020-10-27 03:16:17,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:16:17,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:16:18,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:16:18,467 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:16:18,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:16:18,755 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:16:18,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18 WrapperNode [2020-10-27 03:16:18,756 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:16:18,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:16:18,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:16:18,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:16:18,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18" (1/1) ... [2020-10-27 03:16:18,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18" (1/1) ... [2020-10-27 03:16:18,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18" (1/1) ... [2020-10-27 03:16:18,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18" (1/1) ... [2020-10-27 03:16:18,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18" (1/1) ... [2020-10-27 03:16:18,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18" (1/1) ... [2020-10-27 03:16:18,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18" (1/1) ... [2020-10-27 03:16:19,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:16:19,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:16:19,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:16:19,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:16:19,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18" (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 03:16:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:16:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:16:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:16:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:16:19,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:16:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:16:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:16:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:16:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:16:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:16:19,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 03:16:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 03:16:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 03:16:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 03:16:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 03:16:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 03:16:19,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 03:16:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 03:16:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:16:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:16:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 03:16:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 03:16:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 03:16:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 03:16:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 03:16:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 03:16:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 03:16:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 03:16:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 03:16:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 03:16:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 03:16:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 03:16:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:16:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 03:16:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 03:16:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 03:16:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 03:16:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 03:16:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 03:16:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:16:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:16:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:16:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:16:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:16:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 03:16:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 03:16:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-27 03:16:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 03:16:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 03:16:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-27 03:16:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-27 03:16:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 03:16:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 03:16:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 03:16:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 03:16:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 03:16:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 03:16:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 03:16:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 03:16:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 03:16:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 03:16:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 03:16:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 03:16:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 03:16:19,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2020-10-27 03:16:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2020-10-27 03:16:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 03:16:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 03:16:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 03:16:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 03:16:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 03:16:19,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 03:16:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 03:16:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 03:16:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 03:16:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 03:16:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 03:16:19,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 03:16:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 03:16:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 03:16:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 03:16:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 03:16:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 03:16:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 03:16:19,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 03:16:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 03:16:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 03:16:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 03:16:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 03:16:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 03:16:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 03:16:19,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 03:16:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 03:16:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 03:16:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 03:16:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 03:16:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 03:16:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 03:16:19,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 03:16:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 03:16:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 03:16:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 03:16:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 03:16:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 03:16:19,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 03:16:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 03:16:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 03:16:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 03:16:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 03:16:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 03:16:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 03:16:19,114 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 03:16:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 03:16:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 03:16:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 03:16:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 03:16:19,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 03:16:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:16:19,115 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:16:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:16:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:16:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:16:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:16:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:16:19,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:16:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:16:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:16:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:16:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:16:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:16:19,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:16:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:16:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:16:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:16:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:16:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:16:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:16:19,118 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:16:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 03:16:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 03:16:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 03:16:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 03:16:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 03:16:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 03:16:19,119 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 03:16:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 03:16:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 03:16:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 03:16:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 03:16:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 03:16:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 03:16:19,120 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:16:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:16:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:16:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 03:16:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 03:16:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 03:16:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 03:16:19,121 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 03:16:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 03:16:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 03:16:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 03:16:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 03:16:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 03:16:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 03:16:19,122 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:16:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:16:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:16:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 03:16:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 03:16:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 03:16:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 03:16:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 03:16:19,123 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 03:16:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 03:16:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 03:16:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 03:16:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 03:16:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 03:16:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 03:16:19,124 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 03:16:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 03:16:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 03:16:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 03:16:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 03:16:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 03:16:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 03:16:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 03:16:19,125 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 03:16:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 03:16:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 03:16:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 03:16:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 03:16:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 03:16:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 03:16:19,126 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 03:16:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:16:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:16:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 03:16:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 03:16:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 03:16:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 03:16:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 03:16:19,127 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 03:16:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 03:16:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 03:16:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 03:16:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 03:16:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 03:16:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 03:16:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 03:16:19,128 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 03:16:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 03:16:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 03:16:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 03:16:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 03:16:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 03:16:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2020-10-27 03:16:19,129 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 03:16:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-27 03:16:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-27 03:16:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-27 03:16:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 03:16:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2020-10-27 03:16:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 03:16:19,130 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 03:16:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 03:16:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 03:16:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 03:16:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 03:16:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 03:16:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 03:16:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 03:16:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 03:16:19,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 03:16:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 03:16:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 03:16:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 03:16:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 03:16:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 03:16:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 03:16:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 03:16:19,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 03:16:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 03:16:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 03:16:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 03:16:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:16:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:16:19,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:16:22,630 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:16:22,630 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 03:16:22,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:16:22 BoogieIcfgContainer [2020-10-27 03:16:22,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:16:22,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:16:22,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:16:22,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:16:22,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:16:17" (1/3) ... [2020-10-27 03:16:22,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dbd1b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:16:22, skipping insertion in model container [2020-10-27 03:16:22,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:16:18" (2/3) ... [2020-10-27 03:16:22,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dbd1b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:16:22, skipping insertion in model container [2020-10-27 03:16:22,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:16:22" (3/3) ... [2020-10-27 03:16:22,643 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec9_product26.cil.c [2020-10-27 03:16:22,656 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:16:22,663 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:16:22,678 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:16:22,710 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:16:22,710 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:16:22,711 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:16:22,711 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:16:22,711 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:16:22,711 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:16:22,711 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:16:22,711 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:16:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states. [2020-10-27 03:16:22,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 03:16:22,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:16:22,771 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 03:16:22,771 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 03:16:22,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:16:22,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1486770128, now seen corresponding path program 1 times [2020-10-27 03:16:22,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:16:22,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [230739393] [2020-10-27 03:16:22,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:16:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:23,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:23,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:24,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:24,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:24,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:28,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:28,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 03:16:28,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:16:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5073 [2020-10-27 03:16:28,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:16:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:16:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:16:28,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:16:33,149 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 03:16:33,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:16:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:16:33,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 03:16:33,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:33,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:16:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:16:33,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:33,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:33,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:16:33,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:16:33,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:33,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:16:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:33,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:16:33,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:33,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:33,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:33,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:33,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:16:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:33,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:33,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:34,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 03:16:38,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:16:38,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:16:38,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:16:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:16:38,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:16:38,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:16:38,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:16:38,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:16:38,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:16:38,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:38,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:16:38,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:16:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:38,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:16:38,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:16:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:16:38,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:16:38,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-27 03:16:38,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:16:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:16:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:16:38,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:16:38,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:16:38,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:16:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:16:38,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:38,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:16:38,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:16:38,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:16:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:38,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:16:38,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:16:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:16:38,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:16:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:16:38,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:16:38,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:16:38,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:16:38,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:16:38,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:38,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:38,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:16:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:38,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:38,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:38,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:38,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 03:16:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:38,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:38,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:38,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:16:38,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:38,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:16:38,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 03:16:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:38,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:39,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:16:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:39,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:39,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:39,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:39,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:39,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:39,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:39,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:39,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:39,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:39,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:39,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:16:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:39,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:39,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:39,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:39,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:39,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:16:39,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:16:39,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:39,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 03:16:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:39,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:39,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:39,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:39,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:39,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:39,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:39,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:39,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:39,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 03:16:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:39,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:39,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:39,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:39,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:39,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:39,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:39,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:39,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 03:16:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:39,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:39,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:39,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:16:39,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:39,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:16:39,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:39,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:39,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:16:39,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:39,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:39,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 03:16:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:39,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:39,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:39,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:39,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:39,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:39,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:39,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:39,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:39,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:39,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:39,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 03:16:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:39,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:39,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:39,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:39,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:16:39,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:39,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:39,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:39,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 03:16:39,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:16:39,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:16:39,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:16:39,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:16:39,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:16:39,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:16:39,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:16:39,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:16:39,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:16:39,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:16:39,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:16:39,269 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 03:16:39,270 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [230739393] [2020-10-27 03:16:39,272 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:16:39,273 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 03:16:39,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205851683] [2020-10-27 03:16:39,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 03:16:39,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:16:39,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 03:16:39,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-27 03:16:39,299 INFO L87 Difference]: Start difference. First operand 609 states. Second operand 15 states. [2020-10-27 03:16:46,789 WARN L193 SmtUtils]: Spent 4.52 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 03:16:51,795 WARN L193 SmtUtils]: Spent 4.43 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-27 03:16:56,373 WARN L193 SmtUtils]: Spent 4.50 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 03:17:01,476 WARN L193 SmtUtils]: Spent 4.42 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 03:17:37,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:17:37,801 INFO L93 Difference]: Finished difference Result 1555 states and 2318 transitions. [2020-10-27 03:17:37,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 03:17:37,807 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2020-10-27 03:17:37,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:17:37,839 INFO L225 Difference]: With dead ends: 1555 [2020-10-27 03:17:37,839 INFO L226 Difference]: Without dead ends: 922 [2020-10-27 03:17:37,854 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 659 ImplicationChecksByTransitivity, 24.7s TimeCoverageRelationStatistics Valid=534, Invalid=1916, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 03:17:37,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2020-10-27 03:17:38,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 591. [2020-10-27 03:17:38,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2020-10-27 03:17:38,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 804 transitions. [2020-10-27 03:17:38,224 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 804 transitions. Word has length 155 [2020-10-27 03:17:38,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:17:38,225 INFO L481 AbstractCegarLoop]: Abstraction has 591 states and 804 transitions. [2020-10-27 03:17:38,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 03:17:38,225 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 804 transitions. [2020-10-27 03:17:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 03:17:38,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:17:38,233 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 03:17:38,233 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:17:38,234 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 03:17:38,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:17:38,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1263886576, now seen corresponding path program 1 times [2020-10-27 03:17:38,235 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:17:38,235 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1501062397] [2020-10-27 03:17:38,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:17:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:38,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:38,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:38,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:39,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:39,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:42,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:43,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:43,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 03:17:43,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:17:43,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 03:17:43,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:43,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-27 03:17:43,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:17:43,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-27 03:17:43,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:47,920 WARN L193 SmtUtils]: Spent 4.35 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 03:17:47,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:17:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:48,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:48,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:48,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:17:48,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:48,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 182 [2020-10-27 03:17:48,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:17:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:48,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:17:48,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:48,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:17:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:48,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:48,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:48,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:17:48,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:48,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:48,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:48,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:17:48,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:48,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:17:48,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:48,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:17:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:48,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:48,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:48,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:17:48,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:48,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:48,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:48,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:17:48,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:48,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:17:48,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:48,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:17:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:48,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:48,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:48,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:17:48,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:48,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:48,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:48,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:17:48,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:48,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:17:48,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:48,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:17:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:48,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:48,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:48,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:48,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:48,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:51,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:52,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 03:17:53,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 03:17:53,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:17:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 03:17:53,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:17:53,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:17:53,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:17:53,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:17:53,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:17:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:17:53,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:17:53,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:17:53,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-27 03:17:53,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:17:53,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 03:17:53,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:17:53,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:17:53,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:17:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:17:53,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:53,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:53,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:17:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:17:53,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:17:53,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:17:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:17:53,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:17:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:17:53,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 03:17:53,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:17:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:17:53,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:53,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:53,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:53,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:17:53,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:53,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:17:53,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:53,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:53,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:53,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:17:53,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:53,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:54,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:54,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:54,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:17:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:54,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:54,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:54,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:54,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 03:17:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:17:54,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 03:17:54,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:17:54,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:54,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 03:17:54,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:17:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:54,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:17:54,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:17:54,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:54,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:17:54,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:17:54,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:17:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:54,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:17:54,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:17:54,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:54,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:17:54,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:17:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:54,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:17:54,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:17:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:54,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:17:54,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 03:17:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:54,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:17:54,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:17:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:17:54,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:17:54,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 03:17:54,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:17:54,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:17:54,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:17:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:17:54,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:17:54,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 03:17:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:54,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:54,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:54,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:17:54,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:54,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 03:17:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:54,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:54,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:17:54,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:54,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 03:17:54,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:17:54,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:17:54,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:17:54,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:17:54,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:17:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:17:54,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:17:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:17:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:17:54,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:17:54,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:17:54,781 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 03:17:54,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1501062397] [2020-10-27 03:17:54,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:17:54,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 03:17:54,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039471509] [2020-10-27 03:17:54,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 03:17:54,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:17:54,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 03:17:54,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=742, Unknown=0, NotChecked=0, Total=812 [2020-10-27 03:17:54,785 INFO L87 Difference]: Start difference. First operand 591 states and 804 transitions. Second operand 29 states. [2020-10-27 03:18:04,470 WARN L193 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-27 03:18:10,706 WARN L193 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 601 [2020-10-27 03:18:20,745 WARN L193 SmtUtils]: Spent 8.99 s on a formula simplification. DAG size of input: 598 DAG size of output: 596 [2020-10-27 03:18:29,918 WARN L193 SmtUtils]: Spent 9.03 s on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2020-10-27 03:18:40,161 WARN L193 SmtUtils]: Spent 9.15 s on a formula simplification. DAG size of input: 604 DAG size of output: 602 [2020-10-27 03:18:43,047 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2020-10-27 03:18:53,567 WARN L193 SmtUtils]: Spent 9.03 s on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2020-10-27 03:19:02,830 WARN L193 SmtUtils]: Spent 9.06 s on a formula simplification. DAG size of input: 604 DAG size of output: 602 [2020-10-27 03:19:12,231 WARN L193 SmtUtils]: Spent 8.98 s on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2020-10-27 03:19:12,884 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-10-27 03:19:13,282 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-27 03:19:14,260 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-10-27 03:19:24,413 WARN L193 SmtUtils]: Spent 8.98 s on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2020-10-27 03:19:24,949 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2020-10-27 03:19:25,623 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-10-27 03:19:26,051 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2020-10-27 03:19:26,793 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2020-10-27 03:19:27,694 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2020-10-27 03:19:28,310 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2020-10-27 03:19:28,588 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2020-10-27 03:19:37,939 WARN L193 SmtUtils]: Spent 9.00 s on a formula simplification. DAG size of input: 600 DAG size of output: 598 [2020-10-27 03:19:44,414 WARN L193 SmtUtils]: Spent 4.40 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-27 03:19:57,918 WARN L193 SmtUtils]: Spent 9.17 s on a formula simplification. DAG size of input: 602 DAG size of output: 600 [2020-10-27 03:20:07,462 WARN L193 SmtUtils]: Spent 9.02 s on a formula simplification. DAG size of input: 600 DAG size of output: 598 [2020-10-27 03:20:17,108 WARN L193 SmtUtils]: Spent 9.13 s on a formula simplification. DAG size of input: 603 DAG size of output: 601