/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=LOWLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 21:14:08,782 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 21:14:08,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 21:14:08,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 21:14:08,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 21:14:08,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 21:14:08,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 21:14:08,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 21:14:08,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 21:14:08,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 21:14:08,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 21:14:08,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 21:14:08,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 21:14:08,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 21:14:08,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 21:14:08,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 21:14:08,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 21:14:08,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 21:14:08,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 21:14:08,875 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 21:14:08,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 21:14:08,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 21:14:08,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 21:14:08,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 21:14:08,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 21:14:08,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 21:14:08,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 21:14:08,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 21:14:08,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 21:14:08,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 21:14:08,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 21:14:08,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 21:14:08,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 21:14:08,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 21:14:08,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 21:14:08,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 21:14:08,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 21:14:08,915 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 21:14:08,915 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 21:14:08,916 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 21:14:08,917 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 21:14:08,918 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 [2020-09-24 21:14:08,967 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 21:14:08,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 21:14:08,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 21:14:08,970 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 21:14:08,970 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 21:14:08,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 21:14:08,970 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 21:14:08,971 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 21:14:08,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 21:14:08,971 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 21:14:08,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 21:14:08,972 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 21:14:08,972 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 21:14:08,973 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 21:14:08,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 21:14:08,973 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 21:14:08,973 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 21:14:08,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 21:14:08,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 21:14:08,974 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 21:14:08,974 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 21:14:08,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:14:08,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 21:14:08,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 21:14:08,975 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 21:14:08,975 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 21:14:08,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 21:14:08,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 21:14:08,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 21:14:08,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=LOWLEXORDER;log-additional-information=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=LOWLEXORDER;log-additional-information=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=LOWLEXORDER;log-additional-information=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=LOWLEXORDER;log-additional-information=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=LOWLEXORDER;log-additional-information=true; [2020-09-24 21:14:09,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 21:14:09,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 21:14:09,974 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 21:14:09,975 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 21:14:09,976 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 21:14:09,977 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-24 21:14:10,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de578af28/a259fba0327944abb0214c20e2176c98/FLAG2bd1c05ea [2020-09-24 21:14:10,828 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 21:14:10,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-24 21:14:10,850 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de578af28/a259fba0327944abb0214c20e2176c98/FLAG2bd1c05ea [2020-09-24 21:14:10,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/de578af28/a259fba0327944abb0214c20e2176c98 [2020-09-24 21:14:10,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 21:14:10,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 21:14:10,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 21:14:10,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 21:14:10,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 21:14:10,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:14:10" (1/1) ... [2020-09-24 21:14:10,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:10, skipping insertion in model container [2020-09-24 21:14:10,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 09:14:10" (1/1) ... [2020-09-24 21:14:10,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 21:14:11,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 21:14:11,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:14:11,819 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 21:14:11,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 21:14:12,026 INFO L208 MainTranslator]: Completed translation [2020-09-24 21:14:12,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12 WrapperNode [2020-09-24 21:14:12,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 21:14:12,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 21:14:12,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 21:14:12,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 21:14:12,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12" (1/1) ... [2020-09-24 21:14:12,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12" (1/1) ... [2020-09-24 21:14:12,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12" (1/1) ... [2020-09-24 21:14:12,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12" (1/1) ... [2020-09-24 21:14:12,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12" (1/1) ... [2020-09-24 21:14:12,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12" (1/1) ... [2020-09-24 21:14:12,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12" (1/1) ... [2020-09-24 21:14:12,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 21:14:12,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 21:14:12,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 21:14:12,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 21:14:12,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 21:14:12,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 21:14:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 21:14:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 21:14:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-09-24 21:14:12,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-09-24 21:14:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-09-24 21:14:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-09-24 21:14:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-09-24 21:14:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 21:14:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 21:14:12,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-09-24 21:14:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 21:14:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 21:14:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 21:14:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 21:14:12,326 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 21:14:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-09-24 21:14:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-09-24 21:14:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-09-24 21:14:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-09-24 21:14:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-09-24 21:14:12,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-09-24 21:14:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-09-24 21:14:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-09-24 21:14:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-09-24 21:14:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-09-24 21:14:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-09-24 21:14:12,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-09-24 21:14:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-09-24 21:14:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-09-24 21:14:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-09-24 21:14:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-09-24 21:14:12,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-09-24 21:14:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-09-24 21:14:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-09-24 21:14:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-09-24 21:14:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-09-24 21:14:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-09-24 21:14:12,330 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-09-24 21:14:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-09-24 21:14:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-09-24 21:14:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-09-24 21:14:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-09-24 21:14:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-09-24 21:14:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-09-24 21:14:12,331 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-09-24 21:14:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-09-24 21:14:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-09-24 21:14:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-09-24 21:14:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-24 21:14:12,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 21:14:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-09-24 21:14:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 21:14:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 21:14:12,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 21:14:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 21:14:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 21:14:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 21:14:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-09-24 21:14:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-09-24 21:14:12,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-09-24 21:14:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-09-24 21:14:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-09-24 21:14:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-09-24 21:14:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-09-24 21:14:12,335 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-09-24 21:14:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-09-24 21:14:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-09-24 21:14:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-09-24 21:14:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-09-24 21:14:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-09-24 21:14:12,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-09-24 21:14:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-09-24 21:14:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-09-24 21:14:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-09-24 21:14:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-09-24 21:14:12,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-09-24 21:14:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-09-24 21:14:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-09-24 21:14:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-09-24 21:14:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-09-24 21:14:12,338 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-09-24 21:14:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-09-24 21:14:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-09-24 21:14:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-09-24 21:14:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-09-24 21:14:12,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-09-24 21:14:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-09-24 21:14:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-09-24 21:14:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-09-24 21:14:12,340 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-09-24 21:14:12,340 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 21:14:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 21:14:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 21:14:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-24 21:14:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-09-24 21:14:12,341 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-09-24 21:14:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 21:14:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 21:14:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 21:14:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-09-24 21:14:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-09-24 21:14:12,342 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-09-24 21:14:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-09-24 21:14:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-09-24 21:14:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-09-24 21:14:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-09-24 21:14:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-09-24 21:14:12,343 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-09-24 21:14:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-09-24 21:14:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 21:14:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 21:14:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 21:14:12,344 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-09-24 21:14:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 21:14:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 21:14:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-09-24 21:14:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-09-24 21:14:12,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-09-24 21:14:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-09-24 21:14:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-09-24 21:14:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-09-24 21:14:12,346 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-09-24 21:14:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-09-24 21:14:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-09-24 21:14:12,347 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-09-24 21:14:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-09-24 21:14:12,348 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-09-24 21:14:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-09-24 21:14:12,352 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-09-24 21:14:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-09-24 21:14:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-09-24 21:14:12,353 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-09-24 21:14:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-09-24 21:14:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-09-24 21:14:12,354 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-09-24 21:14:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-09-24 21:14:12,355 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-09-24 21:14:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-09-24 21:14:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-09-24 21:14:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-09-24 21:14:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-09-24 21:14:12,356 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-09-24 21:14:12,363 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-09-24 21:14:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-09-24 21:14:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-09-24 21:14:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-09-24 21:14:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-09-24 21:14:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-24 21:14:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 21:14:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-09-24 21:14:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-09-24 21:14:12,366 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 21:14:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 21:14:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 21:14:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 21:14:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 21:14:12,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 21:14:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 21:14:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 21:14:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 21:14:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 21:14:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 21:14:12,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 21:14:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 21:14:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 21:14:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 21:14:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 21:14:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-09-24 21:14:12,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-09-24 21:14:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-09-24 21:14:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-09-24 21:14:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-09-24 21:14:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-09-24 21:14:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-09-24 21:14:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-09-24 21:14:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-09-24 21:14:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-09-24 21:14:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-09-24 21:14:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-09-24 21:14:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-09-24 21:14:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-09-24 21:14:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-09-24 21:14:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-09-24 21:14:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-09-24 21:14:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-09-24 21:14:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-09-24 21:14:12,372 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-09-24 21:14:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-09-24 21:14:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-09-24 21:14:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-09-24 21:14:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-09-24 21:14:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-09-24 21:14:12,373 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-09-24 21:14:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 21:14:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 21:14:12,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 21:14:14,664 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 21:14:14,664 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 21:14:14,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:14:14 BoogieIcfgContainer [2020-09-24 21:14:14,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 21:14:14,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 21:14:14,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 21:14:14,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 21:14:14,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 09:14:10" (1/3) ... [2020-09-24 21:14:14,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb15fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:14:14, skipping insertion in model container [2020-09-24 21:14:14,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 09:14:12" (2/3) ... [2020-09-24 21:14:14,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb15fe0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 09:14:14, skipping insertion in model container [2020-09-24 21:14:14,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 09:14:14" (3/3) ... [2020-09-24 21:14:14,684 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-09-24 21:14:14,696 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 21:14:14,708 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 21:14:14,731 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 21:14:14,765 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 21:14:14,765 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 21:14:14,765 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 21:14:14,765 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 21:14:14,765 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 21:14:14,765 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 21:14:14,766 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 21:14:14,766 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 21:14:14,802 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states. [2020-09-24 21:14:14,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-09-24 21:14:14,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:14:14,835 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:14:14,835 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:14:14,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:14:14,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1063984080, now seen corresponding path program 1 times [2020-09-24 21:14:14,855 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:14:14,855 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786595720] [2020-09-24 21:14:14,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:14:15,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:15,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:15,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:16,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:18,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:20,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:20,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 447 [2020-09-24 21:14:20,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 21:14:20,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-09-24 21:14:20,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:20,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:14:20,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-09-24 21:14:20,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 21:14:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 21:14:22,231 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 21:14:22,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:14:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:22,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:22,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:22,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 21:14:22,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:22,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-09-24 21:14:22,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:22,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:22,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:22,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 21:14:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:22,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:22,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:22,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:22,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:22,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 21:14:22,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:22,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:22,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:22,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:22,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 21:14:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:22,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:22,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:22,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:22,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:22,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:14:22,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:22,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:22,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:22,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:22,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:22,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 21:14:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:22,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:22,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:22,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:14:22,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:22,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 21:14:22,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:22,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:22,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:22,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 21:14:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:22,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:22,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 21:14:23,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:14:23,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 854 [2020-09-24 21:14:23,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:14:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 21:14:23,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 21:14:23,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:14:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:14:23,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 21:14:23,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:23,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:14:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:23,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:23,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:23,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:23,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 21:14:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:14:23,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-09-24 21:14:23,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:14:23,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 21:14:23,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 21:14:23,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:23,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:14:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:23,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-24 21:14:23,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:14:23,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:23,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:14:23,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:23,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-24 21:14:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:14:23,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:14:23,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 21:14:23,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:23,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:14:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:23,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:23,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:23,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:23,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-24 21:14:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 21:14:23,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-24 21:14:23,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 21:14:23,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:23,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 21:14:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:23,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 21:14:23,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:23,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 21:14:23,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 21:14:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:23,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:23,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:23,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:23,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-24 21:14:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:14:23,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-09-24 21:14:23,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 21:14:23,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:23,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-24 21:14:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:23,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:23,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:14:23,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:23,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-24 21:14:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:14:23,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:23,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 21:14:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:23,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-24 21:14:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 21:14:23,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:14:23,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 21:14:23,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:23,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:23,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:14:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:23,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:23,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:23,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:14:23,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:23,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:14:23,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:23,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:23,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:23,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:24,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:24,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-24 21:14:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:24,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:24,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:24,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:14:24,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:24,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:24,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:24,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:24,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 21:14:24,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:24,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:24,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2020-09-24 21:14:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:24,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:24,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:24,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:24,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:24,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:24,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:14:24,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:24,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-24 21:14:24,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786595720] [2020-09-24 21:14:24,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:14:24,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-24 21:14:24,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614177179] [2020-09-24 21:14:24,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-24 21:14:24,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:14:24,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-24 21:14:24,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-09-24 21:14:24,405 INFO L87 Difference]: Start difference. First operand 578 states. Second operand 13 states. [2020-09-24 21:14:27,093 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-24 21:14:28,592 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-24 21:14:30,556 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 501 [2020-09-24 21:14:32,130 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-24 21:14:33,650 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-24 21:14:35,165 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-24 21:14:43,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 21:14:43,855 INFO L93 Difference]: Finished difference Result 1207 states and 1438 transitions. [2020-09-24 21:14:43,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-09-24 21:14:43,857 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 382 [2020-09-24 21:14:43,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 21:14:43,883 INFO L225 Difference]: With dead ends: 1207 [2020-09-24 21:14:43,884 INFO L226 Difference]: Without dead ends: 774 [2020-09-24 21:14:43,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 338 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=352, Invalid=1130, Unknown=0, NotChecked=0, Total=1482 [2020-09-24 21:14:43,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2020-09-24 21:14:44,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 558. [2020-09-24 21:14:44,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2020-09-24 21:14:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 608 transitions. [2020-09-24 21:14:44,102 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 608 transitions. Word has length 382 [2020-09-24 21:14:44,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 21:14:44,104 INFO L479 AbstractCegarLoop]: Abstraction has 558 states and 608 transitions. [2020-09-24 21:14:44,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-24 21:14:44,104 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 608 transitions. [2020-09-24 21:14:44,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2020-09-24 21:14:44,115 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 21:14:44,116 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 21:14:44,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 21:14:44,116 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 21:14:44,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 21:14:44,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1553725587, now seen corresponding path program 1 times [2020-09-24 21:14:44,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 21:14:44,117 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582925654] [2020-09-24 21:14:44,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 21:14:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:44,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:44,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:45,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:47,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:48,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:49,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:49,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 449 [2020-09-24 21:14:49,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-09-24 21:14:49,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5069 [2020-09-24 21:14:49,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:49,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 21:14:49,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-09-24 21:14:49,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 208 [2020-09-24 21:14:49,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:51,037 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 21:14:51,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 21:14:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:51,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:51,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:51,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 21:14:51,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:51,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-09-24 21:14:51,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:51,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:51,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:51,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 21:14:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:51,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:51,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:51,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:51,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:51,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:14:51,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:51,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:51,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:51,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 21:14:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:51,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:51,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:51,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 21:14:51,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:51,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 21:14:51,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:51,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:51,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:51,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 21:14:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:51,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:51,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:51,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 21:14:51,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:51,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 21:14:51,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:51,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:51,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:51,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:51,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 21:14:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:51,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:51,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:51,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 66 [2020-09-24 21:14:52,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 21:14:52,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 893 [2020-09-24 21:14:52,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-09-24 21:14:52,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:52,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 21:14:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:14:52,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:14:52,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:52,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:52,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:14:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:52,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:14:52,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:52,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:52,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 21:14:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 21:14:52,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 21:14:52,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-09-24 21:14:52,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 21:14:52,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 21:14:52,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:52,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:14:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:14:52,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-09-24 21:14:52,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:14:52,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-24 21:14:52,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:52,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-09-24 21:14:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 21:14:52,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 21:14:52,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:52,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 21:14:52,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:52,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 21:14:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:52,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:52,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:52,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:52,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:52,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-09-24 21:14:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 21:14:52,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-09-24 21:14:52,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 21:14:52,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 21:14:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:52,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 21:14:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:52,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 21:14:52,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:52,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:14:52,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 21:14:52,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 21:14:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:52,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 21:14:52,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:14:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:14:52,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:52,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-24 21:14:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:14:52,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 21:14:52,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:52,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:14:52,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:52,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-09-24 21:14:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:52,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 21:14:52,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 21:14:52,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:52,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-24 21:14:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:52,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:52,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:52,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:14:52,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:52,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-24 21:14:52,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:52,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 21:14:52,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:52,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:14:53,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:53,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-24 21:14:53,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:53,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:53,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:53,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 21:14:53,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:53,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 21:14:53,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 21:14:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:53,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 21:14:53,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:53,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 21:14:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:53,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:53,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:53,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:14:53,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:53,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 21:14:53,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 21:14:53,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:53,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:53,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-09-24 21:14:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:53,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:53,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:53,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 21:14:53,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:53,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:53,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 21:14:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 21:14:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 21:14:53,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-09-24 21:14:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 21:14:53,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 21:14:53,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 21:14:53,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 21:14:53,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 21:14:53,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 21:14:53,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: LOWLEXORDER [2020-09-24 21:14:53,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 21:14:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 21:14:53,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 21:14:53,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 21:14:53,471 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-09-24 21:14:53,472 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582925654] [2020-09-24 21:14:53,472 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 21:14:53,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-09-24 21:14:53,473 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718636474] [2020-09-24 21:14:53,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-09-24 21:14:53,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 21:14:53,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-09-24 21:14:53,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=695, Unknown=0, NotChecked=0, Total=756 [2020-09-24 21:14:53,477 INFO L87 Difference]: Start difference. First operand 558 states and 608 transitions. Second operand 28 states. [2020-09-24 21:14:56,186 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-24 21:14:57,917 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 505 [2020-09-24 21:15:00,065 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-24 21:15:01,685 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 506 [2020-09-24 21:15:03,358 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-24 21:15:04,993 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 506