/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=BIGGEST --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 20:05:49,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:05:49,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:05:49,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:05:49,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:05:49,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:05:49,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:05:49,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:05:49,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:05:49,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:05:49,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:05:49,951 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:05:49,951 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:05:49,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:05:49,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:05:49,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:05:49,956 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:05:49,957 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:05:49,959 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:05:49,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:05:49,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:05:49,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:05:49,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:05:49,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:05:49,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:05:49,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:05:49,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:05:49,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:05:49,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:05:49,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:05:49,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:05:49,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:05:49,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:05:49,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:05:49,977 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:05:49,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:05:49,978 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:05:49,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:05:49,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:05:49,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:05:49,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:05:49,982 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 20:05:50,017 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:05:50,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:05:50,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:05:50,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:05:50,020 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:05:50,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:05:50,021 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:05:50,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:05:50,021 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:05:50,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:05:50,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:05:50,022 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:05:50,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:05:50,022 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:05:50,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:05:50,022 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:05:50,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:05:50,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:05:50,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:05:50,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:05:50,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:05:50,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:05:50,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:05:50,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:05:50,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:05:50,026 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:05:50,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:05:50,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:05:50,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:05:50,027 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true; [2020-09-24 20:05:51,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:05:51,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:05:51,253 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:05:51,256 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:05:51,256 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:05:51,262 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-24 20:05:51,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7fe1525f4/28f2530fd9ab4ba39c30b94992fdc201/FLAG6e72f8744 [2020-09-24 20:05:52,018 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:05:52,019 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-24 20:05:52,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7fe1525f4/28f2530fd9ab4ba39c30b94992fdc201/FLAG6e72f8744 [2020-09-24 20:05:52,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7fe1525f4/28f2530fd9ab4ba39c30b94992fdc201 [2020-09-24 20:05:52,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:05:52,261 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:05:52,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:05:52,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:05:52,267 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:05:52,268 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:05:52" (1/1) ... [2020-09-24 20:05:52,273 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:52, skipping insertion in model container [2020-09-24 20:05:52,273 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:05:52" (1/1) ... [2020-09-24 20:05:52,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:05:52,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:05:53,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:05:53,133 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:05:53,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:05:53,325 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:05:53,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53 WrapperNode [2020-09-24 20:05:53,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:05:53,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:05:53,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:05:53,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:05:53,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53" (1/1) ... [2020-09-24 20:05:53,350 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53" (1/1) ... [2020-09-24 20:05:53,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53" (1/1) ... [2020-09-24 20:05:53,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53" (1/1) ... [2020-09-24 20:05:53,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53" (1/1) ... [2020-09-24 20:05:53,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53" (1/1) ... [2020-09-24 20:05:53,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53" (1/1) ... [2020-09-24 20:05:53,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:05:53,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:05:53,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:05:53,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:05:53,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53" (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 20:05:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:05:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:05:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:05:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-09-24 20:05:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-09-24 20:05:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-09-24 20:05:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-09-24 20:05:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-09-24 20:05:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:05:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:05:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-09-24 20:05:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:05:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:05:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:05:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:05:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:05:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-09-24 20:05:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-09-24 20:05:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-09-24 20:05:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-09-24 20:05:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-09-24 20:05:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-09-24 20:05:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-09-24 20:05:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-09-24 20:05:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-09-24 20:05:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-09-24 20:05:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-09-24 20:05:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-09-24 20:05:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-09-24 20:05:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-09-24 20:05:53,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-09-24 20:05:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-09-24 20:05:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-09-24 20:05:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-09-24 20:05:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-09-24 20:05:53,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-09-24 20:05:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-09-24 20:05:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-09-24 20:05:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-09-24 20:05:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-09-24 20:05:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-09-24 20:05:53,625 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-09-24 20:05:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-09-24 20:05:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-09-24 20:05:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-09-24 20:05:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-09-24 20:05:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-09-24 20:05:53,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-09-24 20:05:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-09-24 20:05:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-24 20:05:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:05:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-09-24 20:05:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:05:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:05:53,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:05:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:05:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:05:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:05:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-09-24 20:05:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-09-24 20:05:53,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-09-24 20:05:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-09-24 20:05:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-09-24 20:05:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-09-24 20:05:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-09-24 20:05:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-09-24 20:05:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-09-24 20:05:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-09-24 20:05:53,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-09-24 20:05:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-09-24 20:05:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-09-24 20:05:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-09-24 20:05:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-09-24 20:05:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-09-24 20:05:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-09-24 20:05:53,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-09-24 20:05:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-09-24 20:05:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-09-24 20:05:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-09-24 20:05:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-09-24 20:05:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-09-24 20:05:53,631 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-09-24 20:05:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-09-24 20:05:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-09-24 20:05:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-09-24 20:05:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-09-24 20:05:53,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-09-24 20:05:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-09-24 20:05:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-09-24 20:05:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-09-24 20:05:53,633 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-09-24 20:05:53,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:05:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:05:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:05:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-24 20:05:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-09-24 20:05:53,634 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-09-24 20:05:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:05:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:05:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:05:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-09-24 20:05:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-09-24 20:05:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-09-24 20:05:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-09-24 20:05:53,635 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-09-24 20:05:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-09-24 20:05:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-09-24 20:05:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-09-24 20:05:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-09-24 20:05:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-09-24 20:05:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:05:53,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:05:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:05:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-09-24 20:05:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:05:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:05:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-09-24 20:05:53,637 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-09-24 20:05:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-09-24 20:05:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-09-24 20:05:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-09-24 20:05:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-09-24 20:05:53,638 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-09-24 20:05:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-09-24 20:05:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-09-24 20:05:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-09-24 20:05:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-09-24 20:05:53,639 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-09-24 20:05:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-09-24 20:05:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-09-24 20:05:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-09-24 20:05:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-09-24 20:05:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-09-24 20:05:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-09-24 20:05:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-09-24 20:05:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-09-24 20:05:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-09-24 20:05:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-09-24 20:05:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-09-24 20:05:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-09-24 20:05:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-09-24 20:05:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-09-24 20:05:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-09-24 20:05:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-09-24 20:05:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-09-24 20:05:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-09-24 20:05:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-09-24 20:05:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-09-24 20:05:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-24 20:05:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:05:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-09-24 20:05:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-09-24 20:05:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:05:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:05:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:05:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:05:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:05:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:05:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:05:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:05:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:05:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:05:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:05:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:05:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:05:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:05:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:05:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:05:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-09-24 20:05:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-09-24 20:05:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-09-24 20:05:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-09-24 20:05:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-09-24 20:05:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-09-24 20:05:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-09-24 20:05:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-09-24 20:05:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-09-24 20:05:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-09-24 20:05:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-09-24 20:05:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-09-24 20:05:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-09-24 20:05:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-09-24 20:05:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-09-24 20:05:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-09-24 20:05:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-09-24 20:05:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-09-24 20:05:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-09-24 20:05:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-09-24 20:05:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-09-24 20:05:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-09-24 20:05:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-09-24 20:05:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-09-24 20:05:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-09-24 20:05:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-09-24 20:05:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:05:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:05:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:05:55,929 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:05:55,929 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 20:05:55,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:05:55 BoogieIcfgContainer [2020-09-24 20:05:55,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:05:55,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:05:55,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:05:55,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:05:55,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:05:52" (1/3) ... [2020-09-24 20:05:55,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356e69a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:05:55, skipping insertion in model container [2020-09-24 20:05:55,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:05:53" (2/3) ... [2020-09-24 20:05:55,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@356e69a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:05:55, skipping insertion in model container [2020-09-24 20:05:55,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:05:55" (3/3) ... [2020-09-24 20:05:55,957 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-09-24 20:05:55,969 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:05:55,981 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:05:56,005 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:05:56,045 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:05:56,045 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:05:56,045 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:05:56,045 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:05:56,045 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:05:56,045 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:05:56,046 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:05:56,046 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:05:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states. [2020-09-24 20:05:56,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-09-24 20:05:56,112 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:05:56,114 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 20:05:56,115 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:05:56,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:05:56,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1063984080, now seen corresponding path program 1 times [2020-09-24 20:05:56,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:05:56,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1712655776] [2020-09-24 20:05:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:05:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:05:56,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:05:57,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:05:57,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:05:59,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:01,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:01,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 447 [2020-09-24 20:06:01,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:06:01,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-09-24 20:06:01,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:01,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-09-24 20:06:01,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 196 [2020-09-24 20:06:01,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 206 [2020-09-24 20:06:01,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 20:06:03,648 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 20:06:03,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:06:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:03,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:03,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:03,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 20:06:03,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:03,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-09-24 20:06:03,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:03,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:03,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:03,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:03,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:06:03,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 20:06:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:03,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:03,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:03,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:06:03,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:03,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:06:03,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:03,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:03,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 20:06:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:03,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:03,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:06:03,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:03,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:06:03,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:03,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:03,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:03,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 20:06:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:03,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:03,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:03,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:06:03,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:03,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:06:03,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:03,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:03,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:04,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 20:06:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:04,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:04,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:04,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 20:06:05,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:06:05,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1294 [2020-09-24 20:06:05,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:06:05,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-09-24 20:06:05,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-24 20:06:05,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:05,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 20:06:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:05,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 20:06:05,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:05,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:06:05,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:05,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:05,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:05,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:06:05,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:06:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:05,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:06:05,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:05,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:06:05,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:05,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:05,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:05,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:06:05,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 20:06:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:05,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 20:06:05,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 20:06:05,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-24 20:06:05,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 20:06:05,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-09-24 20:06:05,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:06:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:06:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:05,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:06:05,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:05,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 20:06:05,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:06:05,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:06:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:06:05,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-24 20:06:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:05,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 20:06:05,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:06:05,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-09-24 20:06:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:06:05,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:06:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:05,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:06:05,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:06:05,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:05,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:05,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:05,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-24 20:06:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:05,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 20:06:05,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:05,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 84 [2020-09-24 20:06:05,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-09-24 20:06:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-09-24 20:06:05,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:05,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 20:06:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:05,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:06:05,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:05,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:06:05,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:06:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:05,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:06:05,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:06:05,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 20:06:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:05,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:05,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:05,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:06:05,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:05,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 20:06:05,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:05,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:06:05,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:05,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:06:05,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:06,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-24 20:06:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:06,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:06,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:06,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:06:06,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:06,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:06:06,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:06,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:06:06,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:06,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:06:06,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:06,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-24 20:06:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:06,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:06,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:06,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:06:06,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:06,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 20:06:06,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:06,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:06:06,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:06,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-24 20:06:06,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:06,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-24 20:06:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:06,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:06,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:06,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:06:06,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:06,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 20:06:06,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:06:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:06,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:06:06,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:06,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-24 20:06:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:06,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:06,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:06,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 20:06:06,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:06,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:06:06,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:06,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:06:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:06,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-09-24 20:06:06,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:06,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 20:06:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:06,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:06,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:06,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:06:06,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:06,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:06:06,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:06,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:06,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:06:06,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:06,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:06,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-24 20:06:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:06,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:06,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:06,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 20:06:06,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:06,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:06:06,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:06,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 20:06:06,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-24 20:06:06,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:06:06,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:06:06,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2020-09-24 20:06:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:06:06,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:06:06,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:06:06,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 20:06:06,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:06:06,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:06:06,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:06:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:06:06,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 20:06:06,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:06:06,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:06:06,990 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 20:06:06,991 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1712655776] [2020-09-24 20:06:06,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-24 20:06:06,995 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-09-24 20:06:06,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559951490] [2020-09-24 20:06:07,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-09-24 20:06:07,006 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:06:07,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-09-24 20:06:07,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=748, Unknown=0, NotChecked=0, Total=812 [2020-09-24 20:06:07,039 INFO L87 Difference]: Start difference. First operand 578 states. Second operand 29 states. [2020-09-24 20:06:09,472 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-24 20:06:11,940 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 508 [2020-09-24 20:06:13,623 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 510 [2020-09-24 20:06:15,960 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 504 [2020-09-24 20:06:17,627 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-24 20:06:19,308 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 508 [2020-09-24 20:06:21,036 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 510 [2020-09-24 20:06:25,277 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-24 20:06:27,304 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 510 [2020-09-24 20:06:29,849 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-24 20:06:32,619 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-24 20:06:38,422 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 507 DAG size of output: 506 [2020-09-24 20:06:41,643 WARN L193 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 510 DAG size of output: 508 [2020-09-24 20:06:43,389 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-24 20:06:45,014 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 510 [2020-09-24 20:06:46,615 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-24 20:06:48,240 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 507 [2020-09-24 20:06:49,835 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 510