/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=DEEPEST --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_spec8_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:49:07,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:49:07,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:49:07,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:49:07,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:49:07,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:49:07,826 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:49:07,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:49:07,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:49:07,833 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:49:07,834 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:49:07,836 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:49:07,836 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:49:07,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:49:07,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:49:07,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:49:07,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:49:07,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:49:07,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:49:07,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:49:07,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:49:07,870 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:49:07,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:49:07,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:49:07,883 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:49:07,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:49:07,884 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:49:07,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:49:07,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:49:07,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:49:07,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:49:07,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:49:07,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:49:07,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:49:07,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:49:07,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:49:07,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:49:07,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:49:07,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:49:07,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:49:07,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:49:07,897 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 21:49:07,958 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:49:07,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:49:07,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:49:07,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:49:07,963 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:49:07,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:49:07,965 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:49:07,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:49:07,965 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:49:07,965 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:49:07,966 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:49:07,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:49:07,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:49:07,967 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:49:07,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:49:07,967 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:49:07,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:49:07,968 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:49:07,968 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:49:07,968 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:49:07,969 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:49:07,969 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:49:07,969 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:49:07,969 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:49:07,969 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:49:07,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:49:07,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:49:07,970 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:49:07,970 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:49:07,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:49:08,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:49:08,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:49:08,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:49:08,412 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:49:08,413 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:49:08,414 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product30.cil.c [2020-10-27 21:49:08,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e03acdc17/1919e455660443809f696a35acda7936/FLAG0de2fd772 [2020-10-27 21:49:09,264 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:49:09,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product30.cil.c [2020-10-27 21:49:09,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e03acdc17/1919e455660443809f696a35acda7936/FLAG0de2fd772 [2020-10-27 21:49:09,518 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e03acdc17/1919e455660443809f696a35acda7936 [2020-10-27 21:49:09,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:49:09,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:49:09,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:49:09,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:49:09,541 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:49:09,542 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:49:09" (1/1) ... [2020-10-27 21:49:09,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1141276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:09, skipping insertion in model container [2020-10-27 21:49:09,546 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:49:09" (1/1) ... [2020-10-27 21:49:09,555 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:49:09,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:49:10,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:49:10,535 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:49:10,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:49:10,820 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:49:10,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10 WrapperNode [2020-10-27 21:49:10,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:49:10,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:49:10,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:49:10,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:49:10,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10" (1/1) ... [2020-10-27 21:49:10,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10" (1/1) ... [2020-10-27 21:49:10,909 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10" (1/1) ... [2020-10-27 21:49:10,915 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10" (1/1) ... [2020-10-27 21:49:11,011 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10" (1/1) ... [2020-10-27 21:49:11,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10" (1/1) ... [2020-10-27 21:49:11,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10" (1/1) ... [2020-10-27 21:49:11,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:49:11,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:49:11,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:49:11,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:49:11,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10" (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 21:49:11,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:49:11,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:49:11,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:49:11,160 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:49:11,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:49:11,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:49:11,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:49:11,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:49:11,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:49:11,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:49:11,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:49:11,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:49:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:49:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:49:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:49:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:49:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:49:11,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:49:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:49:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:49:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:49:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:49:11,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:49:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 21:49:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-27 21:49:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-27 21:49:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:49:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:49:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2020-10-27 21:49:11,164 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-27 21:49:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:49:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 21:49:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:49:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:49:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:49:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:49:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:49:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:49:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:49:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:49:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:49:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:49:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:49:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:49:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:49:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:49:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:49:11,167 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:49:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:49:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:49:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:49:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-27 21:49:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:49:11,168 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2020-10-27 21:49:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:49:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:49:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:49:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:49:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:49:11,169 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:49:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:49:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:49:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:49:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 21:49:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:49:11,170 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:49:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:49:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:49:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:49:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:49:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:49:11,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:49:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:49:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:49:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:49:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:49:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:49:11,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:49:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:49:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:49:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:49:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:49:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:49:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:49:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:49:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:49:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:49:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:49:11,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:49:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:49:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:49:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:49:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:49:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:49:11,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:49:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:49:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:49:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:49:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:49:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:49:11,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:49:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:49:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:49:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:49:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:49:11,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:49:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:49:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:49:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:49:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:49:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:49:11,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:49:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:49:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:49:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:49:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:49:11,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:49:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:49:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:49:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:49:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:49:11,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:49:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:49:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:49:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:49:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:49:11,181 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:49:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:49:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:49:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:49:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:49:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:49:11,182 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:49:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:49:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:49:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:49:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:49:11,183 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:49:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:49:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:49:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:49:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:49:11,184 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:49:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:49:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:49:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:49:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:49:11,185 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:49:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:49:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:49:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:49:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:49:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:49:11,186 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:49:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:49:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:49:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:49:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:49:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 21:49:11,187 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:49:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:49:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:49:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:49:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:49:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-27 21:49:11,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-27 21:49:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:49:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:49:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:49:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:49:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:49:11,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:49:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:49:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:49:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:49:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:49:11,190 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:49:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:49:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:49:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:49:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2020-10-27 21:49:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-27 21:49:11,191 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 21:49:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:49:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:49:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:49:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:49:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:49:11,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:49:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:49:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:49:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:49:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:49:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:49:11,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:49:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:49:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:49:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:49:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:49:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:49:11,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:49:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:49:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:49:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:49:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:49:11,195 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:49:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:49:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:49:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:49:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:49:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:49:11,196 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:49:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:49:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:49:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:49:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 21:49:11,197 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:49:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:49:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:49:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:49:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-27 21:49:11,198 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:49:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2020-10-27 21:49:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:49:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:49:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:49:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:49:11,199 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:49:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:49:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:49:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:49:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:49:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:49:11,200 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:49:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:49:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:49:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:49:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:49:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:49:11,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:49:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:49:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:49:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:49:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:49:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:49:11,202 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:49:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:49:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:49:11,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:49:13,818 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:49:13,818 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:49:13,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:49:13 BoogieIcfgContainer [2020-10-27 21:49:13,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:49:13,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:49:13,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:49:13,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:49:13,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:49:09" (1/3) ... [2020-10-27 21:49:13,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f65772a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:49:13, skipping insertion in model container [2020-10-27 21:49:13,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:49:10" (2/3) ... [2020-10-27 21:49:13,829 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f65772a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:49:13, skipping insertion in model container [2020-10-27 21:49:13,829 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:49:13" (3/3) ... [2020-10-27 21:49:13,831 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product30.cil.c [2020-10-27 21:49:13,845 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:49:13,851 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:49:13,866 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:49:13,914 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:49:13,914 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:49:13,915 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:49:13,915 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:49:13,915 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:49:13,915 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:49:13,921 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:49:13,921 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:49:13,965 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states. [2020-10-27 21:49:13,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 21:49:13,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:49:13,998 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, 1, 1, 1, 1] [2020-10-27 21:49:13,999 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 21:49:14,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:49:14,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1906363304, now seen corresponding path program 1 times [2020-10-27 21:49:14,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:49:14,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [613278546] [2020-10-27 21:49:14,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:49:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:14,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:14,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:15,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:15,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:15,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:19,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:19,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 21:49:19,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:49:19,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-27 21:49:19,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:49:19,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:19,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:49:22,008 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:49:22,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:49:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:22,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:22,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:22,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:49:22,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-27 21:49:22,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:22,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:22,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:22,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:22,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:22,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:49:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:22,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:22,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:22,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:49:22,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:22,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:22,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:22,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:22,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:22,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:49:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:22,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:22,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:22,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:49:22,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:22,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:22,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:22,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:22,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:22,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:49:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:22,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:22,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:22,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:49:22,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:22,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:49:22,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:22,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:22,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:22,296 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-27 21:49:22,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:49:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:22,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:22,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:22,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:22,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:24,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:49:27,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:49:27,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:49:27,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:49:27,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:49:27,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:49:27,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 21:49:27,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:49:27,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:49:27,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:49:27,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:49:27,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:27,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:49:27,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:49:27,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:49:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:27,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:49:27,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:49:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:49:27,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:49:27,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:49:27,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:49:27,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:27,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:27,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:49:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:27,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:27,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:49:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:49:27,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:49:27,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 21:49:27,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:49:27,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:49:27,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:49:27,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:49:27,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:49:27,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:49:27,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 21:49:27,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:27,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:27,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:49:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:27,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:49:27,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:49:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:49:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:49:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:49:27,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:49:27,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:49:27,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:27,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:27,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:49:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:27,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:27,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:27,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:27,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:27,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:27,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:27,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:28,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:49:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:28,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:28,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:28,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:49:28,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:28,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:49:28,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:28,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:28,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:49:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:28,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:28,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:28,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:28,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:28,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:28,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:28,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:28,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:49:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:28,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:28,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:28,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:28,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:28,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:49:28,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:28,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:28,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:49:28,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:28,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:28,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:28,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:49:28,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:28,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:28,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:49:28,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:28,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:49:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:28,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:28,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:28,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:28,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:28,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:28,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:28,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:28,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:49:28,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:28,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:49:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:28,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:28,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:28,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:28,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:28,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:28,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:49:28,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:28,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:28,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:49:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:28,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:28,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:28,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:28,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:28,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:49:28,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:28,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:28,133 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:49:28,134 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [613278546] [2020-10-27 21:49:28,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:49:28,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 21:49:28,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008983853] [2020-10-27 21:49:28,143 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 21:49:28,144 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:49:28,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 21:49:28,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-27 21:49:28,159 INFO L87 Difference]: Start difference. First operand 552 states. Second operand 16 states. [2020-10-27 21:49:33,347 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:49:37,332 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 594 [2020-10-27 21:49:39,722 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:49:42,527 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 597 [2020-10-27 21:50:11,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:50:11,496 INFO L93 Difference]: Finished difference Result 1467 states and 2188 transitions. [2020-10-27 21:50:11,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 21:50:11,500 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2020-10-27 21:50:11,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:50:11,532 INFO L225 Difference]: With dead ends: 1467 [2020-10-27 21:50:11,532 INFO L226 Difference]: Without dead ends: 858 [2020-10-27 21:50:11,550 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1694 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=1042, Invalid=4070, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 21:50:11,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2020-10-27 21:50:12,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 512. [2020-10-27 21:50:12,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-27 21:50:12,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 679 transitions. [2020-10-27 21:50:12,065 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 679 transitions. Word has length 159 [2020-10-27 21:50:12,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:50:12,065 INFO L481 AbstractCegarLoop]: Abstraction has 512 states and 679 transitions. [2020-10-27 21:50:12,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 21:50:12,066 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 679 transitions. [2020-10-27 21:50:12,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 21:50:12,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:50:12,081 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, 1, 1, 1, 1] [2020-10-27 21:50:12,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:50:12,082 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 21:50:12,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:50:12,083 INFO L82 PathProgramCache]: Analyzing trace with hash -197603581, now seen corresponding path program 1 times [2020-10-27 21:50:12,083 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:50:12,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [931698041] [2020-10-27 21:50:12,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:50:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:12,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:12,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:12,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:12,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:12,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:13,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:14,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:17,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:17,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 21:50:17,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:50:17,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:50:17,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:17,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:50:17,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:50:17,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:50:17,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:19,509 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:50:19,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:50:19,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:19,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:19,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:19,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:50:19,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 21:50:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:19,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:50:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:19,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:19,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:19,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:50:19,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:19,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:50:19,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:19,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:19,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:19,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:19,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:19,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:50:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:19,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:19,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:19,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:50:19,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:19,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:50:19,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:19,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:19,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:19,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:19,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:19,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:50:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:19,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:19,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:19,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:50:19,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:19,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:19,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:19,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:19,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:19,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:19,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:19,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:50:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:19,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:19,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:19,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:19,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:21,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:21,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:21,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:50:24,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:50:24,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:50:24,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:50:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:50:24,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:50:24,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:24,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:50:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:24,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:50:24,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:24,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:50:24,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:24,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:24,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:24,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:24,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:24,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:24,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:24,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:24,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:24,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:24,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:24,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:24,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:50:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:24,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:24,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:24,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:24,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:24,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:50:24,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:50:24,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:24,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:50:24,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:24,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:24,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:24,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:50:24,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:24,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:24,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:24,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:24,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:24,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:24,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:24,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:24,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:24,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:24,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:24,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:50:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:24,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:24,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:24,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:24,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:24,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:24,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:24,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:50:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:50:24,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:50:24,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 21:50:24,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:50:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:50:24,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:50:24,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:50:24,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:24,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:24,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:24,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:50:24,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:24,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:50:24,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:50:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:24,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:50:24,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:50:25,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:25,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:50:25,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:50:25,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:25,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:50:25,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:50:25,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:50:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:50:25,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:50:25,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:50:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:50:25,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:50:25,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:50:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:50:25,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 21:50:25,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:50:25,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:25,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:25,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:25,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:50:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:25,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:25,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:25,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:50:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:50:25,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:50:25,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:50:25,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:25,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:25,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:25,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:50:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:25,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:25,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:50:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:50:25,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:25,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:50:25,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:50:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:25,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:25,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:25,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:50:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:25,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:25,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:25,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:50:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:25,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:25,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:25,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:25,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:25,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:25,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:25,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:25,578 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:50:25,579 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [931698041] [2020-10-27 21:50:25,579 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:50:25,579 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:50:25,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403141849] [2020-10-27 21:50:25,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:50:25,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:50:25,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:50:25,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:50:25,584 INFO L87 Difference]: Start difference. First operand 512 states and 679 transitions. Second operand 19 states. [2020-10-27 21:50:30,858 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:50:33,739 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 596 [2020-10-27 21:50:37,332 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:50:40,402 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:51:01,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:51:01,648 INFO L93 Difference]: Finished difference Result 1318 states and 1874 transitions. [2020-10-27 21:51:01,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 21:51:01,649 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 161 [2020-10-27 21:51:01,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:51:01,657 INFO L225 Difference]: With dead ends: 1318 [2020-10-27 21:51:01,657 INFO L226 Difference]: Without dead ends: 874 [2020-10-27 21:51:01,660 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=347, Invalid=1375, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:51:01,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2020-10-27 21:51:01,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 521. [2020-10-27 21:51:01,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2020-10-27 21:51:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 691 transitions. [2020-10-27 21:51:01,952 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 691 transitions. Word has length 161 [2020-10-27 21:51:01,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:51:01,953 INFO L481 AbstractCegarLoop]: Abstraction has 521 states and 691 transitions. [2020-10-27 21:51:01,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:51:01,953 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 691 transitions. [2020-10-27 21:51:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-27 21:51:01,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:51:01,958 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:51:01,958 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:51:01,959 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:51:01,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:51:01,959 INFO L82 PathProgramCache]: Analyzing trace with hash -2115340946, now seen corresponding path program 1 times [2020-10-27 21:51:01,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:51:01,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067072359] [2020-10-27 21:51:01,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:51:02,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:02,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:02,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:02,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:02,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:02,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:02,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:02,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:03,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:07,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:07,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 21:51:07,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 21:51:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5054 [2020-10-27 21:51:07,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:51:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:51:07,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:51:07,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:09,542 WARN L193 SmtUtils]: Spent 2.37 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:51:09,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:51:09,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:09,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:09,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:09,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:51:09,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:09,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 21:51:09,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:09,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:09,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:09,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:09,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:51:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:09,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:09,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:09,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:51:09,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:09,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:51:09,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:09,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:09,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:09,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:51:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:09,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:09,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:09,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:51:09,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:09,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:09,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:51:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:09,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:09,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:09,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:51:09,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:09,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:09,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:09,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:51:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:09,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:10,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:11,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:51:14,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:51:14,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 21:51:14,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:51:14,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:51:14,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:51:14,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:51:14,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:14,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:51:14,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:14,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:14,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:14,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:51:14,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:14,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:51:14,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:14,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:14,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:14,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:14,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:14,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:14,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:14,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:51:14,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:14,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:14,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:14,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:14,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:14,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:51:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:51:14,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:14,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:51:14,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:14,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:14,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:14,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:14,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:51:14,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:14,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:51:14,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:14,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:14,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:14,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:14,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:14,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:14,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:14,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:14,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:14,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:51:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:14,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:14,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:14,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:14,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:14,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:51:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:51:14,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:51:14,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-27 21:51:14,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:51:14,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:51:14,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:51:14,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:51:14,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:14,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:14,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:51:14,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:14,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:51:14,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:14,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:51:14,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:14,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:51:14,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:14,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:14,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:14,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:15,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:51:15,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:51:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:15,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:51:15,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:51:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:51:15,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:51:15,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 21:51:15,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:51:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:51:15,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:51:15,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 21:51:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:51:15,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:51:15,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:51:15,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:15,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:15,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:15,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:51:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:15,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:51:15,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:15,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:51:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:51:15,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:51:15,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:51:15,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:15,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:15,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:15,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 21:51:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:15,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:15,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:51:15,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 21:51:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:51:15,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:51:15,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:51:15,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 21:51:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:15,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:15,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:51:15,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 21:51:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:15,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:51:15,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:51:15,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 21:51:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:15,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:15,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:15,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:15,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:15,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:15,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:51:15,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:15,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:51:15,495 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067072359] [2020-10-27 21:51:15,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:51:15,495 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:51:15,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77130641] [2020-10-27 21:51:15,497 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:51:15,497 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:51:15,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:51:15,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:51:15,499 INFO L87 Difference]: Start difference. First operand 521 states and 691 transitions. Second operand 19 states. [2020-10-27 21:51:20,212 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:51:23,034 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:51:26,635 WARN L193 SmtUtils]: Spent 2.28 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:51:29,589 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:51:52,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:51:52,982 INFO L93 Difference]: Finished difference Result 1442 states and 2108 transitions. [2020-10-27 21:51:52,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 21:51:52,983 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 172 [2020-10-27 21:51:52,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:51:52,998 INFO L225 Difference]: With dead ends: 1442 [2020-10-27 21:51:52,998 INFO L226 Difference]: Without dead ends: 994 [2020-10-27 21:51:53,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=373, Invalid=1433, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 21:51:53,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2020-10-27 21:51:53,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 561. [2020-10-27 21:51:53,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-10-27 21:51:53,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 760 transitions. [2020-10-27 21:51:53,265 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 760 transitions. Word has length 172 [2020-10-27 21:51:53,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:51:53,265 INFO L481 AbstractCegarLoop]: Abstraction has 561 states and 760 transitions. [2020-10-27 21:51:53,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:51:53,266 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 760 transitions. [2020-10-27 21:51:53,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-27 21:51:53,272 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:51:53,273 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:51:53,273 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:51:53,276 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:51:53,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:51:53,277 INFO L82 PathProgramCache]: Analyzing trace with hash -202043521, now seen corresponding path program 1 times [2020-10-27 21:51:53,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:51:53,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808992857] [2020-10-27 21:51:53,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:51:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:53,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:53,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:53,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:53,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:53,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:53,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:55,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:58,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:58,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-27 21:51:58,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:51:58,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-10-27 21:51:58,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:51:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:51:58,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:51:58,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:00,675 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:52:00,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:52:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:00,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:00,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:00,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:52:00,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-27 21:52:00,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:00,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:00,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:00,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:52:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:00,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:00,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:00,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:52:00,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:00,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:52:00,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:00,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:00,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:52:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:00,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:00,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:00,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:52:00,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:52:00,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:00,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:00,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:00,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:52:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:00,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:00,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:00,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:52:00,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:00,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:52:00,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:00,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:52:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:00,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:00,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:00,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:00,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:01,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:01,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:52:05,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:52:05,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 21:52:05,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:52:05,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:52:05,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:52:05,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:05,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:52:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:05,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:52:05,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:52:05,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:05,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:05,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:05,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:05,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:52:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:05,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:52:05,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:05,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:05,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:05,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:05,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:05,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:52:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:05,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:05,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:05,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:05,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:05,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:05,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:52:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:05,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:05,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:05,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:05,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:05,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:05,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:05,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:52:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:05,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:52:05,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:05,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:52:05,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:05,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:05,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:05,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:52:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:05,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:52:05,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:05,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:52:05,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:05,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:05,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:52:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:05,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:05,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:05,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:05,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:05,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:05,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:05,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:05,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:52:05,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:05,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:05,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:05,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:05,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:05,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:05,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:05,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:52:05,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:05,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:05,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:05,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:52:05,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:05,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 21:52:05,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:05,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:52:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:52:05,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:52:05,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:52:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:52:06,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:52:06,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:52:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:06,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:52:06,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:52:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:06,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:52:06,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:52:06,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:52:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:52:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:52:06,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:52:06,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:52:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:52:06,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:52:06,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-27 21:52:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:52:06,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:52:06,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:52:06,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:52:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:06,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:52:06,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:06,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:52:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:06,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:06,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:06,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 21:52:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:52:06,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:52:06,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:52:06,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:52:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:06,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:52:06,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:52:06,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 21:52:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:06,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:06,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:52:06,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 21:52:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:52:06,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:06,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:52:06,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 21:52:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:06,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:06,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:52:06,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-27 21:52:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:06,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:06,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:52:06,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-27 21:52:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:52:06,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:52:06,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:52:06,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:52:06,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:52:06,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:52:06,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:52:06,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:52:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:52:06,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:52:06,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:52:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:52:06,530 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808992857] [2020-10-27 21:52:06,530 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:52:06,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:52:06,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363241318] [2020-10-27 21:52:06,533 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:52:06,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:52:06,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:52:06,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:52:06,534 INFO L87 Difference]: Start difference. First operand 561 states and 760 transitions. Second operand 19 states. [2020-10-27 21:52:11,828 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:52:14,753 WARN L193 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 598 [2020-10-27 21:52:17,288 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 600 [2020-10-27 21:52:21,223 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 595 [2020-10-27 21:52:25,616 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 595