/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 02:43:07,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 02:43:07,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 02:43:07,352 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 02:43:07,353 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 02:43:07,354 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 02:43:07,356 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 02:43:07,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 02:43:07,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 02:43:07,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 02:43:07,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 02:43:07,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 02:43:07,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 02:43:07,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 02:43:07,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 02:43:07,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 02:43:07,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 02:43:07,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 02:43:07,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 02:43:07,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 02:43:07,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 02:43:07,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 02:43:07,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 02:43:07,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 02:43:07,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 02:43:07,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 02:43:07,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 02:43:07,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 02:43:07,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 02:43:07,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 02:43:07,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 02:43:07,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 02:43:07,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 02:43:07,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 02:43:07,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 02:43:07,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 02:43:07,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 02:43:07,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 02:43:07,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 02:43:07,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 02:43:07,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 02:43:07,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 02:43:07,435 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 02:43:07,435 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 02:43:07,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 02:43:07,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 02:43:07,438 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 02:43:07,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 02:43:07,438 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 02:43:07,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 02:43:07,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 02:43:07,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 02:43:07,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 02:43:07,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 02:43:07,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 02:43:07,440 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 02:43:07,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 02:43:07,441 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 02:43:07,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 02:43:07,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 02:43:07,442 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 02:43:07,442 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 02:43:07,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 02:43:07,443 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:43:07,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 02:43:07,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 02:43:07,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 02:43:07,444 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 02:43:07,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 02:43:07,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 02:43:07,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 02:43:07,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 02:43:07,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 02:43:07,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 02:43:07,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 02:43:07,836 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 02:43:07,842 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 02:43:07,845 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2020-10-27 02:43:07,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b885be39/203dcfedab7b44bda00bfbd25edd1337/FLAGed380311b [2020-10-27 02:43:08,728 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 02:43:08,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2020-10-27 02:43:08,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b885be39/203dcfedab7b44bda00bfbd25edd1337/FLAGed380311b [2020-10-27 02:43:08,887 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8b885be39/203dcfedab7b44bda00bfbd25edd1337 [2020-10-27 02:43:08,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 02:43:08,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 02:43:08,899 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 02:43:08,899 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 02:43:08,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 02:43:08,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:43:08" (1/1) ... [2020-10-27 02:43:08,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68be78a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:08, skipping insertion in model container [2020-10-27 02:43:08,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 02:43:08" (1/1) ... [2020-10-27 02:43:08,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 02:43:08,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 02:43:09,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:43:09,601 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 02:43:09,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 02:43:09,954 INFO L208 MainTranslator]: Completed translation [2020-10-27 02:43:09,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09 WrapperNode [2020-10-27 02:43:09,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 02:43:09,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 02:43:09,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 02:43:09,956 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 02:43:09,969 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09" (1/1) ... [2020-10-27 02:43:09,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09" (1/1) ... [2020-10-27 02:43:10,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09" (1/1) ... [2020-10-27 02:43:10,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09" (1/1) ... [2020-10-27 02:43:10,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09" (1/1) ... [2020-10-27 02:43:10,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09" (1/1) ... [2020-10-27 02:43:10,096 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09" (1/1) ... [2020-10-27 02:43:10,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 02:43:10,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 02:43:10,116 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 02:43:10,116 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 02:43:10,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 02:43:10,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 02:43:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 02:43:10,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 02:43:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 02:43:10,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 02:43:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 02:43:10,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 02:43:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 02:43:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 02:43:10,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 02:43:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 02:43:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 02:43:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 02:43:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 02:43:10,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 02:43:10,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 02:43:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 02:43:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 02:43:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 02:43:10,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 02:43:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 02:43:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 02:43:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 02:43:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 02:43:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 02:43:10,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 02:43:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 02:43:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 02:43:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 02:43:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 02:43:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 02:43:10,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 02:43:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 02:43:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 02:43:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 02:43:10,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 02:43:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 02:43:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 02:43:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 02:43:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 02:43:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 02:43:10,218 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 02:43:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 02:43:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 02:43:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 02:43:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 02:43:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-27 02:43:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 02:43:10,219 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 02:43:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-27 02:43:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 02:43:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 02:43:10,220 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 02:43:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 02:43:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 02:43:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 02:43:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 02:43:10,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 02:43:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 02:43:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 02:43:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 02:43:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 02:43:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 02:43:10,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 02:43:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 02:43:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 02:43:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 02:43:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 02:43:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 02:43:10,223 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 02:43:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 02:43:10,224 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 02:43:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 02:43:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 02:43:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 02:43:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 02:43:10,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 02:43:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 02:43:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 02:43:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 02:43:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 02:43:10,227 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 02:43:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 02:43:10,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 02:43:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 02:43:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 02:43:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 02:43:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 02:43:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 02:43:10,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 02:43:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 02:43:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 02:43:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 02:43:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 02:43:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 02:43:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 02:43:10,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 02:43:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 02:43:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 02:43:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 02:43:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 02:43:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 02:43:10,231 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 02:43:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 02:43:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 02:43:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 02:43:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 02:43:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 02:43:10,232 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 02:43:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 02:43:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 02:43:10,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 02:43:10,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 02:43:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 02:43:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 02:43:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 02:43:10,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 02:43:10,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 02:43:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 02:43:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 02:43:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 02:43:10,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 02:43:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 02:43:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 02:43:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 02:43:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 02:43:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 02:43:10,238 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 02:43:10,239 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 02:43:10,239 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 02:43:10,240 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 02:43:10,241 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 02:43:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 02:43:10,244 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 02:43:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 02:43:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 02:43:10,245 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 02:43:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 02:43:10,246 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 02:43:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 02:43:10,248 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 02:43:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 02:43:10,249 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 02:43:10,254 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 02:43:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 02:43:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 02:43:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 02:43:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 02:43:10,255 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 02:43:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 02:43:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 02:43:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 02:43:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 02:43:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 02:43:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 02:43:10,256 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 02:43:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 02:43:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 02:43:10,257 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 02:43:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 02:43:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 02:43:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 02:43:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 02:43:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 02:43:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 02:43:10,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 02:43:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 02:43:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 02:43:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 02:43:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 02:43:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 02:43:10,259 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 02:43:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 02:43:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 02:43:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 02:43:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 02:43:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 02:43:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 02:43:10,260 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 02:43:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 02:43:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 02:43:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 02:43:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 02:43:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 02:43:10,261 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 02:43:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 02:43:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 02:43:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 02:43:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 02:43:10,262 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 02:43:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 02:43:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 02:43:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 02:43:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 02:43:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 02:43:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 02:43:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 02:43:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 02:43:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 02:43:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 02:43:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 02:43:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 02:43:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 02:43:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-27 02:43:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-27 02:43:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 02:43:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 02:43:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 02:43:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 02:43:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 02:43:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 02:43:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 02:43:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 02:43:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 02:43:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 02:43:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 02:43:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 02:43:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 02:43:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 02:43:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 02:43:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 02:43:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 02:43:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 02:43:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 02:43:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 02:43:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 02:43:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 02:43:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 02:43:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 02:43:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 02:43:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 02:43:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 02:43:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 02:43:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 02:43:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 02:43:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 02:43:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 02:43:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 02:43:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 02:43:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 02:43:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 02:43:13,456 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 02:43:13,457 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 02:43:13,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:43:13 BoogieIcfgContainer [2020-10-27 02:43:13,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 02:43:13,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 02:43:13,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 02:43:13,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 02:43:13,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 02:43:08" (1/3) ... [2020-10-27 02:43:13,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29740a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:43:13, skipping insertion in model container [2020-10-27 02:43:13,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 02:43:09" (2/3) ... [2020-10-27 02:43:13,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29740a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 02:43:13, skipping insertion in model container [2020-10-27 02:43:13,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 02:43:13" (3/3) ... [2020-10-27 02:43:13,474 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product21.cil.c [2020-10-27 02:43:13,486 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 02:43:13,493 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 02:43:13,506 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 02:43:13,548 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 02:43:13,549 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 02:43:13,553 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 02:43:13,553 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 02:43:13,553 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 02:43:13,553 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 02:43:13,554 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 02:43:13,554 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 02:43:13,597 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states. [2020-10-27 02:43:13,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 02:43:13,631 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:43:13,632 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:43:13,632 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:43:13,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:43:13,639 INFO L82 PathProgramCache]: Analyzing trace with hash -498678388, now seen corresponding path program 1 times [2020-10-27 02:43:13,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:43:13,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697641068] [2020-10-27 02:43:13,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:43:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:14,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:14,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:14,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:15,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:15,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:19,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:19,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 02:43:19,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:43:19,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5055 [2020-10-27 02:43:19,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:43:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 02:43:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:43:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 02:43:24,116 WARN L193 SmtUtils]: Spent 4.76 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 02:43:24,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:43:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:24,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:24,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:24,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:43:24,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:24,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-27 02:43:24,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:24,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:24,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:24,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:24,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:24,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:43:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:24,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:24,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:24,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:43:24,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:24,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:24,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:24,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:24,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:24,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:24,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:43:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:24,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:24,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:24,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:43:24,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:24,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:24,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:24,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:24,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:24,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:43:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:24,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:24,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:24,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:43:24,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:24,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:24,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:24,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:24,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:24,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:43:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:24,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:24,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:24,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:24,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 02:43:29,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 02:43:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 02:43:29,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 02:43:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 02:43:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 02:43:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:43:29,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 02:43:29,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:43:29,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:43:29,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:29,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:29,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:43:29,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:29,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:29,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:43:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:43:29,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 02:43:29,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-27 02:43:29,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 02:43:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:43:29,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:43:29,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:43:29,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:43:29,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:43:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 02:43:29,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:29,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:29,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:43:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:29,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 02:43:29,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:43:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:43:29,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 02:43:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:43:29,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 02:43:29,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 02:43:29,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:43:29,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:43:29,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:29,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:29,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:43:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:29,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:29,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:29,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:29,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 02:43:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:29,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:29,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:29,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:43:29,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:29,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 02:43:29,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 02:43:29,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:29,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:30,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:43:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:30,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:30,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:30,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:30,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:30,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:30,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:30,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:30,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:30,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:30,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:43:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:30,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:30,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:30,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:30,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:30,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:30,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:30,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:43:30,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:30,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:30,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 02:43:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:30,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:30,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:30,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:30,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:30,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:30,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:43:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:30,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:30,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 02:43:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:30,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:30,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:30,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:30,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:30,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:30,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:30,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:43:30,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:30,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:30,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 02:43:30,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:30,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:30,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:30,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:43:30,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:43:30,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 02:43:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:30,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:30,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 02:43:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:30,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:30,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:30,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:30,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:30,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:30,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:30,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:43:30,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:30,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 02:43:30,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 02:43:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:30,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:30,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:30,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:30,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:30,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:30,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:43:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:30,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 02:43:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:43:30,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:43:30,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:43:30,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:43:30,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:43:30,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:43:30,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:43:30,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:43:30,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:43:30,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:43:30,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:43:30,260 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 02:43:30,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697641068] [2020-10-27 02:43:30,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 02:43:30,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 02:43:30,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269081116] [2020-10-27 02:43:30,272 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 02:43:30,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:43:30,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 02:43:30,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-27 02:43:30,293 INFO L87 Difference]: Start difference. First operand 573 states. Second operand 15 states. [2020-10-27 02:43:36,630 WARN L193 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 02:43:43,762 WARN L193 SmtUtils]: Spent 5.52 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 02:43:50,026 WARN L193 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 02:44:34,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 02:44:34,926 INFO L93 Difference]: Finished difference Result 1475 states and 2251 transitions. [2020-10-27 02:44:34,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-27 02:44:34,929 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2020-10-27 02:44:34,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 02:44:34,965 INFO L225 Difference]: With dead ends: 1475 [2020-10-27 02:44:34,965 INFO L226 Difference]: Without dead ends: 876 [2020-10-27 02:44:34,979 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 23.7s TimeCoverageRelationStatistics Valid=449, Invalid=1443, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 02:44:35,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2020-10-27 02:44:35,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 543. [2020-10-27 02:44:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-10-27 02:44:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 743 transitions. [2020-10-27 02:44:35,444 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 743 transitions. Word has length 155 [2020-10-27 02:44:35,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 02:44:35,445 INFO L481 AbstractCegarLoop]: Abstraction has 543 states and 743 transitions. [2020-10-27 02:44:35,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 02:44:35,445 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 743 transitions. [2020-10-27 02:44:35,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 02:44:35,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 02:44:35,455 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 02:44:35,455 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 02:44:35,455 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 02:44:35,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 02:44:35,456 INFO L82 PathProgramCache]: Analyzing trace with hash -401117547, now seen corresponding path program 1 times [2020-10-27 02:44:35,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 02:44:35,457 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148746862] [2020-10-27 02:44:35,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 02:44:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:35,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:35,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:35,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:36,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:39,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:40,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:40,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 02:44:40,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 02:44:40,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5074 [2020-10-27 02:44:40,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:40,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 02:44:40,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 02:44:40,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-27 02:44:40,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:46,197 WARN L193 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 02:44:46,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 02:44:46,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:46,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:46,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:46,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:44:46,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 124 [2020-10-27 02:44:46,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:46,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:44:46,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:46,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 02:44:46,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:46,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:44:46,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:46,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:46,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:46,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:44:46,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:46,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:44:46,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:44:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:46,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:44:46,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:46,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 02:44:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:46,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:46,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:46,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 02:44:46,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:46,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:44:46,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:44:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:46,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 02:44:46,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:46,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 02:44:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:46,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:46,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:46,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 02:44:46,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:46,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:44:46,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:46,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:44:46,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:46,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 02:44:46,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:46,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 02:44:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:46,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:46,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:46,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:46,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:50,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:50,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:51,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 02:44:51,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 02:44:51,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 02:44:51,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 02:44:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-27 02:44:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:51,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:44:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:51,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:51,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:44:51,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 02:44:51,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:51,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:51,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:44:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:51,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:51,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:44:51,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:51,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:44:51,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:51,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:51,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:51,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:44:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:51,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:51,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:51,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:51,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:44:51,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:51,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:51,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:44:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:51,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:51,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:51,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:51,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:44:51,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:51,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:51,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:51,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:51,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:51,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 02:44:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:51,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:51,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 02:44:51,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 02:44:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-27 02:44:51,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:51,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:44:51,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:51,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 02:44:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:51,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:44:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:51,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:51,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:44:51,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:51,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:44:51,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:51,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:44:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:51,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:51,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:51,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:51,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:44:51,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:51,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:51,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:51,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:44:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:51,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:51,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:51,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:44:51,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:51,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:44:51,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:51,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:51,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:51,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:51,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 02:44:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 02:44:52,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 02:44:52,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:44:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 02:44:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:44:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 02:44:52,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:44:52,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:52,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:52,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:52,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:44:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:52,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:44:52,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:52,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:52,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 02:44:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:52,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:44:52,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:52,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 02:44:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 02:44:52,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 02:44:52,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 02:44:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 02:44:52,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 02:44:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:52,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:44:52,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:44:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:52,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:44:52,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 02:44:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:52,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:44:52,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 02:44:52,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:52,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:44:52,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 02:44:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:52,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 02:44:52,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 02:44:52,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:52,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:44:52,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 02:44:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:52,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 02:44:52,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:44:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 02:44:52,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 02:44:52,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 02:44:52,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 02:44:52,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 02:44:52,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 02:44:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 02:44:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 02:44:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 02:44:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:52,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:44:52,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:44:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 02:44:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:52,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:44:52,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:52,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:44:52,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:52,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 02:44:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 02:44:52,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 02:44:52,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 02:44:52,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 02:44:52,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 02:44:52,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 02:44:52,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 02:44:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 02:44:52,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 02:44:52,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 02:44:52,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 02:44:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-27 02:44:52,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148746862] [2020-10-27 02:44:52,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 02:44:52,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-27 02:44:52,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070875031] [2020-10-27 02:44:52,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 02:44:52,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 02:44:52,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 02:44:52,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2020-10-27 02:44:52,682 INFO L87 Difference]: Start difference. First operand 543 states and 743 transitions. Second operand 25 states. [2020-10-27 02:44:59,958 WARN L193 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 02:45:07,644 WARN L193 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 572 [2020-10-27 02:45:17,149 WARN L193 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 02:45:22,574 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 02:45:28,163 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 02:45:35,889 WARN L193 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 02:45:45,360 WARN L193 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 02:45:52,151 WARN L193 SmtUtils]: Spent 5.05 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 02:46:01,695 WARN L193 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 02:46:07,460 WARN L193 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 02:46:13,234 WARN L193 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 02:46:19,011 WARN L193 SmtUtils]: Spent 5.21 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 02:46:24,884 WARN L193 SmtUtils]: Spent 5.25 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 02:46:30,294 WARN L193 SmtUtils]: Spent 5.19 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 02:46:35,886 WARN L193 SmtUtils]: Spent 5.32 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 02:46:41,644 WARN L193 SmtUtils]: Spent 5.22 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 02:46:44,552 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-10-27 02:46:50,983 WARN L193 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 02:46:59,095 WARN L193 SmtUtils]: Spent 5.20 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 02:47:10,352 WARN L193 SmtUtils]: Spent 5.18 s on a formula simplification that was a NOOP. DAG size: 572