/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_spec8_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 03:10:15,264 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 03:10:15,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 03:10:15,301 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 03:10:15,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 03:10:15,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 03:10:15,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 03:10:15,307 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 03:10:15,309 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 03:10:15,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 03:10:15,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 03:10:15,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 03:10:15,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 03:10:15,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 03:10:15,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 03:10:15,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 03:10:15,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 03:10:15,322 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 03:10:15,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 03:10:15,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 03:10:15,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 03:10:15,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 03:10:15,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 03:10:15,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 03:10:15,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 03:10:15,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 03:10:15,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 03:10:15,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 03:10:15,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 03:10:15,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 03:10:15,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 03:10:15,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 03:10:15,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 03:10:15,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 03:10:15,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 03:10:15,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 03:10:15,365 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 03:10:15,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 03:10:15,366 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 03:10:15,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 03:10:15,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 03:10:15,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 03:10:15,427 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 03:10:15,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 03:10:15,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 03:10:15,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 03:10:15,434 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 03:10:15,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 03:10:15,435 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 03:10:15,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 03:10:15,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 03:10:15,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 03:10:15,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 03:10:15,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 03:10:15,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 03:10:15,439 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 03:10:15,439 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 03:10:15,439 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 03:10:15,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 03:10:15,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 03:10:15,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 03:10:15,441 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 03:10:15,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 03:10:15,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:10:15,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 03:10:15,442 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 03:10:15,442 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 03:10:15,442 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 03:10:15,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 03:10:15,443 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 03:10:15,443 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 03:10:15,443 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 03:10:15,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 03:10:15,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 03:10:15,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 03:10:15,937 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 03:10:15,938 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 03:10:15,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2020-10-27 03:10:16,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/124ab39d1/5ee22df382134cf7990de155e0b3b726/FLAGac8b0408e [2020-10-27 03:10:16,726 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 03:10:16,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2020-10-27 03:10:16,751 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/124ab39d1/5ee22df382134cf7990de155e0b3b726/FLAGac8b0408e [2020-10-27 03:10:16,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/124ab39d1/5ee22df382134cf7990de155e0b3b726 [2020-10-27 03:10:16,944 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 03:10:16,950 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 03:10:16,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 03:10:16,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 03:10:16,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 03:10:16,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:10:16" (1/1) ... [2020-10-27 03:10:16,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651c0257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:16, skipping insertion in model container [2020-10-27 03:10:16,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:10:16" (1/1) ... [2020-10-27 03:10:16,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 03:10:17,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 03:10:17,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:10:17,882 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 03:10:18,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 03:10:18,200 INFO L208 MainTranslator]: Completed translation [2020-10-27 03:10:18,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18 WrapperNode [2020-10-27 03:10:18,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 03:10:18,203 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 03:10:18,203 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 03:10:18,203 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 03:10:18,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18" (1/1) ... [2020-10-27 03:10:18,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18" (1/1) ... [2020-10-27 03:10:18,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18" (1/1) ... [2020-10-27 03:10:18,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18" (1/1) ... [2020-10-27 03:10:18,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18" (1/1) ... [2020-10-27 03:10:18,351 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18" (1/1) ... [2020-10-27 03:10:18,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18" (1/1) ... [2020-10-27 03:10:18,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 03:10:18,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 03:10:18,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 03:10:18,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 03:10:18,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 03:10:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 03:10:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 03:10:18,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 03:10:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 03:10:18,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 03:10:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 03:10:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 03:10:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 03:10:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 03:10:18,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 03:10:18,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 03:10:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 03:10:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 03:10:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 03:10:18,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 03:10:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 03:10:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 03:10:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 03:10:18,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 03:10:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 03:10:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 03:10:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 03:10:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 03:10:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 03:10:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 03:10:18,499 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 03:10:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 03:10:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 03:10:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 03:10:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 03:10:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 03:10:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 03:10:18,500 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 03:10:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 03:10:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 03:10:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 03:10:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 03:10:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 03:10:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 03:10:18,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 03:10:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 03:10:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 03:10:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 03:10:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 03:10:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 03:10:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 03:10:18,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 03:10:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 03:10:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 03:10:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 03:10:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 03:10:18,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 03:10:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 03:10:18,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 03:10:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 03:10:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 03:10:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-27 03:10:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-27 03:10:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 03:10:18,505 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 03:10:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 03:10:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 03:10:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 03:10:18,506 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 03:10:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 03:10:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 03:10:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 03:10:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 03:10:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-27 03:10:18,507 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 03:10:18,508 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 03:10:18,508 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 03:10:18,509 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 03:10:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 03:10:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 03:10:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 03:10:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 03:10:18,510 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 03:10:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 03:10:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 03:10:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 03:10:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 03:10:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 03:10:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 03:10:18,511 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 03:10:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 03:10:18,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 03:10:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 03:10:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 03:10:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 03:10:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 03:10:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 03:10:18,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 03:10:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 03:10:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 03:10:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 03:10:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 03:10:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 03:10:18,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 03:10:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 03:10:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 03:10:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 03:10:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 03:10:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 03:10:18,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 03:10:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 03:10:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 03:10:18,516 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 03:10:18,516 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 03:10:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 03:10:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 03:10:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 03:10:18,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 03:10:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 03:10:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 03:10:18,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 03:10:18,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 03:10:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 03:10:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 03:10:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 03:10:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 03:10:18,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 03:10:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 03:10:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 03:10:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 03:10:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 03:10:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 03:10:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 03:10:18,521 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 03:10:18,522 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 03:10:18,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 03:10:18,524 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 03:10:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 03:10:18,526 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 03:10:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 03:10:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 03:10:18,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 03:10:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 03:10:18,528 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 03:10:18,529 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 03:10:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 03:10:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 03:10:18,530 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 03:10:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 03:10:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 03:10:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 03:10:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 03:10:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 03:10:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 03:10:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 03:10:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 03:10:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 03:10:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 03:10:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 03:10:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 03:10:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 03:10:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 03:10:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 03:10:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 03:10:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 03:10:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 03:10:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 03:10:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 03:10:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 03:10:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 03:10:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 03:10:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 03:10:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 03:10:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 03:10:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 03:10:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 03:10:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 03:10:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 03:10:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 03:10:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 03:10:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 03:10:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 03:10:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 03:10:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 03:10:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 03:10:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-27 03:10:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-27 03:10:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 03:10:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 03:10:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 03:10:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 03:10:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 03:10:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 03:10:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 03:10:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 03:10:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 03:10:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 03:10:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 03:10:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 03:10:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 03:10:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 03:10:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 03:10:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 03:10:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 03:10:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 03:10:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 03:10:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 03:10:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 03:10:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 03:10:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 03:10:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 03:10:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 03:10:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 03:10:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 03:10:18,546 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 03:10:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 03:10:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 03:10:18,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 03:10:21,000 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 03:10:21,000 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 03:10:21,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:10:21 BoogieIcfgContainer [2020-10-27 03:10:21,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 03:10:21,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 03:10:21,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 03:10:21,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 03:10:21,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:10:16" (1/3) ... [2020-10-27 03:10:21,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da729f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:10:21, skipping insertion in model container [2020-10-27 03:10:21,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:10:18" (2/3) ... [2020-10-27 03:10:21,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3da729f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:10:21, skipping insertion in model container [2020-10-27 03:10:21,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:10:21" (3/3) ... [2020-10-27 03:10:21,012 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product12.cil.c [2020-10-27 03:10:21,024 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 03:10:21,030 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 03:10:21,044 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 03:10:21,076 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 03:10:21,076 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 03:10:21,076 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 03:10:21,076 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 03:10:21,076 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 03:10:21,076 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 03:10:21,077 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 03:10:21,077 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 03:10:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states. [2020-10-27 03:10:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-27 03:10:21,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:10:21,129 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] [2020-10-27 03:10:21,129 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:10:21,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:10:21,136 INFO L82 PathProgramCache]: Analyzing trace with hash 656828728, now seen corresponding path program 1 times [2020-10-27 03:10:21,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:10:21,147 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783536783] [2020-10-27 03:10:21,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:10:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:21,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:21,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:22,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:23,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:23,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:26,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:26,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:26,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-27 03:10:26,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 03:10:26,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-27 03:10:26,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-27 03:10:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 03:10:26,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-27 03:10:26,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 03:10:28,946 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 03:10:28,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:10:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:29,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:29,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:29,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:29,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:29,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-27 03:10:29,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:29,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 03:10:29,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:29,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:10:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:29,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:29,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:10:29,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:29,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:29,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:29,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:10:29,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:29,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:10:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:29,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:29,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:29,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:10:29,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:29,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 03:10:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:29,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:10:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:29,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:29,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:29,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:10:29,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:29,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:29,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:29,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 03:10:29,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:29,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:10:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:29,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:29,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:29,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:29,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:33,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 03:10:34,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:10:34,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 03:10:34,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 03:10:34,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 03:10:34,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:34,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:10:34,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:10:34,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:10:34,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 03:10:34,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:34,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:34,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:10:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:34,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:34,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 03:10:34,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:10:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:10:34,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:10:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 121 [2020-10-27 03:10:34,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:10:34,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:10:34,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:34,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:34,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:10:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:34,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:34,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:10:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:10:34,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 03:10:34,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:10:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:34,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:10:34,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:34,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:34,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:10:34,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:10:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:34,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:34,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:34,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:34,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 03:10:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:10:34,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 03:10:34,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 03:10:34,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 03:10:34,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:10:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:34,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:34,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:10:34,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:10:34,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:34,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:10:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:34,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:34,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:34,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:34,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:10:34,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:10:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:34,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:10:34,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:35,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 03:10:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:35,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:35,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:35,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:35,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:35,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:10:35,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:35,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:10:35,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:10:35,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:10:35,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:35,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-27 03:10:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:35,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:35,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:35,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:10:35,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:35,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:10:35,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:35,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:10:35,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:10:35,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:10:35,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:35,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 03:10:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:35,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:35,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:35,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:35,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:35,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:10:35,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:10:35,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 03:10:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:35,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:35,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:35,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:35,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:35,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:35,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:35,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:10:35,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 03:10:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:10:35,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:10:35,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:10:35,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:10:35,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:10:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:10:35,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:10:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:10:35,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:10:35,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:10:35,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:10:35,310 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 03:10:35,311 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783536783] [2020-10-27 03:10:35,313 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 03:10:35,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2020-10-27 03:10:35,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462464747] [2020-10-27 03:10:35,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 03:10:35,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:10:35,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 03:10:35,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2020-10-27 03:10:35,338 INFO L87 Difference]: Start difference. First operand 432 states. Second operand 25 states. [2020-10-27 03:10:41,519 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 03:10:48,120 WARN L193 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 574 DAG size of output: 572 [2020-10-27 03:10:56,050 WARN L193 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-27 03:11:00,618 WARN L193 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 580 DAG size of output: 578 [2020-10-27 03:11:05,149 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-27 03:11:10,755 WARN L193 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-27 03:11:16,909 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 576 DAG size of output: 574 [2020-10-27 03:11:19,638 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 03:11:24,009 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 578 DAG size of output: 576 [2020-10-27 03:11:28,281 WARN L193 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 576 DAG size of output: 574 [2020-10-27 03:11:32,815 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 579 DAG size of output: 577 [2020-10-27 03:11:37,389 WARN L193 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 579 DAG size of output: 577 [2020-10-27 03:11:42,444 WARN L193 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 579 DAG size of output: 577 [2020-10-27 03:11:46,877 WARN L193 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-27 03:11:51,310 WARN L193 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 580 DAG size of output: 578 [2020-10-27 03:11:55,677 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 578 DAG size of output: 576 [2020-10-27 03:12:02,586 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:12:06,237 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:12:10,011 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 572 [2020-10-27 03:12:12,390 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:12:14,587 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 03:12:44,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:12:44,871 INFO L93 Difference]: Finished difference Result 1691 states and 2520 transitions. [2020-10-27 03:12:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2020-10-27 03:12:44,873 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 146 [2020-10-27 03:12:44,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:12:44,915 INFO L225 Difference]: With dead ends: 1691 [2020-10-27 03:12:44,915 INFO L226 Difference]: Without dead ends: 1323 [2020-10-27 03:12:44,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5586 ImplicationChecksByTransitivity, 84.1s TimeCoverageRelationStatistics Valid=2801, Invalid=12205, Unknown=0, NotChecked=0, Total=15006 [2020-10-27 03:12:44,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2020-10-27 03:12:45,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 901. [2020-10-27 03:12:45,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2020-10-27 03:12:45,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1239 transitions. [2020-10-27 03:12:45,496 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1239 transitions. Word has length 146 [2020-10-27 03:12:45,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:12:45,497 INFO L481 AbstractCegarLoop]: Abstraction has 901 states and 1239 transitions. [2020-10-27 03:12:45,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 03:12:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1239 transitions. [2020-10-27 03:12:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-27 03:12:45,508 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:12:45,508 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] [2020-10-27 03:12:45,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 03:12:45,509 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:12:45,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:12:45,510 INFO L82 PathProgramCache]: Analyzing trace with hash -709478269, now seen corresponding path program 1 times [2020-10-27 03:12:45,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:12:45,510 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178443959] [2020-10-27 03:12:45,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:12:45,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:45,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:45,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:45,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:45,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:46,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:46,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:49,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:50,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:50,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-27 03:12:50,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:12:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 03:12:50,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:12:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-27 03:12:50,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 03:12:50,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:52,761 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 03:12:52,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:12:52,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:52,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:52,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:52,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:12:52,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:52,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 03:12:52,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:52,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:52,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:52,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:52,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:12:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:52,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:52,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:52,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:12:52,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:52,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:52,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:52,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:52,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:52,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:12:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:52,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:52,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:52,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:12:52,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:52,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:12:52,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:52,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:52,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:52,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:12:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:52,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:52,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:52,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:12:52,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:52,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:52,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:52,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:52,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:52,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:52,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:12:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:52,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:52,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:52,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:53,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:57,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:57,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 03:12:57,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 03:12:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:12:57,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:12:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 03:12:57,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 03:12:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:57,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:12:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:12:58,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 03:12:58,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:12:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:12:58,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:12:58,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:12:58,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:58,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:12:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:58,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:12:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:12:58,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:12:58,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-27 03:12:58,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:12:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:12:58,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:12:58,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:12:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:12:58,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 03:12:58,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:12:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:12:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:12:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:58,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:12:58,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:12:58,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:12:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:12:58,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 03:12:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:12:58,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:12:58,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 03:12:58,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:12:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:12:58,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:12:58,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:12:58,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:58,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:12:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:58,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-27 03:12:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 03:12:58,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 03:12:58,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-27 03:12:58,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:12:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:12:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 03:12:58,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:12:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:12:58,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:12:58,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:12:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:12:58,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:12:58,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:12:58,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:12:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:12:58,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:12:58,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 03:12:58,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:12:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:12:58,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:12:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:12:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:58,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:12:58,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 03:12:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:12:58,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:12:58,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 03:12:58,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 03:12:58,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:12:58,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:12:58,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 03:12:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:58,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:12:58,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 03:12:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:12:58,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:12:58,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:12:58,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:12:58,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:12:58,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:12:58,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:12:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:12:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:12:58,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:12:58,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:12:58,896 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-27 03:12:58,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178443959] [2020-10-27 03:12:58,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:12:58,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 03:12:58,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839986101] [2020-10-27 03:12:58,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 03:12:58,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:12:58,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 03:12:58,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2020-10-27 03:12:58,903 INFO L87 Difference]: Start difference. First operand 901 states and 1239 transitions. Second operand 20 states. [2020-10-27 03:13:02,986 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-27 03:13:05,532 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-27 03:13:07,704 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:13:10,340 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:13:14,622 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:13:16,874 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:13:19,136 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 03:13:22,003 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:13:24,237 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 03:13:30,547 WARN L193 SmtUtils]: Spent 2.27 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:13:39,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 03:13:39,583 INFO L93 Difference]: Finished difference Result 1892 states and 2757 transitions. [2020-10-27 03:13:39,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-27 03:13:39,584 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 148 [2020-10-27 03:13:39,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 03:13:39,594 INFO L225 Difference]: With dead ends: 1892 [2020-10-27 03:13:39,595 INFO L226 Difference]: Without dead ends: 1030 [2020-10-27 03:13:39,600 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=558, Invalid=2412, Unknown=0, NotChecked=0, Total=2970 [2020-10-27 03:13:39,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2020-10-27 03:13:39,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 763. [2020-10-27 03:13:39,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 763 states. [2020-10-27 03:13:39,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 1057 transitions. [2020-10-27 03:13:39,901 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 1057 transitions. Word has length 148 [2020-10-27 03:13:39,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 03:13:39,902 INFO L481 AbstractCegarLoop]: Abstraction has 763 states and 1057 transitions. [2020-10-27 03:13:39,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 03:13:39,902 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1057 transitions. [2020-10-27 03:13:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 03:13:39,907 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 03:13:39,907 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] [2020-10-27 03:13:39,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 03:13:39,908 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 03:13:39,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 03:13:39,909 INFO L82 PathProgramCache]: Analyzing trace with hash -143261147, now seen corresponding path program 1 times [2020-10-27 03:13:39,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 03:13:39,909 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243030440] [2020-10-27 03:13:39,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 03:13:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:40,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:40,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:40,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:40,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:40,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:41,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:41,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:44,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:44,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 03:13:44,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 03:13:44,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 03:13:44,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:44,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 03:13:44,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 03:13:44,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-27 03:13:44,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:47,448 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-27 03:13:47,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 03:13:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:47,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:13:47,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:47,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 03:13:47,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:47,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:47,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:47,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:47,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:47,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:13:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:47,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:13:47,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:47,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:13:47,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:47,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:47,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:47,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:47,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:47,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 03:13:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:47,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 03:13:47,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:47,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:13:47,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:47,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:47,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:47,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:47,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:47,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 03:13:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:47,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 03:13:47,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 03:13:47,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:47,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:47,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 03:13:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:47,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:47,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:48,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:48,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:48,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 03:13:52,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 03:13:52,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 03:13:52,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:13:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 03:13:52,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:13:52,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 03:13:52,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-27 03:13:52,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 03:13:52,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:13:52,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:13:52,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 03:13:52,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:13:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 03:13:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:52,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:52,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:52,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:52,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:13:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:52,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:52,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:52,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 03:13:52,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 03:13:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:52,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 03:13:52,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 03:13:52,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 03:13:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:52,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:52,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 03:13:53,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 03:13:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 03:13:53,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:13:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 03:13:53,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:53,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:13:53,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:13:53,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:53,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:13:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 03:13:53,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 03:13:53,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 03:13:53,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 03:13:53,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:13:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 03:13:53,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 03:13:53,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 03:13:53,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:53,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 03:13:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:53,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 03:13:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 03:13:53,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 03:13:53,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:13:53,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 03:13:53,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 03:13:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:53,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 03:13:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:53,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 03:13:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:53,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 03:13:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 03:13:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 03:13:53,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-27 03:13:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 03:13:53,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 03:13:53,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 03:13:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 03:13:53,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 03:13:53,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 03:13:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:53,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:13:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 03:13:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:53,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:13:53,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 03:13:53,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 03:13:53,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 03:13:53,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 03:13:53,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 03:13:53,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 03:13:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 03:13:53,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 03:13:53,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 03:13:53,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 03:13:53,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 03:13:53,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 03:13:53,398 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 03:13:53,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243030440] [2020-10-27 03:13:53,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 03:13:53,399 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-27 03:13:53,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306836602] [2020-10-27 03:13:53,400 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-27 03:13:53,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 03:13:53,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-27 03:13:53,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2020-10-27 03:13:53,401 INFO L87 Difference]: Start difference. First operand 763 states and 1057 transitions. Second operand 21 states. [2020-10-27 03:13:57,522 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 03:13:59,768 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-27 03:14:01,965 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 570