/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block 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=NARROWEST --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 -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:55:29,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:55:29,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:55:29,217 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:55:29,217 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:55:29,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:55:29,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:55:29,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:55:29,223 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:55:29,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:55:29,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:55:29,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:55:29,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:55:29,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:55:29,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:55:29,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:55:29,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:55:29,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:55:29,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:55:29,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:55:29,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:55:29,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:55:29,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:55:29,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:55:29,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:55:29,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:55:29,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:55:29,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:55:29,243 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:55:29,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:55:29,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:55:29,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:55:29,246 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:55:29,247 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:55:29,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:55:29,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:55:29,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:55:29,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:55:29,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:55:29,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:55:29,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:55:29,252 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 [2020-10-13 11:55:29,274 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:55:29,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:55:29,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:55:29,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:55:29,276 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:55:29,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:55:29,279 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:55:29,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:55:29,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:55:29,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:55:29,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:55:29,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:55:29,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:55:29,281 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:55:29,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:55:29,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:55:29,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:55:29,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:55:29,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:55:29,282 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:55:29,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:55:29,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:55:29,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:55:29,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:55:29,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:55:29,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:55:29,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:55:29,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:55:29,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:55:29,287 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> 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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=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=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:55:29,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:55:29,624 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:55:29,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:55:29,629 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:55:29,630 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:55:29,631 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2020-10-13 11:55:29,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8f1770e6/75489d3d4322421a840e0f66591d90fb/FLAG897603eb9 [2020-10-13 11:55:30,306 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:55:30,307 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2020-10-13 11:55:30,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8f1770e6/75489d3d4322421a840e0f66591d90fb/FLAG897603eb9 [2020-10-13 11:55:30,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d8f1770e6/75489d3d4322421a840e0f66591d90fb [2020-10-13 11:55:30,524 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:55:30,525 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:55:30,526 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:55:30,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:55:30,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:55:30,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:55:30" (1/1) ... [2020-10-13 11:55:30,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b4a4e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:30, skipping insertion in model container [2020-10-13 11:55:30,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:55:30" (1/1) ... [2020-10-13 11:55:30,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:55:30,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:55:31,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:55:31,389 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:55:31,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:55:31,591 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:55:31,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31 WrapperNode [2020-10-13 11:55:31,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:55:31,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:55:31,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:55:31,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:55:31,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31" (1/1) ... [2020-10-13 11:55:31,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31" (1/1) ... [2020-10-13 11:55:31,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31" (1/1) ... [2020-10-13 11:55:31,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31" (1/1) ... [2020-10-13 11:55:31,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31" (1/1) ... [2020-10-13 11:55:31,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31" (1/1) ... [2020-10-13 11:55:31,789 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31" (1/1) ... [2020-10-13 11:55:31,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:55:31,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:55:31,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:55:31,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:55:31,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31" (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 [2020-10-13 11:55:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:55:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:55:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:55:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-13 11:55:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-13 11:55:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-13 11:55:31,892 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-13 11:55:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-13 11:55:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-13 11:55:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-13 11:55:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-13 11:55:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-13 11:55:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2020-10-13 11:55:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-13 11:55:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-13 11:55:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-13 11:55:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-13 11:55:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-13 11:55:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-13 11:55:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-13 11:55:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-13 11:55:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-13 11:55:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-13 11:55:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-13 11:55:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-13 11:55:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:55:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:55:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:55:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:55:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:55:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:55:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-13 11:55:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2020-10-13 11:55:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-13 11:55:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-13 11:55:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-13 11:55:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-13 11:55:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-13 11:55:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-13 11:55:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:55:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:55:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:55:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:55:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:55:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-13 11:55:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-13 11:55:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-13 11:55:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-13 11:55:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-13 11:55:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-13 11:55:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-13 11:55:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-13 11:55:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:55:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:55:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-13 11:55:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-13 11:55:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-13 11:55:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-13 11:55:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-13 11:55:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-13 11:55:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-13 11:55:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-13 11:55:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-13 11:55:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-13 11:55:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-13 11:55:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-13 11:55:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-13 11:55:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-13 11:55:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-13 11:55:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-13 11:55:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-13 11:55:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-13 11:55:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-13 11:55:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-13 11:55:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-13 11:55:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-13 11:55:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-13 11:55:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-13 11:55:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-13 11:55:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-13 11:55:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-13 11:55:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-13 11:55:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-13 11:55:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-13 11:55:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-13 11:55:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-13 11:55:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-13 11:55:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-13 11:55:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-13 11:55:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-13 11:55:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-13 11:55:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-13 11:55:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-13 11:55:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-13 11:55:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-13 11:55:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-13 11:55:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-13 11:55:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-13 11:55:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-13 11:55:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-13 11:55:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-13 11:55:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-13 11:55:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-13 11:55:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-13 11:55:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-13 11:55:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-13 11:55:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-13 11:55:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-13 11:55:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-13 11:55:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-13 11:55:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-13 11:55:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-13 11:55:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-13 11:55:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-13 11:55:31,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:55:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:55:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:55:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:55:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-13 11:55:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:55:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:55:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-13 11:55:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-13 11:55:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-13 11:55:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-13 11:55:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-13 11:55:31,924 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-13 11:55:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-13 11:55:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-13 11:55:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-13 11:55:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-13 11:55:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-13 11:55:31,928 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-13 11:55:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-13 11:55:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-13 11:55:31,929 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-13 11:55:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-13 11:55:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-13 11:55:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-13 11:55:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-13 11:55:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-13 11:55:31,930 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-13 11:55:31,931 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-13 11:55:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-13 11:55:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-13 11:55:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-13 11:55:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-13 11:55:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-13 11:55:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-13 11:55:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-13 11:55:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-13 11:55:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-13 11:55:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-13 11:55:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-13 11:55:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-13 11:55:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-13 11:55:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-13 11:55:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-13 11:55:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-13 11:55:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-13 11:55:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-13 11:55:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-13 11:55:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-13 11:55:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-13 11:55:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2020-10-13 11:55:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:55:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:55:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:55:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:55:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:55:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:55:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:55:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:55:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:55:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:55:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:55:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:55:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:55:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:55:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:55:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:55:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-13 11:55:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-13 11:55:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-13 11:55:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-13 11:55:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2020-10-13 11:55:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-13 11:55:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-13 11:55:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-13 11:55:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-13 11:55:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-13 11:55:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-13 11:55:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-13 11:55:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-13 11:55:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-13 11:55:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-13 11:55:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-13 11:55:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:55:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:55:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:55:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:55:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:55:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-13 11:55:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-13 11:55:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-13 11:55:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-13 11:55:31,949 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-13 11:55:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-13 11:55:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-13 11:55:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-13 11:55:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-13 11:55:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-13 11:55:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-13 11:55:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:55:31,950 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:55:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-13 11:55:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-13 11:55:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-13 11:55:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-13 11:55:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-13 11:55:31,951 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-13 11:55:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-13 11:55:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-13 11:55:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-13 11:55:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-13 11:55:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-13 11:55:31,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-13 11:55:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-13 11:55:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-13 11:55:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-13 11:55:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-13 11:55:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-13 11:55:31,953 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-13 11:55:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-13 11:55:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-13 11:55:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-13 11:55:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-13 11:55:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-13 11:55:31,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-13 11:55:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-13 11:55:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-13 11:55:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-13 11:55:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:55:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:55:31,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:55:34,298 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:55:34,298 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 11:55:34,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:55:34 BoogieIcfgContainer [2020-10-13 11:55:34,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:55:34,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:55:34,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:55:34,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:55:34,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:55:30" (1/3) ... [2020-10-13 11:55:34,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e7a6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:55:34, skipping insertion in model container [2020-10-13 11:55:34,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:55:31" (2/3) ... [2020-10-13 11:55:34,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e7a6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:55:34, skipping insertion in model container [2020-10-13 11:55:34,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:55:34" (3/3) ... [2020-10-13 11:55:34,315 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product31.cil.c [2020-10-13 11:55:34,325 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:55:34,334 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:55:34,349 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:55:34,377 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:55:34,377 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:55:34,377 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:55:34,377 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:55:34,377 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:55:34,378 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:55:34,378 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:55:34,378 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:55:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states. [2020-10-13 11:55:34,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-13 11:55:34,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:55:34,427 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:55:34,428 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:55:34,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:55:34,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1912188797, now seen corresponding path program 1 times [2020-10-13 11:55:34,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:55:34,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457954777] [2020-10-13 11:55:34,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:55:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:35,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:35,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:35,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:35,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:37,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:40,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:40,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 234 [2020-10-13 11:55:40,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:55:40,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-13 11:55:40,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:40,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:40,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 11:55:40,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:40,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:55:41,737 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-13 11:55:41,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:55:41,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:41,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:41,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:41,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:41,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:41,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-13 11:55:41,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:41,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:41,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:41,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:41,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:41,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:55:41,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:41,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:41,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:41,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:55:41,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:41,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:41,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:41,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:41,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:41,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:55:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:41,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:41,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:41,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:55:41,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:41,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:41,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:41,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:41,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:41,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:55:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:41,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:41,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:41,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:41,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:41,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:41,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:41,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:41,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:41,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:55:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:41,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:41,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:41,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:41,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:43,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:46,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:46,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:55:46,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:55:46,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:55:46,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:46,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:46,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:46,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:46,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:46,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:46,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:46,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:46,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:55:46,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:46,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:55:46,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:46,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:46,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:46,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:46,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:46,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:46,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:46,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:55:46,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:46,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:46,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:46,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:46,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:46,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:55:47,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:55:47,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:55:47,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:55:47,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:55:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:55:47,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:55:47,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:55:47,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:55:47,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:47,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:55:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:55:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:55:47,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:55:47,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:55:47,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:55:47,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:47,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:55:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:47,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 11:55:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:55:47,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:55:47,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:55:47,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:55:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:55:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:55:47,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:55:47,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:55:47,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:47,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:55:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:47,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:47,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:55:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:55:47,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:55:47,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:55:47,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:55:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:47,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 11:55:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:55:47,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:47,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 11:55:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:47,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:47,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:47,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:47,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:47,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:47,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:47,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:47,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:47,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:47,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:55:47,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457954777] [2020-10-13 11:55:47,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:55:47,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:55:47,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123913554] [2020-10-13 11:55:47,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:55:47,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:55:47,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:55:47,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:55:47,410 INFO L87 Difference]: Start difference. First operand 558 states. Second operand 11 states. [2020-10-13 11:56:06,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:56:06,019 INFO L93 Difference]: Finished difference Result 1368 states and 2050 transitions. [2020-10-13 11:56:06,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-13 11:56:06,021 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-10-13 11:56:06,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:56:06,048 INFO L225 Difference]: With dead ends: 1368 [2020-10-13 11:56:06,048 INFO L226 Difference]: Without dead ends: 901 [2020-10-13 11:56:06,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 471 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 11:56:06,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 901 states. [2020-10-13 11:56:06,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 901 to 535. [2020-10-13 11:56:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2020-10-13 11:56:06,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 707 transitions. [2020-10-13 11:56:06,327 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 707 transitions. Word has length 158 [2020-10-13 11:56:06,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:56:06,328 INFO L479 AbstractCegarLoop]: Abstraction has 535 states and 707 transitions. [2020-10-13 11:56:06,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:56:06,328 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 707 transitions. [2020-10-13 11:56:06,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-13 11:56:06,333 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:56:06,334 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:56:06,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:56:06,335 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:56:06,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:56:06,335 INFO L82 PathProgramCache]: Analyzing trace with hash 692839449, now seen corresponding path program 1 times [2020-10-13 11:56:06,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:56:06,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [748462695] [2020-10-13 11:56:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:56:06,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:06,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:06,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:06,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:06,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:07,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:09,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:11,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:11,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-13 11:56:11,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:56:11,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:56:11,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:11,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:56:11,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:56:11,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:56:11,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:12,975 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-13 11:56:12,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:56:12,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:12,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:13,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:13,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:13,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:13,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-13 11:56:13,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:13,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:13,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:56:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:13,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:13,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:13,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:13,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:13,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:13,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:13,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:13,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:13,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:56:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:13,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:13,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:13,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:13,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:13,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:13,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:13,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:13,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:13,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:56:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:13,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:13,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:13,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:13,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:13,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:13,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:13,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:13,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:13,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:56:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:13,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:13,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:13,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:13,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:14,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:56:18,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:56:18,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:56:18,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:18,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:56:18,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:18,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:18,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:56:18,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:56:18,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:56:18,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:56:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:18,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:56:18,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:18,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:18,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:56:18,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:56:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:18,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:56:18,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:18,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:18,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:56:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:56:18,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:56:18,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:56:18,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:56:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:56:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:56:18,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:56:18,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:56:18,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:18,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:18,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:18,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:56:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:18,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:56:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:56:18,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:56:18,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:56:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:18,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:18,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:56:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:18,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:18,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 11:56:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:18,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:18,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:18,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:18,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:18,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:18,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:56:18,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [748462695] [2020-10-13 11:56:18,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:56:18,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:56:18,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217855855] [2020-10-13 11:56:18,496 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:56:18,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:56:18,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:56:18,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:56:18,497 INFO L87 Difference]: Start difference. First operand 535 states and 707 transitions. Second operand 12 states. [2020-10-13 11:56:22,755 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-13 11:56:37,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:56:37,802 INFO L93 Difference]: Finished difference Result 1207 states and 1694 transitions. [2020-10-13 11:56:37,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-13 11:56:37,802 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 159 [2020-10-13 11:56:37,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:56:37,814 INFO L225 Difference]: With dead ends: 1207 [2020-10-13 11:56:37,815 INFO L226 Difference]: Without dead ends: 904 [2020-10-13 11:56:37,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2020-10-13 11:56:37,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2020-10-13 11:56:38,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 537. [2020-10-13 11:56:38,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2020-10-13 11:56:38,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 709 transitions. [2020-10-13 11:56:38,050 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 709 transitions. Word has length 159 [2020-10-13 11:56:38,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:56:38,051 INFO L479 AbstractCegarLoop]: Abstraction has 537 states and 709 transitions. [2020-10-13 11:56:38,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:56:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 709 transitions. [2020-10-13 11:56:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-13 11:56:38,054 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:56:38,054 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:56:38,055 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:56:38,055 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:56:38,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:56:38,055 INFO L82 PathProgramCache]: Analyzing trace with hash 62059661, now seen corresponding path program 1 times [2020-10-13 11:56:38,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:56:38,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [629006877] [2020-10-13 11:56:38,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:56:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:38,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:38,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:38,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:38,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:38,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:38,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:43,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:43,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-13 11:56:43,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:56:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5043 [2020-10-13 11:56:43,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:56:43,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:56:43,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:56:43,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:44,469 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-13 11:56:44,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:56:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:44,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:44,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:44,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:44,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:44,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-13 11:56:44,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:44,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:44,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:44,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:44,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:56:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:44,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:44,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:44,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:44,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:44,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:44,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:44,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:44,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:44,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:44,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:56:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:44,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:44,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:44,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:56:44,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:44,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:44,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:44,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:44,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:44,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:44,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:56:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:44,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:44,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:44,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:56:44,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:44,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:44,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:44,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:44,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:56:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:44,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:44,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:44,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:44,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:45,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:56:49,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:56:49,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4623 [2020-10-13 11:56:49,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:49,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:56:49,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:49,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:49,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:49,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:49,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:56:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:49,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:56:49,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:49,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:49,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:49,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:49,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:56:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:56:49,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:56:49,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:56:49,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:56:49,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:49,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:56:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:49,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 11:56:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:56:49,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:56:49,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:56:49,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:49,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:56:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:49,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:56:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:56:49,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:56:49,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:56:49,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:56:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:49,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:56:49,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:56:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:49,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:49,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 11:56:49,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:56:49,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:49,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:56:49,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:56:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:56:49,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:49,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 11:56:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:49,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:49,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 11:56:49,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:56:49,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:56:49,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:56:49,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:56:49,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:56:49,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:56:49,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:56:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:56:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:56:49,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:56:49,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:56:49,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:56:49,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [629006877] [2020-10-13 11:56:49,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:56:49,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:56:49,564 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536644679] [2020-10-13 11:56:49,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:56:49,565 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:56:49,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:56:49,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:56:49,566 INFO L87 Difference]: Start difference. First operand 537 states and 709 transitions. Second operand 12 states. [2020-10-13 11:56:53,116 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-13 11:57:08,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:57:08,441 INFO L93 Difference]: Finished difference Result 1498 states and 2182 transitions. [2020-10-13 11:57:08,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:57:08,442 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 165 [2020-10-13 11:57:08,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:57:08,449 INFO L225 Difference]: With dead ends: 1498 [2020-10-13 11:57:08,450 INFO L226 Difference]: Without dead ends: 1026 [2020-10-13 11:57:08,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:57:08,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1026 states. [2020-10-13 11:57:08,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1026 to 577. [2020-10-13 11:57:08,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2020-10-13 11:57:08,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 778 transitions. [2020-10-13 11:57:08,685 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 778 transitions. Word has length 165 [2020-10-13 11:57:08,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:57:08,685 INFO L479 AbstractCegarLoop]: Abstraction has 577 states and 778 transitions. [2020-10-13 11:57:08,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:57:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 778 transitions. [2020-10-13 11:57:08,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-13 11:57:08,689 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:57:08,689 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:57:08,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:57:08,689 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:57:08,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:57:08,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1057997395, now seen corresponding path program 1 times [2020-10-13 11:57:08,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:57:08,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1773289742] [2020-10-13 11:57:08,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:57:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:08,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:08,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:08,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:09,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:09,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:11,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:13,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:13,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-13 11:57:13,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:57:13,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-13 11:57:13,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:13,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:57:13,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:57:13,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:57:13,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:15,143 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-13 11:57:15,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:57:15,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:15,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:15,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:15,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:57:15,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:15,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:57:15,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:15,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:15,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:15,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:15,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:15,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:57:15,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:15,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:15,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:15,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:15,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:15,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:57:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:15,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:15,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:15,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:57:15,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:15,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:15,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:15,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:15,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:15,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:57:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:15,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:15,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:15,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:57:15,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:15,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:15,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:15,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:15,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:57:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:15,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:15,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:15,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:15,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:15,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:57:19,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:57:19,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4196 [2020-10-13 11:57:19,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:19,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:19,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:19,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:57:19,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:19,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:19,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:19,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:19,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:19,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:57:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:19,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:57:19,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:19,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:19,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:19,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:19,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:19,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:19,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:19,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:57:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:19,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:57:19,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:19,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:19,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:19,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:19,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:19,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:19,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:19,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:57:19,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:57:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:57:19,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:57:19,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:57:19,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:19,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:19,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:57:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:57:19,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:19,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:57:19,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:19,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:19,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:57:19,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:19,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:19,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 11:57:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:57:19,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:19,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:57:19,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 11:57:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:19,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:19,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 11:57:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:19,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:19,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 11:57:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:19,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:19,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:19,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:19,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:19,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:19,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:19,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:19,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:19,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:19,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:19,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:57:19,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1773289742] [2020-10-13 11:57:19,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:57:19,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 11:57:19,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828499804] [2020-10-13 11:57:19,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:57:19,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:57:19,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:57:19,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:57:19,787 INFO L87 Difference]: Start difference. First operand 577 states and 778 transitions. Second operand 13 states. [2020-10-13 11:57:23,564 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-13 11:57:24,891 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-13 11:57:39,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:57:39,728 INFO L93 Difference]: Finished difference Result 1392 states and 2033 transitions. [2020-10-13 11:57:39,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 11:57:39,729 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 166 [2020-10-13 11:57:39,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:57:39,737 INFO L225 Difference]: With dead ends: 1392 [2020-10-13 11:57:39,737 INFO L226 Difference]: Without dead ends: 1089 [2020-10-13 11:57:39,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=241, Invalid=515, Unknown=0, NotChecked=0, Total=756 [2020-10-13 11:57:39,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2020-10-13 11:57:39,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 622. [2020-10-13 11:57:39,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 622 states. [2020-10-13 11:57:39,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 853 transitions. [2020-10-13 11:57:39,988 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 853 transitions. Word has length 166 [2020-10-13 11:57:39,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:57:39,989 INFO L479 AbstractCegarLoop]: Abstraction has 622 states and 853 transitions. [2020-10-13 11:57:39,989 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:57:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 853 transitions. [2020-10-13 11:57:39,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-13 11:57:39,994 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:57:39,994 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:57:39,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:57:39,994 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:57:39,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:57:39,995 INFO L82 PathProgramCache]: Analyzing trace with hash -2033762288, now seen corresponding path program 1 times [2020-10-13 11:57:39,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:57:39,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1539030840] [2020-10-13 11:57:39,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:57:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:40,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:40,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:40,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:40,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:40,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:40,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:41,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:41,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:41,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:41,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:41,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:41,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:41,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:45,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:45,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-13 11:57:45,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 11:57:45,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 11:57:45,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:57:45,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:57:45,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:57:45,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:46,613 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-13 11:57:46,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:57:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:46,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:46,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:46,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:57:46,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:46,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:57:46,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:46,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:46,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:46,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:46,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:46,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:46,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:46,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:46,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:57:46,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:46,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:46,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:46,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:46,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:46,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:57:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:46,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:46,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:46,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:57:46,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:46,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:46,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:46,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:46,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:46,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:57:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:46,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:46,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:46,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:57:46,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:46,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:46,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:46,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:46,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:46,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:57:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:46,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:46,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:46,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:46,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:47,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:57:51,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:57:51,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4888 [2020-10-13 11:57:51,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:51,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:51,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:51,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:51,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:51,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:51,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:57:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:51,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:51,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:51,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:51,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:51,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:51,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:57:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:57:51,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:51,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:57:51,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:51,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:51,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:57:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:51,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:57:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:57:51,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:57:51,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:57:51,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:51,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:57:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:51,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:57:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:57:51,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:57:51,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:57:51,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:57:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:51,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:57:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 11:57:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:51,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:51,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:57:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:57:51,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:51,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:57:51,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 11:57:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:51,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:51,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 11:57:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:57:51,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:51,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 11:57:51,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:57:51,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:57:51,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:57:51,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:57:51,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:57:51,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:57:51,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:57:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:57:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:57:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:57:51,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:57:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:57:51,933 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1539030840] [2020-10-13 11:57:51,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:57:51,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:57:51,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765449183] [2020-10-13 11:57:51,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:57:51,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:57:51,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:57:51,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:57:51,935 INFO L87 Difference]: Start difference. First operand 622 states and 853 transitions. Second operand 12 states. [2020-10-13 11:57:56,047 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-13 11:58:13,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:58:13,315 INFO L93 Difference]: Finished difference Result 1879 states and 2882 transitions. [2020-10-13 11:58:13,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:58:13,316 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 172 [2020-10-13 11:58:13,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:58:13,327 INFO L225 Difference]: With dead ends: 1879 [2020-10-13 11:58:13,327 INFO L226 Difference]: Without dead ends: 1331 [2020-10-13 11:58:13,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:58:13,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2020-10-13 11:58:13,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 705. [2020-10-13 11:58:13,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-10-13 11:58:13,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 992 transitions. [2020-10-13 11:58:13,640 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 992 transitions. Word has length 172 [2020-10-13 11:58:13,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:58:13,640 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 992 transitions. [2020-10-13 11:58:13,640 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:58:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 992 transitions. [2020-10-13 11:58:13,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-13 11:58:13,644 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:58:13,644 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:58:13,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:58:13,645 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:58:13,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:58:13,645 INFO L82 PathProgramCache]: Analyzing trace with hash -2049290535, now seen corresponding path program 2 times [2020-10-13 11:58:13,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:58:13,646 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [758813874] [2020-10-13 11:58:13,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:58:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:13,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:13,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:13,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:14,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:14,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:18,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:18,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-13 11:58:18,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:58:18,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-13 11:58:18,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:58:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 127 [2020-10-13 11:58:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:58:18,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:20,110 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-13 11:58:20,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:58:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:20,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:20,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:20,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:20,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:20,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:58:20,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:20,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:20,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:20,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:20,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:20,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:20,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:20,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:20,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:20,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:20,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:20,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:58:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:20,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:20,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:20,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:20,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:20,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:20,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:20,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:20,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:20,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:58:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:20,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:20,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:20,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:20,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:20,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:20,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:20,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:20,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:20,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:20,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:20,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:58:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:20,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:20,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:20,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:20,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:20,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:58:25,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:58:25,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4800 [2020-10-13 11:58:25,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:25,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:25,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:25,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:25,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:25,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:58:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:25,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:25,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:25,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:25,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:25,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:58:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:25,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:25,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:25,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:25,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:58:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:58:25,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:25,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:58:25,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:58:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:58:25,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:25,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:58:25,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:25,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:25,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:58:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:25,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:25,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 11:58:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:58:25,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:58:25,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 11:58:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 11:58:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:25,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:25,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 11:58:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:25,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:25,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:25,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:25,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:25,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:25,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:58:25,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [758813874] [2020-10-13 11:58:25,342 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:58:25,342 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:58:25,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087556135] [2020-10-13 11:58:25,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:58:25,344 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:58:25,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:58:25,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:58:25,344 INFO L87 Difference]: Start difference. First operand 705 states and 992 transitions. Second operand 12 states. [2020-10-13 11:58:30,920 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-13 11:58:46,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:58:46,500 INFO L93 Difference]: Finished difference Result 1924 states and 2951 transitions. [2020-10-13 11:58:46,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 11:58:46,501 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 173 [2020-10-13 11:58:46,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:58:46,511 INFO L225 Difference]: With dead ends: 1924 [2020-10-13 11:58:46,511 INFO L226 Difference]: Without dead ends: 1331 [2020-10-13 11:58:46,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2020-10-13 11:58:46,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1331 states. [2020-10-13 11:58:46,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1331 to 705. [2020-10-13 11:58:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2020-10-13 11:58:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 990 transitions. [2020-10-13 11:58:46,873 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 990 transitions. Word has length 173 [2020-10-13 11:58:46,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:58:46,875 INFO L479 AbstractCegarLoop]: Abstraction has 705 states and 990 transitions. [2020-10-13 11:58:46,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 11:58:46,875 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 990 transitions. [2020-10-13 11:58:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-13 11:58:46,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:58:46,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:58:46,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:58:46,880 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:58:46,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:58:46,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1050731222, now seen corresponding path program 1 times [2020-10-13 11:58:46,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:58:46,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1663814210] [2020-10-13 11:58:46,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:58:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:46,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:47,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:47,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:47,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:47,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:47,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:47,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:48,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:48,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:48,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:48,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:48,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:48,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:51,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:51,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 249 [2020-10-13 11:58:51,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 11:58:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-13 11:58:51,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:58:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:58:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:58:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:53,372 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 556 [2020-10-13 11:58:53,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:58:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:53,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:53,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:53,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:53,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:53,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-13 11:58:53,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:53,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:53,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:53,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:53,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:53,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:53,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:53,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:53,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:53,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:53,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:53,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:53,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:53,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:58:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:53,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:53,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:53,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:58:53,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:53,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:53,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:53,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:53,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:53,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:58:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:53,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:53,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:53,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:58:53,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:53,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:53,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:53,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:53,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:53,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:53,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:58:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:53,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:53,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:53,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:53,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:54,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:58:57,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:58:57,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4213 [2020-10-13 11:58:57,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:57,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:57,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:57,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:58:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:57,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:57,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:57,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:57,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:57,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:58:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:58:57,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:58:57,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:58:57,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:58:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:58:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:58:57,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:57,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:58:57,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:58:57,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:58:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:58:57,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:58:57,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-13 11:58:57,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:58:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:57,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:58:57,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:58:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:57,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:57,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 11:58:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:58:57,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:58:57,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-13 11:58:57,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 11:58:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:57,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:57,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 11:58:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:57,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:57,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 11:58:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:58:57,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:58:57,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:58:57,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:58:57,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:58:57,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:58:57,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:58:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:58:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:58:57,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:58:57,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:58:57,974 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:58:57,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1663814210] [2020-10-13 11:58:57,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:58:57,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-10-13 11:58:57,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563824032] [2020-10-13 11:58:57,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 11:58:57,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:58:57,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 11:58:57,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-13 11:58:57,976 INFO L87 Difference]: Start difference. First operand 705 states and 990 transitions. Second operand 12 states. [2020-10-13 11:59:01,533 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 559