/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_spec0_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:41:57,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:41:57,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:41:57,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:41:57,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:41:57,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:41:57,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:41:57,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:41:57,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:41:57,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:41:57,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:41:57,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:41:57,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:41:57,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:41:57,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:41:57,507 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:41:57,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:41:57,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:41:57,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:41:57,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:41:57,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:41:57,516 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:41:57,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:41:57,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:41:57,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:41:57,521 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:41:57,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:41:57,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:41:57,523 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:41:57,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:41:57,524 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:41:57,525 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:41:57,526 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:41:57,527 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:41:57,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:41:57,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:41:57,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:41:57,529 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:41:57,529 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:41:57,530 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:41:57,531 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:41:57,532 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 11:41:57,556 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:41:57,556 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:41:57,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:41:57,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:41:57,558 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:41:57,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:41:57,558 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:41:57,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:41:57,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:41:57,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:41:57,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:41:57,559 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:41:57,559 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:41:57,559 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:41:57,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:41:57,560 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:41:57,560 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:41:57,560 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:41:57,560 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:41:57,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:41:57,561 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:41:57,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:41:57,561 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:41:57,561 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:41:57,562 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:41:57,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:41:57,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:41:57,562 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:41:57,563 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:41:57,563 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 11:41:57,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:41:57,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:41:57,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:41:57,907 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:41:57,908 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:41:57,908 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product09.cil.c [2020-10-13 11:41:57,967 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e75361ae9/927044b85c5343f0be3f43d214882db1/FLAG883eb4108 [2020-10-13 11:41:58,668 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:41:58,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec0_product09.cil.c [2020-10-13 11:41:58,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e75361ae9/927044b85c5343f0be3f43d214882db1/FLAG883eb4108 [2020-10-13 11:41:58,809 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e75361ae9/927044b85c5343f0be3f43d214882db1 [2020-10-13 11:41:58,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:41:58,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:41:58,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:41:58,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:41:58,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:41:58,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:41:58" (1/1) ... [2020-10-13 11:41:58,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcf94a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:58, skipping insertion in model container [2020-10-13 11:41:58,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:41:58" (1/1) ... [2020-10-13 11:41:58,845 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:41:58,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:41:59,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:41:59,566 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:41:59,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:41:59,750 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:41:59,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59 WrapperNode [2020-10-13 11:41:59,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:41:59,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:41:59,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:41:59,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:41:59,767 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59" (1/1) ... [2020-10-13 11:41:59,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59" (1/1) ... [2020-10-13 11:41:59,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59" (1/1) ... [2020-10-13 11:41:59,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59" (1/1) ... [2020-10-13 11:41:59,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59" (1/1) ... [2020-10-13 11:41:59,918 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59" (1/1) ... [2020-10-13 11:41:59,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59" (1/1) ... [2020-10-13 11:41:59,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:41:59,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:41:59,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:41:59,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:41:59,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59" (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 11:42:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:42:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:42:00,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:42:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:42:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:42:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:42:00,046 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:42:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:42:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-13 11:42:00,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-13 11:42:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-13 11:42:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-13 11:42:00,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-13 11:42:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:42:00,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:42:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-13 11:42:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-13 11:42:00,051 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-13 11:42:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-13 11:42:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-13 11:42:00,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-13 11:42:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-13 11:42:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-13 11:42:00,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-13 11:42:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-13 11:42:00,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-13 11:42:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-13 11:42:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-13 11:42:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-13 11:42:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-13 11:42:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-13 11:42:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-13 11:42:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-13 11:42:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-13 11:42:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-13 11:42:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-13 11:42:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-13 11:42:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-13 11:42:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:42:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:42:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:42:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:42:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:42:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:42:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-13 11:42:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-13 11:42:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-13 11:42:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-13 11:42:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-13 11:42:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-13 11:42:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-13 11:42:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-13 11:42:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-13 11:42:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-13 11:42:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-13 11:42:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-13 11:42:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-13 11:42:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-13 11:42:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-13 11:42:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-13 11:42:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-13 11:42:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-13 11:42:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-13 11:42:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-13 11:42:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-13 11:42:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-13 11:42:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-13 11:42:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-13 11:42:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-13 11:42:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-13 11:42:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-13 11:42:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-13 11:42:00,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-13 11:42:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-13 11:42:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Base [2020-10-13 11:42:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-13 11:42:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-13 11:42:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-13 11:42:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-13 11:42:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-13 11:42:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-13 11:42:00,069 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-13 11:42:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-13 11:42:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-13 11:42:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-13 11:42:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-13 11:42:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-13 11:42:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-13 11:42:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-13 11:42:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-13 11:42:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-13 11:42:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-13 11:42:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:42:00,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2020-10-13 11:42:00,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:42:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:42:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-13 11:42:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-13 11:42:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-13 11:42:00,073 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:42:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:42:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:42:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:42:00,074 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:42:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:42:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-13 11:42:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-13 11:42:00,075 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-13 11:42:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-13 11:42:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-13 11:42:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-13 11:42:00,076 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-13 11:42:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-13 11:42:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-13 11:42:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-13 11:42:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-13 11:42:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-13 11:42:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-13 11:42:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-13 11:42:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-13 11:42:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:42:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:42:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:42:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-13 11:42:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-13 11:42:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-13 11:42:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-13 11:42:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-13 11:42:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-13 11:42:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-13 11:42:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-13 11:42:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-13 11:42:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-13 11:42:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-13 11:42:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-13 11:42:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-13 11:42:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-13 11:42:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-13 11:42:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-13 11:42:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-13 11:42:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-13 11:42:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-13 11:42:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-13 11:42:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-13 11:42:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:42:00,099 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:42:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:42:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:42:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:42:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:42:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:42:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:42:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:42:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:42:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:42:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:42:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:42:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:42:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:42:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:42:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-13 11:42:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-13 11:42:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-13 11:42:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-13 11:42:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-13 11:42:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-13 11:42:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-13 11:42:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-13 11:42:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-13 11:42:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-13 11:42:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-13 11:42:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-13 11:42:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-13 11:42:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-13 11:42:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-13 11:42:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-13 11:42:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-13 11:42:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-13 11:42:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-13 11:42:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-13 11:42:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-13 11:42:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-13 11:42:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-13 11:42:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-13 11:42:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-13 11:42:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-13 11:42:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-13 11:42:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-13 11:42:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-13 11:42:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-13 11:42:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-13 11:42:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-13 11:42:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-13 11:42:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Base [2020-10-13 11:42:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-13 11:42:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2020-10-13 11:42:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-13 11:42:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-13 11:42:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-13 11:42:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:42:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:42:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:42:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:42:01,837 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:42:01,837 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 11:42:01,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:42:01 BoogieIcfgContainer [2020-10-13 11:42:01,844 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:42:01,846 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:42:01,846 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:42:01,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:42:01,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:41:58" (1/3) ... [2020-10-13 11:42:01,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d98097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:42:01, skipping insertion in model container [2020-10-13 11:42:01,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:41:59" (2/3) ... [2020-10-13 11:42:01,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55d98097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:42:01, skipping insertion in model container [2020-10-13 11:42:01,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:42:01" (3/3) ... [2020-10-13 11:42:01,854 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product09.cil.c [2020-10-13 11:42:01,867 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:42:01,876 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:42:01,890 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:42:01,918 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:42:01,918 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:42:01,918 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:42:01,918 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:42:01,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:42:01,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:42:01,919 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:42:01,919 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:42:01,945 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states. [2020-10-13 11:42:01,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-13 11:42:01,962 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:01,963 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-13 11:42:01,964 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:01,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:01,971 INFO L82 PathProgramCache]: Analyzing trace with hash -2004668171, now seen corresponding path program 1 times [2020-10-13 11:42:01,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:01,981 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146267337] [2020-10-13 11:42:01,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:02,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:02,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:04,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:07,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:07,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-13 11:42:07,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:07,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5045 [2020-10-13 11:42:07,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:07,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:07,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 11:42:07,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:07,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:42:09,277 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:42:09,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:09,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-13 11:42:09,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:09,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:09,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:09,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:09,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:09,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:09,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:09,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:09,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:09,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:09,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:09,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:09,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:09,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:09,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:42:10,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:42:10,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 812 [2020-10-13 11:42:10,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:42:10,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:42:10,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:10,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:42:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:42:10,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:42:10,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:10,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:42:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:42:10,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:42:10,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 11:42:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:42:10,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:42:10,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:42:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:10,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:42:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:10,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 11:42:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:10,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 11:42:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:10,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:10,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:42:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:10,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:42:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:42:10,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:42:10,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:42:10,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:10,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:10,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 11:42:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:10,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:42:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:10,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:10,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:10,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 11:42:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:10,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:10,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:10,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:10,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:10,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:10,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:10,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:42:10,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:10,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:10,683 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 11:42:10,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146267337] [2020-10-13 11:42:10,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:10,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:42:10,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279136557] [2020-10-13 11:42:10,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:42:10,697 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:10,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:42:10,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:42:10,722 INFO L87 Difference]: Start difference. First operand 321 states. Second operand 8 states. [2020-10-13 11:42:19,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:19,195 INFO L93 Difference]: Finished difference Result 700 states and 1042 transitions. [2020-10-13 11:42:19,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:42:19,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 139 [2020-10-13 11:42:19,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:19,218 INFO L225 Difference]: With dead ends: 700 [2020-10-13 11:42:19,218 INFO L226 Difference]: Without dead ends: 466 [2020-10-13 11:42:19,224 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-13 11:42:19,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-10-13 11:42:19,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 302. [2020-10-13 11:42:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-10-13 11:42:19,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 404 transitions. [2020-10-13 11:42:19,421 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 404 transitions. Word has length 139 [2020-10-13 11:42:19,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:19,422 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 404 transitions. [2020-10-13 11:42:19,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:42:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 404 transitions. [2020-10-13 11:42:19,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 11:42:19,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:19,427 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2020-10-13 11:42:19,428 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:42:19,428 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:19,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:19,429 INFO L82 PathProgramCache]: Analyzing trace with hash 406491855, now seen corresponding path program 1 times [2020-10-13 11:42:19,429 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:19,429 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [595006967] [2020-10-13 11:42:19,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:19,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:19,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:19,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:20,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:21,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:24,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:24,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 11:42:24,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:24,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:42:24,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:24,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:24,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-13 11:42:24,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:42:24,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:25,684 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:42:25,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:25,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:25,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:25,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:25,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:25,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 11:42:25,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:25,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:25,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:25,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:25,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:25,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:25,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:25,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:25,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:25,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:25,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:25,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:25,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:25,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:25,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:25,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:25,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:25,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:25,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:42:25,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:25,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:25,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:42:25,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:25,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:25,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:25,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:25,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:25,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:25,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:25,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:25,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:25,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:25,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:25,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:25,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:42:26,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:42:26,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 322 [2020-10-13 11:42:26,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:26,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:42:26,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:26,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:26,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:42:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:42:26,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:26,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:26,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:42:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:42:26,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:26,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:26,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 11:42:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:42:26,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:42:26,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:42:26,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:42:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:42:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 11:42:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:26,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:42:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:42:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:42:26,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:26,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:42:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:26,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 11:42:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:26,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:42:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:26,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:26,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:42:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:26,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:26,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:26,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:26,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:26,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:26,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:42:26,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:26,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 11:42:26,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [595006967] [2020-10-13 11:42:26,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:42:26,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:42:26,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208949523] [2020-10-13 11:42:26,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:42:26,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:26,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:42:26,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:42:26,427 INFO L87 Difference]: Start difference. First operand 302 states and 404 transitions. Second operand 9 states. [2020-10-13 11:42:28,460 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:42:34,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:34,573 INFO L93 Difference]: Finished difference Result 643 states and 911 transitions. [2020-10-13 11:42:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:42:34,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 140 [2020-10-13 11:42:34,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:34,583 INFO L225 Difference]: With dead ends: 643 [2020-10-13 11:42:34,583 INFO L226 Difference]: Without dead ends: 469 [2020-10-13 11:42:34,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-10-13 11:42:34,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2020-10-13 11:42:34,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 304. [2020-10-13 11:42:34,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-13 11:42:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 406 transitions. [2020-10-13 11:42:34,719 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 406 transitions. Word has length 140 [2020-10-13 11:42:34,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:34,720 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 406 transitions. [2020-10-13 11:42:34,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:42:34,720 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 406 transitions. [2020-10-13 11:42:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 11:42:34,723 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:34,723 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:42:34,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:42:34,723 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:34,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:34,724 INFO L82 PathProgramCache]: Analyzing trace with hash 356181584, now seen corresponding path program 1 times [2020-10-13 11:42:34,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:34,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193652002] [2020-10-13 11:42:34,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:34,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:34,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:34,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:36,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:36,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:39,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:39,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-13 11:42:39,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:42:39,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 11:42:39,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:39,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:42:39,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-13 11:42:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:42:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,078 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:42:41,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:41,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 11:42:41,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:41,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:41,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:41,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:41,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:41,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:41,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:41,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:41,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:41,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:42:41,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:42:41,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 419 [2020-10-13 11:42:41,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:41,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:41,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:42:41,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:41,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:41,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:41,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:42:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:42:41,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:41,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:41,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:41,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:42:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:42:41,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:41,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:41,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 11:42:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:42:41,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:42:41,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:42:41,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:41,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:41,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:41,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 11:42:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:41,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 11:42:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:41,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:41,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:42:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:41,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:41,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:42:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:41,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:41,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 11:42:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:42:41,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:42:41,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:42:41,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:42:41,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:41,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:41,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:42:41,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:42:41,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:41,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:42:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:42:41,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:41,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:42:41,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:42:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:41,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:41,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:41,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:41,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:41,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:42:41,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:41,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:42:41,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:41,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:42:41,951 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 11:42:41,952 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193652002] [2020-10-13 11:42:41,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:42:41,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 11:42:41,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438094172] [2020-10-13 11:42:41,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:42:41,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:42:41,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:42:41,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:42:41,955 INFO L87 Difference]: Start difference. First operand 304 states and 406 transitions. Second operand 10 states. [2020-10-13 11:42:44,959 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:42:46,171 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:42:53,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:42:53,325 INFO L93 Difference]: Finished difference Result 678 states and 973 transitions. [2020-10-13 11:42:53,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 11:42:53,331 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-10-13 11:42:53,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:42:53,337 INFO L225 Difference]: With dead ends: 678 [2020-10-13 11:42:53,337 INFO L226 Difference]: Without dead ends: 504 [2020-10-13 11:42:53,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:42:53,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-10-13 11:42:53,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 333. [2020-10-13 11:42:53,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2020-10-13 11:42:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 459 transitions. [2020-10-13 11:42:53,467 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 459 transitions. Word has length 145 [2020-10-13 11:42:53,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:42:53,467 INFO L479 AbstractCegarLoop]: Abstraction has 333 states and 459 transitions. [2020-10-13 11:42:53,468 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:42:53,468 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 459 transitions. [2020-10-13 11:42:53,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-13 11:42:53,470 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:42:53,470 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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] [2020-10-13 11:42:53,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:42:53,471 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:42:53,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:42:53,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1231578257, now seen corresponding path program 2 times [2020-10-13 11:42:53,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:42:53,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [215379062] [2020-10-13 11:42:53,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:42:53,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:53,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:53,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:53,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:53,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:56,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:57,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:58,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:58,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-13 11:42:58,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:42:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-13 11:42:58,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:42:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 11:42:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:42:58,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:59,780 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:42:59,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:42:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:59,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:59,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:59,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:59,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:59,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:42:59,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:59,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:59,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:59,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:42:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:59,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:59,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:59,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:59,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:59,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:59,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:59,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:59,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:59,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:59,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:59,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:42:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:59,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:59,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:59,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:42:59,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:59,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:59,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:59,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:59,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:59,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:59,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:42:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:59,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:59,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:42:59,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:42:59,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:42:59,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:42:59,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:42:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:42:59,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:42:59,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:42:59,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:42:59,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:42:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:42:59,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:59,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:42:59,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:43:00,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:43:00,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 302 [2020-10-13 11:43:00,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:00,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:00,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:00,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:43:00,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:43:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:00,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:00,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:43:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:00,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:00,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:43:00,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 11:43:00,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:43:00,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:43:00,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:43:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:43:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:43:00,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 11:43:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:00,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 11:43:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:00,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:43:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 11:43:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:00,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:43:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:43:00,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:00,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:43:00,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:00,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 11:43:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:43:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:00,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:00,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 11:43:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:00,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:00,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:00,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:00,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:00,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:00,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:43:00,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:00,439 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-13 11:43:00,440 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [215379062] [2020-10-13 11:43:00,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:43:00,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:43:00,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303571852] [2020-10-13 11:43:00,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:43:00,441 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:43:00,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:43:00,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:43:00,442 INFO L87 Difference]: Start difference. First operand 333 states and 459 transitions. Second operand 9 states. [2020-10-13 11:43:02,563 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:43:09,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:43:09,141 INFO L93 Difference]: Finished difference Result 815 states and 1214 transitions. [2020-10-13 11:43:09,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:43:09,141 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2020-10-13 11:43:09,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:43:09,149 INFO L225 Difference]: With dead ends: 815 [2020-10-13 11:43:09,150 INFO L226 Difference]: Without dead ends: 561 [2020-10-13 11:43:09,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:43:09,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-13 11:43:09,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 363. [2020-10-13 11:43:09,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-10-13 11:43:09,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 512 transitions. [2020-10-13 11:43:09,326 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 512 transitions. Word has length 150 [2020-10-13 11:43:09,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:43:09,327 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 512 transitions. [2020-10-13 11:43:09,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:43:09,327 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 512 transitions. [2020-10-13 11:43:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 11:43:09,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:43:09,330 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-13 11:43:09,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:43:09,330 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:43:09,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:43:09,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1822630430, now seen corresponding path program 1 times [2020-10-13 11:43:09,331 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:43:09,331 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1954228091] [2020-10-13 11:43:09,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:43:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:09,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:09,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:09,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:09,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:10,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:11,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:12,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:14,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:14,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 11:43:14,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:43:14,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 11:43:14,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:43:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-13 11:43:14,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:43:14,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,573 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:43:15,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:43:15,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:15,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:43:15,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:15,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:43:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:15,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:43:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:15,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:43:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:43:15,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:43:15,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-13 11:43:15,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:15,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:15,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:43:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:15,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:15,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:43:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:15,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:15,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:15,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 11:43:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:43:15,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:43:15,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:43:15,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:15,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:15,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:43:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:15,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:43:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:15,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:43:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:15,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:43:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:15,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:43:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:43:15,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:15,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:43:15,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:15,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:15,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 11:43:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:15,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:43:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:15,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:15,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:15,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 11:43:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:15,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:15,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:15,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:15,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:15,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:15,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:15,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:15,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:43:15,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:15,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-13 11:43:15,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1954228091] [2020-10-13 11:43:15,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:43:15,997 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:43:15,997 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551288736] [2020-10-13 11:43:15,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:43:15,998 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:43:15,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:43:15,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:43:15,998 INFO L87 Difference]: Start difference. First operand 363 states and 512 transitions. Second operand 9 states. [2020-10-13 11:43:18,157 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:43:25,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:43:25,748 INFO L93 Difference]: Finished difference Result 869 states and 1311 transitions. [2020-10-13 11:43:25,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:43:25,748 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 151 [2020-10-13 11:43:25,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:43:25,754 INFO L225 Difference]: With dead ends: 869 [2020-10-13 11:43:25,754 INFO L226 Difference]: Without dead ends: 561 [2020-10-13 11:43:25,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:43:25,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2020-10-13 11:43:25,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 363. [2020-10-13 11:43:25,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2020-10-13 11:43:25,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 510 transitions. [2020-10-13 11:43:25,876 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 510 transitions. Word has length 151 [2020-10-13 11:43:25,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:43:25,876 INFO L479 AbstractCegarLoop]: Abstraction has 363 states and 510 transitions. [2020-10-13 11:43:25,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:43:25,876 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 510 transitions. [2020-10-13 11:43:25,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-13 11:43:25,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:43:25,878 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-13 11:43:25,879 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:43:25,879 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:43:25,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:43:25,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1207067390, now seen corresponding path program 2 times [2020-10-13 11:43:25,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:43:25,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [86634502] [2020-10-13 11:43:25,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:43:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:25,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:25,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:26,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:26,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:30,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:30,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 11:43:30,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:43:30,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:43:30,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:43:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 61 [2020-10-13 11:43:30,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:43:30,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,122 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:43:32,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:43:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:32,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-13 11:43:32,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:32,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:32,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:43:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:32,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:32,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:43:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:32,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:32,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:43:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:43:32,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:43:32,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 118 [2020-10-13 11:43:32,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:43:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:43:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:43:32,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:32,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:43:32,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:32,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:43:32,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:32,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:43:32,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:43:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:43:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:43:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:43:32,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:43:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:43:32,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:43:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:32,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:32,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 11:43:32,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:32,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 11:43:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:43:32,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:43:32,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:43:32,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:32,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:32,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:43:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:32,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:32,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:43:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:32,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:32,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:43:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:32,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:32,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:43:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:32,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:32,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:43:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:43:32,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:32,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:43:32,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:32,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:32,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:32,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:32,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 11:43:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:32,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:32,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:43:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:32,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:32,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:32,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 11:43:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:32,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:32,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:32,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:32,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:32,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:32,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:43:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:32,671 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-13 11:43:32,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [86634502] [2020-10-13 11:43:32,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:43:32,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 11:43:32,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057213393] [2020-10-13 11:43:32,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:43:32,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:43:32,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:43:32,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:43:32,673 INFO L87 Difference]: Start difference. First operand 363 states and 510 transitions. Second operand 13 states. [2020-10-13 11:43:34,649 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:43:36,026 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 513 [2020-10-13 11:43:37,229 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 516 [2020-10-13 11:43:38,456 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 516 [2020-10-13 11:43:45,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:43:45,852 INFO L93 Difference]: Finished difference Result 905 states and 1350 transitions. [2020-10-13 11:43:45,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:43:45,853 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 151 [2020-10-13 11:43:45,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:43:45,858 INFO L225 Difference]: With dead ends: 905 [2020-10-13 11:43:45,858 INFO L226 Difference]: Without dead ends: 571 [2020-10-13 11:43:45,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:43:45,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-10-13 11:43:45,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 371. [2020-10-13 11:43:45,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2020-10-13 11:43:45,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 520 transitions. [2020-10-13 11:43:45,987 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 520 transitions. Word has length 151 [2020-10-13 11:43:45,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:43:45,988 INFO L479 AbstractCegarLoop]: Abstraction has 371 states and 520 transitions. [2020-10-13 11:43:45,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:43:45,988 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 520 transitions. [2020-10-13 11:43:45,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-10-13 11:43:45,990 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:43:45,990 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 11:43:45,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:43:45,991 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:43:45,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:43:45,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1082920650, now seen corresponding path program 1 times [2020-10-13 11:43:45,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:43:45,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1003142807] [2020-10-13 11:43:45,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:43:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:46,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:46,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:46,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:47,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:47,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:47,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:51,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:51,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-13 11:43:51,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:43:51,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:43:51,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:51,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:43:51,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:43:51,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:43:51,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,202 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:43:52,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:43:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:52,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-13 11:43:52,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:52,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:52,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:43:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:43:52,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:52,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:43:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:52,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:52,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:43:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 11:43:52,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:43:52,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:43:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:43:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:43:52,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:52,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:52,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:52,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:43:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:43:52,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:43:52,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:43:52,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:52,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:43:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:43:52,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:43:52,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:43:52,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:43:52,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:43:52,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:52,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-13 11:43:52,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:43:52,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:43:52,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 11:43:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:43:52,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:43:52,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:43:52,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:52,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:43:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:52,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 11:43:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:52,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:43:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:52,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:43:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:52,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:52,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:43:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:52,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 11:43:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:43:52,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:52,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:43:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:43:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:52,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:52,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:43:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:43:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:52,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:52,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:43:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:43:52,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:43:52,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:43:52,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 11:43:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:43:52,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:43:52,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:43:52,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:43:52,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:43:52,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:43:52,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:43:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:43:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:43:52,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:43:52,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:43:52,654 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-13 11:43:52,654 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1003142807] [2020-10-13 11:43:52,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:43:52,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:43:52,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45252321] [2020-10-13 11:43:52,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:43:52,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:43:52,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:43:52,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:43:52,656 INFO L87 Difference]: Start difference. First operand 371 states and 520 transitions. Second operand 13 states. [2020-10-13 11:43:54,771 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:43:56,502 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 513 [2020-10-13 11:43:57,748 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 516 [2020-10-13 11:43:59,014 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 516 [2020-10-13 11:44:07,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:44:07,705 INFO L93 Difference]: Finished difference Result 903 states and 1344 transitions. [2020-10-13 11:44:07,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:44:07,706 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 152 [2020-10-13 11:44:07,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:44:07,710 INFO L225 Difference]: With dead ends: 903 [2020-10-13 11:44:07,710 INFO L226 Difference]: Without dead ends: 577 [2020-10-13 11:44:07,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:44:07,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2020-10-13 11:44:07,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 375. [2020-10-13 11:44:07,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-10-13 11:44:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 524 transitions. [2020-10-13 11:44:07,874 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 524 transitions. Word has length 152 [2020-10-13 11:44:07,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:44:07,875 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 524 transitions. [2020-10-13 11:44:07,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:44:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 524 transitions. [2020-10-13 11:44:07,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-10-13 11:44:07,878 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:44:07,878 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 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] [2020-10-13 11:44:07,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:44:07,879 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:44:07,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:44:07,879 INFO L82 PathProgramCache]: Analyzing trace with hash -634684562, now seen corresponding path program 2 times [2020-10-13 11:44:07,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:44:07,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1388883053] [2020-10-13 11:44:07,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:44:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:07,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:08,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:08,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:09,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:09,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:09,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:12,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:12,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-13 11:44:12,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:44:12,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 11:44:12,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:12,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:44:12,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:44:12,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:44:12,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,185 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:44:14,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:44:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:14,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:44:14,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:44:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:14,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:14,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:44:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:14,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:14,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:44:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:14,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:14,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:44:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 11:44:14,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-13 11:44:14,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:44:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:44:14,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:44:14,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:44:14,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:14,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:14,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:14,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:44:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:44:14,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:44:14,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:44:14,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:14,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:44:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:44:14,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:44:14,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:44:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:44:14,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:44:14,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:14,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:44:14,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:44:14,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:44:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:44:14,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 11:44:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:44:14,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-13 11:44:14,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:44:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:14,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:14,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:44:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:14,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:14,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 11:44:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:14,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:14,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:14,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:44:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:14,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:14,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:14,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:44:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:14,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:14,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:14,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 11:44:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:14,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:14,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:14,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:44:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:44:14,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:14,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:44:14,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:14,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:14,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:14,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 11:44:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:14,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:14,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:14,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 11:44:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:14,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:14,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:14,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 11:44:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:14,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:14,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:14,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:14,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:14,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:14,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:14,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:44:14,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:14,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-13 11:44:14,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1388883053] [2020-10-13 11:44:14,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:44:14,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:44:14,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879545648] [2020-10-13 11:44:14,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:44:14,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:44:14,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:44:14,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:44:14,687 INFO L87 Difference]: Start difference. First operand 375 states and 524 transitions. Second operand 13 states. [2020-10-13 11:44:16,571 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 521 [2020-10-13 11:44:18,261 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 513 [2020-10-13 11:44:19,493 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 516 [2020-10-13 11:44:20,809 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-13 11:44:28,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:44:28,673 INFO L93 Difference]: Finished difference Result 903 states and 1343 transitions. [2020-10-13 11:44:28,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:44:28,674 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 153 [2020-10-13 11:44:28,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:44:28,679 INFO L225 Difference]: With dead ends: 903 [2020-10-13 11:44:28,679 INFO L226 Difference]: Without dead ends: 579 [2020-10-13 11:44:28,681 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:44:28,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2020-10-13 11:44:28,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 375. [2020-10-13 11:44:28,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-10-13 11:44:28,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 523 transitions. [2020-10-13 11:44:28,899 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 523 transitions. Word has length 153 [2020-10-13 11:44:28,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:44:28,900 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 523 transitions. [2020-10-13 11:44:28,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:44:28,900 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 523 transitions. [2020-10-13 11:44:28,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 11:44:28,902 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:44:28,902 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-13 11:44:28,903 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 11:44:28,903 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:44:28,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:44:28,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1463532027, now seen corresponding path program 1 times [2020-10-13 11:44:28,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:44:28,904 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233593516] [2020-10-13 11:44:28,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:44:28,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:28,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:29,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:29,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:29,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:32,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:33,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:33,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 224 [2020-10-13 11:44:33,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:44:33,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-13 11:44:33,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:33,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:44:33,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:44:33,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:44:33,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,177 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:44:35,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:44:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:35,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:44:35,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:44:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:35,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:44:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:35,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:44:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:35,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:44:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:44:35,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:44:35,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:44:35,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:44:35,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:35,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:35,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:44:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:44:35,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:44:35,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:44:35,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:35,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:44:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:44:35,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:44:35,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:44:35,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:35,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 11:44:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:44:35,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:44:35,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:44:35,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:35,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:44:35,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:35,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:35,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 11:44:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:35,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:35,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:44:35,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:35,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:35,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:44:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:35,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:35,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 11:44:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:35,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:35,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:44:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:44:35,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:35,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:44:35,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:35,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:35,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 11:44:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:35,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:35,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:44:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:35,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:35,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 11:44:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:35,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:35,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:35,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:35,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:35,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:35,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:35,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:35,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:44:35,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:35,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:35,471 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:44:35,471 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233593516] [2020-10-13 11:44:35,471 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:44:35,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 11:44:35,472 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856528772] [2020-10-13 11:44:35,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:44:35,472 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:44:35,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:44:35,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:44:35,473 INFO L87 Difference]: Start difference. First operand 375 states and 523 transitions. Second operand 11 states. [2020-10-13 11:44:37,699 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:44:38,891 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:44:40,161 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:44:48,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:44:48,491 INFO L93 Difference]: Finished difference Result 846 states and 1263 transitions. [2020-10-13 11:44:48,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:44:48,492 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 154 [2020-10-13 11:44:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:44:48,498 INFO L225 Difference]: With dead ends: 846 [2020-10-13 11:44:48,498 INFO L226 Difference]: Without dead ends: 672 [2020-10-13 11:44:48,499 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=136, Invalid=244, Unknown=0, NotChecked=0, Total=380 [2020-10-13 11:44:48,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2020-10-13 11:44:48,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 432. [2020-10-13 11:44:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-10-13 11:44:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 625 transitions. [2020-10-13 11:44:48,684 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 625 transitions. Word has length 154 [2020-10-13 11:44:48,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:44:48,685 INFO L479 AbstractCegarLoop]: Abstraction has 432 states and 625 transitions. [2020-10-13 11:44:48,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:44:48,685 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 625 transitions. [2020-10-13 11:44:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-13 11:44:48,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:44:48,688 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:44:48,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 11:44:48,688 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:44:48,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:44:48,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1279986847, now seen corresponding path program 1 times [2020-10-13 11:44:48,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:44:48,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017020376] [2020-10-13 11:44:48,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:44:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:48,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:48,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:48,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:48,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:48,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:49,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:49,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:49,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:49,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:49,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:49,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:49,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:50,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:50,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:53,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:53,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 226 [2020-10-13 11:44:53,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 11:44:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:44:53,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:44:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:44:53,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:44:53,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:54,920 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:44:54,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:44:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:54,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:54,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:54,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:54,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:54,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:44:54,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:54,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:54,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:54,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:44:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:54,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:54,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:54,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:54,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:54,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:54,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:54,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:54,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:54,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:54,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:44:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:54,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:54,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:54,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:44:54,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:54,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:54,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:54,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:54,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:54,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:54,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:54,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:44:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:54,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:54,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:54,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:54,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:54,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:54,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:54,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:54,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:44:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:54,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:54,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:54,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:44:54,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:44:54,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:54,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:54,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:44:55,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:55,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:55,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:44:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:44:55,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:55,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:44:55,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:55,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:44:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:44:55,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:55,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:44:55,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:55,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:44:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:44:55,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:44:55,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:44:55,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:55,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:55,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:44:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:55,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:55,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:44:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:55,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:55,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:44:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:55,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:55,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:44:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:55,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:55,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 11:44:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:55,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:55,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:44:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:44:55,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:44:55,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:44:55,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:44:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:55,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:44:55,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:44:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:55,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:55,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 11:44:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:44:55,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:44:55,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 11:44:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:44:55,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:44:55,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:44:55,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:44:55,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:44:55,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:44:55,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:44:55,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:44:55,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:44:55,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:44:55,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:44:55,175 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:44:55,175 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017020376] [2020-10-13 11:44:55,175 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:44:55,175 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:44:55,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404461826] [2020-10-13 11:44:55,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:44:55,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:44:55,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:44:55,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:44:55,177 INFO L87 Difference]: Start difference. First operand 432 states and 625 transitions. Second operand 9 states. [2020-10-13 11:44:57,141 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:45:05,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:45:05,854 INFO L93 Difference]: Finished difference Result 1172 states and 1846 transitions. [2020-10-13 11:45:05,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:45:05,855 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 156 [2020-10-13 11:45:05,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:45:05,861 INFO L225 Difference]: With dead ends: 1172 [2020-10-13 11:45:05,861 INFO L226 Difference]: Without dead ends: 813 [2020-10-13 11:45:05,863 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:45:05,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2020-10-13 11:45:06,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 519. [2020-10-13 11:45:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2020-10-13 11:45:06,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 774 transitions. [2020-10-13 11:45:06,179 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 774 transitions. Word has length 156 [2020-10-13 11:45:06,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:45:06,179 INFO L479 AbstractCegarLoop]: Abstraction has 519 states and 774 transitions. [2020-10-13 11:45:06,179 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:45:06,180 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 774 transitions. [2020-10-13 11:45:06,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 11:45:06,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:45:06,181 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:45:06,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 11:45:06,182 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:45:06,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:45:06,182 INFO L82 PathProgramCache]: Analyzing trace with hash 205527229, now seen corresponding path program 1 times [2020-10-13 11:45:06,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:45:06,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [481657791] [2020-10-13 11:45:06,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:45:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:06,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:06,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:06,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:06,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:06,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:06,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:06,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:06,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:06,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:06,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:07,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:07,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:11,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:11,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 227 [2020-10-13 11:45:11,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 11:45:11,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 11:45:11,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:45:11,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:45:11,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:45:11,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,454 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:45:12,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:45:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:12,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:45:12,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:45:12,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:45:12,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:45:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:45:12,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:45:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:45:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:45:12,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:45:12,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:45:12,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:12,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:12,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:45:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:45:12,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:12,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:45:12,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:45:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:45:12,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:45:12,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:45:12,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:12,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:45:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:45:12,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:45:12,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:45:12,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:12,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:12,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:45:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:12,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:12,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 11:45:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:12,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:12,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:45:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:12,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 11:45:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:12,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:45:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:12,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:12,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:45:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:45:12,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:12,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:45:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:12,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:45:12,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:12,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:12,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:45:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:12,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:12,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 11:45:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:12,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:12,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:12,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:12,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:12,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:12,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:12,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:12,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:45:12,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:12,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:45:12,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [481657791] [2020-10-13 11:45:12,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:45:12,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:45:12,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132980435] [2020-10-13 11:45:12,724 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:45:12,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:45:12,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:45:12,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:45:12,725 INFO L87 Difference]: Start difference. First operand 519 states and 774 transitions. Second operand 9 states. [2020-10-13 11:45:14,887 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 514 [2020-10-13 11:45:22,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:45:22,031 INFO L93 Difference]: Finished difference Result 1499 states and 2432 transitions. [2020-10-13 11:45:22,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:45:22,032 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2020-10-13 11:45:22,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:45:22,038 INFO L225 Difference]: With dead ends: 1499 [2020-10-13 11:45:22,038 INFO L226 Difference]: Without dead ends: 1067 [2020-10-13 11:45:22,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:45:22,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2020-10-13 11:45:22,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 661. [2020-10-13 11:45:22,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 661 states. [2020-10-13 11:45:22,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 1015 transitions. [2020-10-13 11:45:22,625 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 1015 transitions. Word has length 157 [2020-10-13 11:45:22,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:45:22,625 INFO L479 AbstractCegarLoop]: Abstraction has 661 states and 1015 transitions. [2020-10-13 11:45:22,625 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:45:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 1015 transitions. [2020-10-13 11:45:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-13 11:45:22,628 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:45:22,628 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:45:22,628 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 11:45:22,628 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:45:22,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:45:22,629 INFO L82 PathProgramCache]: Analyzing trace with hash 76215487, now seen corresponding path program 1 times [2020-10-13 11:45:22,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:45:22,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135335191] [2020-10-13 11:45:22,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:45:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:22,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:22,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:22,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:22,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:22,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:22,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:22,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:22,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:23,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:23,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:25,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:27,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:27,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-13 11:45:27,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 11:45:27,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:45:27,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:45:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:45:27,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:45:27,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:28,856 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 511 [2020-10-13 11:45:28,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:45:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:28,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:28,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:28,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:28,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:28,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 11:45:28,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:28,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:28,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:28,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:28,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:28,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:45:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:28,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:28,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:28,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:45:28,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:28,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:28,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:28,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:28,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:28,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:45:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:28,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:28,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:28,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:45:28,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:28,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:28,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:28,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:28,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:28,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:28,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:28,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:45:28,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:28,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:28,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:28,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:28,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:28,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:28,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:45:28,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:28,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:28,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:28,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:45:28,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:28,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:45:28,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:28,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:28,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:28,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:28,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:28,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:28,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:45:28,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:28,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:28,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:28,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:28,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:28,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:28,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:28,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:28,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:28,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:28,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:28,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:28,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:28,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:28,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:45:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:45:29,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:29,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:29,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:45:29,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:29,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:45:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:45:29,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:29,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:29,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:45:29,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:29,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:45:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:45:29,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:45:29,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:45:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:29,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:29,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:29,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:29,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:45:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:29,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:45:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:29,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:45:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:29,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:29,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:45:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:29,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:29,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:45:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:29,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:29,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 11:45:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:45:29,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:45:29,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:45:29,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:45:29,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:29,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:45:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:45:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:29,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:29,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 11:45:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:45:29,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:45:29,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 11:45:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:45:29,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:45:29,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:45:29,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:45:29,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:45:29,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:45:29,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:45:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:45:29,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:45:29,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:45:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:45:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:45:29,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135335191] [2020-10-13 11:45:29,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:45:29,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:45:29,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487236887] [2020-10-13 11:45:29,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:45:29,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:45:29,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:45:29,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:45:29,135 INFO L87 Difference]: Start difference. First operand 661 states and 1015 transitions. Second operand 9 states. [2020-10-13 11:45:31,051 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 514