/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_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:47:13,483 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:47:13,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:47:13,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:47:13,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:47:13,534 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:47:13,536 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:47:13,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:47:13,542 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:47:13,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:47:13,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:47:13,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:47:13,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:47:13,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:47:13,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:47:13,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:47:13,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:47:13,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:47:13,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:47:13,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:47:13,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:47:13,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:47:13,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:47:13,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:47:13,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:47:13,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:47:13,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:47:13,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:47:13,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:47:13,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:47:13,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:47:13,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:47:13,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:47:13,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:47:13,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:47:13,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:47:13,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:47:13,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:47:13,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:47:13,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:47:13,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:47:13,595 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 11:47:13,631 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:47:13,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:47:13,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:47:13,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:47:13,634 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:47:13,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:47:13,635 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:47:13,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:47:13,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:47:13,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:47:13,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:47:13,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:47:13,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:47:13,637 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:47:13,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:47:13,637 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:47:13,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:47:13,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:47:13,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:47:13,638 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:47:13,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:47:13,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:47:13,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:47:13,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:47:13,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:47:13,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:47:13,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:47:13,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:47:13,640 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:47:13,640 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 11:47:13,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:47:13,945 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:47:13,948 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:47:13,950 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:47:13,950 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:47:13,951 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-10-13 11:47:14,013 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f278c8ee/22238b9e88a24d5a921131e01bec0e7d/FLAGad8baf3cd [2020-10-13 11:47:14,582 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:47:14,583 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-10-13 11:47:14,603 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f278c8ee/22238b9e88a24d5a921131e01bec0e7d/FLAGad8baf3cd [2020-10-13 11:47:14,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2f278c8ee/22238b9e88a24d5a921131e01bec0e7d [2020-10-13 11:47:14,843 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:47:14,845 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:47:14,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:47:14,846 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:47:14,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:47:14,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:47:14" (1/1) ... [2020-10-13 11:47:14,854 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e42023b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:14, skipping insertion in model container [2020-10-13 11:47:14,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:47:14" (1/1) ... [2020-10-13 11:47:14,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:47:14,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:47:15,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:47:15,544 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:47:15,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:47:15,768 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:47:15,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15 WrapperNode [2020-10-13 11:47:15,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:47:15,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:47:15,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:47:15,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:47:15,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15" (1/1) ... [2020-10-13 11:47:15,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15" (1/1) ... [2020-10-13 11:47:15,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15" (1/1) ... [2020-10-13 11:47:15,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15" (1/1) ... [2020-10-13 11:47:15,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15" (1/1) ... [2020-10-13 11:47:15,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15" (1/1) ... [2020-10-13 11:47:15,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15" (1/1) ... [2020-10-13 11:47:15,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:47:15,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:47:15,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:47:15,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:47:15,945 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15" (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 11:47:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:47:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:47:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:47:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-13 11:47:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-13 11:47:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-13 11:47:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-13 11:47:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-13 11:47:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:47:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:47:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-13 11:47:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:47:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:47:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:47:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:47:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:47:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-13 11:47:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-13 11:47:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-13 11:47:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-13 11:47:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-13 11:47:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-13 11:47:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-13 11:47:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-13 11:47:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-13 11:47:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-13 11:47:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-13 11:47:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-13 11:47:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-13 11:47:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-13 11:47:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-13 11:47:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-13 11:47:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-13 11:47:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-13 11:47:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-13 11:47:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-13 11:47:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-13 11:47:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-13 11:47:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-13 11:47:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-13 11:47:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-10-13 11:47:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-13 11:47:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-13 11:47:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-13 11:47:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-13 11:47:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-13 11:47:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-13 11:47:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-13 11:47:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-13 11:47:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-13 11:47:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:47:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-13 11:47:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:47:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:47:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:47:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:47:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:47:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:47:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-13 11:47:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-13 11:47:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-13 11:47:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-13 11:47:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-13 11:47:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-13 11:47:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-13 11:47:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-13 11:47:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-13 11:47:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-13 11:47:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-13 11:47:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-13 11:47:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-13 11:47:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-13 11:47:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-13 11:47:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-13 11:47:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-13 11:47:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-13 11:47:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-13 11:47:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-13 11:47:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-13 11:47:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-13 11:47:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-13 11:47:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-13 11:47:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-13 11:47:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-13 11:47:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-13 11:47:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-13 11:47:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-13 11:47:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-13 11:47:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-13 11:47:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-13 11:47:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-13 11:47:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:47:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:47:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:47:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-13 11:47:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-13 11:47:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-13 11:47:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:47:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:47:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:47:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-13 11:47:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-13 11:47:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-13 11:47:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-13 11:47:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-13 11:47:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-13 11:47:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-13 11:47:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-13 11:47:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-13 11:47:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-13 11:47:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:47:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:47:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:47:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-13 11:47:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:47:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:47:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-13 11:47:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-13 11:47:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-13 11:47:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-13 11:47:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-13 11:47:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-13 11:47:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-13 11:47:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-13 11:47:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-13 11:47:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-13 11:47:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-13 11:47:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-13 11:47:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-13 11:47:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-13 11:47:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-13 11:47:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-13 11:47:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-13 11:47:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-13 11:47:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-13 11:47:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-13 11:47:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-13 11:47:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-13 11:47:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-13 11:47:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-13 11:47:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-13 11:47:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-13 11:47:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-13 11:47:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-13 11:47:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-13 11:47:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-13 11:47:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-13 11:47:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-10-13 11:47:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-13 11:47:16,080 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:47:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-13 11:47:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-13 11:47:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:47:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:47:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:47:16,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:47:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:47:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:47:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:47:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:47:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:47:16,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:47:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:47:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:47:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:47:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:47:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:47:16,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:47:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-13 11:47:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-13 11:47:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-13 11:47:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-13 11:47:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-13 11:47:16,084 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-13 11:47:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-13 11:47:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-13 11:47:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-13 11:47:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-13 11:47:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-13 11:47:16,085 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-13 11:47:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-13 11:47:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-13 11:47:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-13 11:47:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-13 11:47:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-13 11:47:16,086 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-13 11:47:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-13 11:47:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-13 11:47:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-13 11:47:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-13 11:47:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-13 11:47:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-13 11:47:16,087 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-13 11:47:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-13 11:47:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:47:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:47:16,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:47:17,968 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:47:17,968 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 11:47:17,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:47:17 BoogieIcfgContainer [2020-10-13 11:47:17,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:47:17,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:47:17,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:47:17,978 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:47:17,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:47:14" (1/3) ... [2020-10-13 11:47:17,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6b4072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:47:17, skipping insertion in model container [2020-10-13 11:47:17,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:47:15" (2/3) ... [2020-10-13 11:47:17,980 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6b4072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:47:17, skipping insertion in model container [2020-10-13 11:47:17,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:47:17" (3/3) ... [2020-10-13 11:47:17,982 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-10-13 11:47:17,992 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:47:18,001 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:47:18,015 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:47:18,040 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:47:18,040 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:47:18,040 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:47:18,040 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:47:18,041 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:47:18,041 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:47:18,041 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:47:18,041 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:47:18,069 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2020-10-13 11:47:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 11:47:18,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:47:18,086 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:47:18,086 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:47:18,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:47:18,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1055446932, now seen corresponding path program 1 times [2020-10-13 11:47:18,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:47:18,102 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913246653] [2020-10-13 11:47:18,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:47:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:18,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:18,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:18,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:19,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:20,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:23,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:23,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 189 [2020-10-13 11:47:23,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:47:23,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:47:23,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:23,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 82 [2020-10-13 11:47:23,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:23,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:47:25,371 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:47:25,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:47:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:25,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:25,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:25,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:25,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:25,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-13 11:47:25,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:25,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:25,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:47:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:25,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:25,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:25,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:47:25,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:25,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:25,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:25,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:25,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:25,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:25,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:47:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:25,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:25,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:25,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:47:25,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:25,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:25,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:25,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:25,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:25,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:25,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:25,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:47:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:25,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:25,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:25,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:25,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:25,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:25,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:25,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:25,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:25,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:47:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:25,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:25,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:25,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:47:26,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:47:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 663 [2020-10-13 11:47:26,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:26,354 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-10-13 11:47:26,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:26,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:47:26,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:26,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:26,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:26,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:26,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:47:26,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:26,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:47:26,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:26,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:26,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:47:26,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:26,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:47:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:26,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:47:26,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:26,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:26,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:26,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:26,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 11:47:26,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:47:26,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:47:26,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:47:26,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:26,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:26,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:26,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:47:26,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:47:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:26,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:26,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:26,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:47:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:26,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:47:26,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:26,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:26,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 11:47:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:26,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:26,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:26,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:26,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 11:47:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:26,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:26,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:26,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:26,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:47:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:47:26,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:47:26,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:47:26,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:26,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:26,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:26,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:26,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:47:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:26,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:26,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:26,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:26,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:47:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:26,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:26,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:26,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:26,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:26,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:26,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:26,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:47:26,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:26,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:26,646 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:47:26,647 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913246653] [2020-10-13 11:47:26,650 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:47:26,650 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-13 11:47:26,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696870481] [2020-10-13 11:47:26,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 11:47:26,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:47:26,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 11:47:26,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-10-13 11:47:26,679 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 8 states. [2020-10-13 11:47:32,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:47:32,370 INFO L93 Difference]: Finished difference Result 504 states and 701 transitions. [2020-10-13 11:47:32,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:47:32,373 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 125 [2020-10-13 11:47:32,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:47:32,390 INFO L225 Difference]: With dead ends: 504 [2020-10-13 11:47:32,390 INFO L226 Difference]: Without dead ends: 328 [2020-10-13 11:47:32,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-10-13 11:47:32,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2020-10-13 11:47:32,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 200. [2020-10-13 11:47:32,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-13 11:47:32,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 248 transitions. [2020-10-13 11:47:32,548 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 248 transitions. Word has length 125 [2020-10-13 11:47:32,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:47:32,549 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 248 transitions. [2020-10-13 11:47:32,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 11:47:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 248 transitions. [2020-10-13 11:47:32,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-13 11:47:32,554 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:47:32,554 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:47:32,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:47:32,555 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:47:32,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:47:32,555 INFO L82 PathProgramCache]: Analyzing trace with hash -121667894, now seen corresponding path program 1 times [2020-10-13 11:47:32,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:47:32,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486326055] [2020-10-13 11:47:32,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:47:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:32,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:32,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:32,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:33,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:34,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:37,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:37,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-13 11:47:37,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:47:37,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:47:37,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:37,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:47:37,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-13 11:47:37,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:47:37,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:38,873 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:47:38,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:47:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:38,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:38,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:38,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:38,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:38,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-13 11:47:38,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:38,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:38,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:47:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:38,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:38,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:38,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:47:38,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:38,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:47:38,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:38,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:38,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:38,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:38,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:38,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:47:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:38,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:38,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:38,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:47:38,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:47:38,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:38,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:38,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:47:38,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:38,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:38,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:38,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:38,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:38,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:38,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:38,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:38,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:38,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:38,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:38,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:47:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:38,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:38,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:38,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:47:39,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:47:39,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 367 [2020-10-13 11:47:39,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:39,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:39,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:39,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:47:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:39,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:39,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:39,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:47:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:39,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:39,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:39,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 11:47:39,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:47:39,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:47:39,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:47:39,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:39,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:47:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:39,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:47:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:39,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:39,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 11:47:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:39,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:39,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 11:47:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:39,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:39,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:47:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:47:39,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:39,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:47:39,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:39,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:39,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:47:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:39,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:39,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:47:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:39,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:39,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:39,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:39,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:39,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:39,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:39,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:47:39,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:39,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:39,557 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:47:39,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [486326055] [2020-10-13 11:47:39,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:47:39,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:47:39,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405192368] [2020-10-13 11:47:39,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:47:39,561 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:47:39,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:47:39,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:47:39,561 INFO L87 Difference]: Start difference. First operand 200 states and 248 transitions. Second operand 9 states. [2020-10-13 11:47:41,619 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:47:45,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:47:45,106 INFO L93 Difference]: Finished difference Result 447 states and 579 transitions. [2020-10-13 11:47:45,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 11:47:45,106 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 126 [2020-10-13 11:47:45,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:47:45,111 INFO L225 Difference]: With dead ends: 447 [2020-10-13 11:47:45,112 INFO L226 Difference]: Without dead ends: 331 [2020-10-13 11:47:45,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 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 11:47:45,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-10-13 11:47:45,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 202. [2020-10-13 11:47:45,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-13 11:47:45,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 250 transitions. [2020-10-13 11:47:45,211 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 250 transitions. Word has length 126 [2020-10-13 11:47:45,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:47:45,212 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 250 transitions. [2020-10-13 11:47:45,212 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:47:45,212 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 250 transitions. [2020-10-13 11:47:45,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-10-13 11:47:45,215 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:47:45,215 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:47:45,215 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:47:45,216 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:47:45,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:47:45,216 INFO L82 PathProgramCache]: Analyzing trace with hash 164607131, now seen corresponding path program 1 times [2020-10-13 11:47:45,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:47:45,217 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833231663] [2020-10-13 11:47:45,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:47:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:45,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:45,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:46,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:47,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:50,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:50,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-13 11:47:50,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:47:50,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:47:50,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:47:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 81 [2020-10-13 11:47:50,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:47:50,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:51,538 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:47:51,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:47:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:51,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:51,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:51,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:51,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:51,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:47:51,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:51,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:51,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:51,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:51,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:51,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:47:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:51,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:51,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:51,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:47:51,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:51,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:47:51,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:51,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:51,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:51,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:51,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:47:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:51,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:51,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:51,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:47:51,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:51,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:47:51,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:51,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:51,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:51,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:51,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:47:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:51,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:51,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:51,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:51,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:51,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:47:51,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:51,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:51,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:51,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:51,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:51,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:47:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:51,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:51,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:51,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:51,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:51,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:47:52,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:47:52,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-13 11:47:52,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:52,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:52,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:52,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:52,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:47:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:52,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:52,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:52,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:52,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:47:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:47:52,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:47:52,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:52,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:52,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 11:47:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:47:52,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:47:52,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:47:52,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:52,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:52,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:47:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:52,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:52,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 11:47:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:52,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:52,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:52,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:47:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:52,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:47:52,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:52,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:47:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:52,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:52,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:47:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:47:52,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:47:52,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:47:52,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:47:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:52,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:52,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:47:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:47:52,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:47:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:47:52,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:47:52,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:47:52,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:47:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:52,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:52,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:47:52,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:47:52,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:47:52,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:47:52,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:47:52,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:47:52,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:47:52,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:47:52,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:47:52,230 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:47:52,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833231663] [2020-10-13 11:47:52,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:47:52,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 11:47:52,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885915893] [2020-10-13 11:47:52,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:47:52,235 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:47:52,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:47:52,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:47:52,236 INFO L87 Difference]: Start difference. First operand 202 states and 250 transitions. Second operand 10 states. [2020-10-13 11:47:54,251 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:47:55,343 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:47:59,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:47:59,178 INFO L93 Difference]: Finished difference Result 479 states and 636 transitions. [2020-10-13 11:47:59,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 11:47:59,180 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 131 [2020-10-13 11:47:59,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:47:59,184 INFO L225 Difference]: With dead ends: 479 [2020-10-13 11:47:59,185 INFO L226 Difference]: Without dead ends: 363 [2020-10-13 11:47:59,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-10-13 11:47:59,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2020-10-13 11:47:59,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 229. [2020-10-13 11:47:59,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2020-10-13 11:47:59,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 300 transitions. [2020-10-13 11:47:59,286 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 300 transitions. Word has length 131 [2020-10-13 11:47:59,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:47:59,286 INFO L479 AbstractCegarLoop]: Abstraction has 229 states and 300 transitions. [2020-10-13 11:47:59,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:47:59,287 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 300 transitions. [2020-10-13 11:47:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-10-13 11:47:59,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:47:59,289 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-13 11:47:59,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:47:59,290 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:47:59,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:47:59,290 INFO L82 PathProgramCache]: Analyzing trace with hash -130188950, now seen corresponding path program 2 times [2020-10-13 11:47:59,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:47:59,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59638763] [2020-10-13 11:47:59,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:47:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:47:59,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:59,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:59,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:47:59,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:02,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:03,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:04,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:04,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-13 11:48:04,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:48:04,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-13 11:48:04,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:04,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:48:04,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 86 [2020-10-13 11:48:04,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:48:04,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,462 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:48:05,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:48:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:05,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:48:05,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:05,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:05,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:48:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:05,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:05,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:48:05,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:05,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:05,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:48:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:48:05,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:48:05,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 165 [2020-10-13 11:48:05,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:05,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:05,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:05,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:48:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:05,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:05,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:05,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:48:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:05,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:05,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:05,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 11:48:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:48:05,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:48:05,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:48:05,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:05,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:05,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:05,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 11:48:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:05,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:05,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:48:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:05,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:05,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:48:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:05,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:05,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:48:05,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:48:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:48:05,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:48:05,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:05,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:05,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:05,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:05,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:48:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:05,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:05,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:48:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:05,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:05,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:05,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:05,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:05,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:05,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:05,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:05,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:48:05,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:05,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-13 11:48:05,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59638763] [2020-10-13 11:48:05,952 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:48:05,952 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:48:05,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754378442] [2020-10-13 11:48:05,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:48:05,954 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:48:05,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:48:05,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:48:05,955 INFO L87 Difference]: Start difference. First operand 229 states and 300 transitions. Second operand 9 states. [2020-10-13 11:48:08,010 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:48:11,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:48:11,403 INFO L93 Difference]: Finished difference Result 568 states and 797 transitions. [2020-10-13 11:48:11,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:48:11,406 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 136 [2020-10-13 11:48:11,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:48:11,409 INFO L225 Difference]: With dead ends: 568 [2020-10-13 11:48:11,410 INFO L226 Difference]: Without dead ends: 416 [2020-10-13 11:48:11,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 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 11:48:11,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2020-10-13 11:48:11,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 257. [2020-10-13 11:48:11,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-13 11:48:11,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 350 transitions. [2020-10-13 11:48:11,534 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 350 transitions. Word has length 136 [2020-10-13 11:48:11,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:48:11,534 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 350 transitions. [2020-10-13 11:48:11,535 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:48:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 350 transitions. [2020-10-13 11:48:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-13 11:48:11,537 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:48:11,537 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:48:11,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:48:11,538 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:48:11,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:48:11,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1159319448, now seen corresponding path program 1 times [2020-10-13 11:48:11,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:48:11,539 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1644594427] [2020-10-13 11:48:11,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:48:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:11,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:11,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:11,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:12,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:12,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:13,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:16,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:16,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-13 11:48:16,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:48:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-13 11:48:16,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:48:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-13 11:48:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:48:16,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,650 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:48:17,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:48:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:17,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:48:17,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:17,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:17,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:17,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:17,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:17,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:17,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:17,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:48:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:17,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:17,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:17,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:17,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:48:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:17,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:17,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:17,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:48:17,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 11:48:17,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:48:17,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-13 11:48:17,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:48:17,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-13 11:48:17,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:48:17,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:17,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:17,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:17,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:17,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:17,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:17,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:17,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:17,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:48:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:17,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:48:17,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:48:17,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:48:17,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:48:17,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:17,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:48:17,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:48:17,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:17,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:48:17,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 11:48:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:17,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:17,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:17,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-13 11:48:17,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:17,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:17,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:17,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:17,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:17,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:17,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 11:48:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:17,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:17,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:17,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:48:17,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:17,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:48:17,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:17,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:48:17,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:17,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:18,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:18,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:18,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:18,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:18,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:18,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:18,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:18,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:18,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:18,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:18,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:18,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:18,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:18,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:18,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:18,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 11:48:18,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:18,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:18,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:18,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:18,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:18,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:18,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:18,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:48:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:18,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:18,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:18,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:18,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:18,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:18,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:18,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:18,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:18,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:48:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:18,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:18,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:18,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:18,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:18,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:18,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:18,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:18,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:18,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:48:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:18,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:18,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:48:18,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:18,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:18,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:48:18,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:18,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:18,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:18,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:18,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:18,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:18,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:18,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:18,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:48:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:18,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:18,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:18,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:18,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:18,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:18,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:18,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 11:48:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:18,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:18,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:18,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:18,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:18,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:18,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:18,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:18,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:48:18,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:18,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:18,091 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:48:18,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1644594427] [2020-10-13 11:48:18,092 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:48:18,092 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 11:48:18,092 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407387587] [2020-10-13 11:48:18,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:48:18,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:48:18,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:48:18,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:48:18,094 INFO L87 Difference]: Start difference. First operand 257 states and 350 transitions. Second operand 13 states. [2020-10-13 11:48:19,735 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:48:21,118 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 501 [2020-10-13 11:48:22,316 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 504 [2020-10-13 11:48:23,523 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 504 [2020-10-13 11:48:27,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:48:27,915 INFO L93 Difference]: Finished difference Result 654 states and 932 transitions. [2020-10-13 11:48:27,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:48:27,916 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 138 [2020-10-13 11:48:27,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:48:27,919 INFO L225 Difference]: With dead ends: 654 [2020-10-13 11:48:27,919 INFO L226 Difference]: Without dead ends: 426 [2020-10-13 11:48:27,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:48:27,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2020-10-13 11:48:28,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 265. [2020-10-13 11:48:28,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-10-13 11:48:28,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 360 transitions. [2020-10-13 11:48:28,043 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 360 transitions. Word has length 138 [2020-10-13 11:48:28,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:48:28,044 INFO L479 AbstractCegarLoop]: Abstraction has 265 states and 360 transitions. [2020-10-13 11:48:28,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:48:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 360 transitions. [2020-10-13 11:48:28,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-13 11:48:28,046 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:48:28,046 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 11:48:28,046 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:48:28,047 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:48:28,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:48:28,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1131796677, now seen corresponding path program 1 times [2020-10-13 11:48:28,047 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:48:28,047 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1593256019] [2020-10-13 11:48:28,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:48:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:28,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:28,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:28,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:28,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:28,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:29,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:29,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:33,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:33,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-13 11:48:33,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:48:33,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:48:33,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:48:33,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:48:33,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:48:33,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,188 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:48:34,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:48:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:34,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-13 11:48:34,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:34,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:34,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:48:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:34,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:34,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:48:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:34,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:34,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:48:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 11:48:34,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-13 11:48:34,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:48:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:48:34,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 11:48:34,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:34,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:34,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:34,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:34,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:48:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:48:34,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:34,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:48:34,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:34,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:48:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:34,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 11:48:34,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:48:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:48:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:48:34,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:34,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:48:34,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:48:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:48:34,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 11:48:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:48:34,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:48:34,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:48:34,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:34,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:34,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:34,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:34,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 11:48:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:34,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:34,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:34,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 11:48:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:34,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:34,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:34,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:48:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:34,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:48:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:48:34,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:34,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:48:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:34,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:34,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 11:48:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:34,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:34,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 11:48:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:34,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:34,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:34,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:34,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:34,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:34,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:48:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:34,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:48:34,598 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1593256019] [2020-10-13 11:48:34,598 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:48:34,598 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:48:34,599 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738162929] [2020-10-13 11:48:34,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:48:34,599 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:48:34,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:48:34,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:48:34,600 INFO L87 Difference]: Start difference. First operand 265 states and 360 transitions. Second operand 13 states. [2020-10-13 11:48:36,263 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 506 [2020-10-13 11:48:37,794 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 501 [2020-10-13 11:48:38,973 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 504 [2020-10-13 11:48:40,119 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 508 [2020-10-13 11:48:44,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:48:44,122 INFO L93 Difference]: Finished difference Result 652 states and 926 transitions. [2020-10-13 11:48:44,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:48:44,123 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 139 [2020-10-13 11:48:44,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:48:44,126 INFO L225 Difference]: With dead ends: 652 [2020-10-13 11:48:44,126 INFO L226 Difference]: Without dead ends: 432 [2020-10-13 11:48:44,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:48:44,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-13 11:48:44,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 269. [2020-10-13 11:48:44,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-13 11:48:44,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 364 transitions. [2020-10-13 11:48:44,221 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 364 transitions. Word has length 139 [2020-10-13 11:48:44,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:48:44,221 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 364 transitions. [2020-10-13 11:48:44,221 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:48:44,221 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 364 transitions. [2020-10-13 11:48:44,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 11:48:44,223 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:48:44,224 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] [2020-10-13 11:48:44,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:48:44,224 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:48:44,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:48:44,224 INFO L82 PathProgramCache]: Analyzing trace with hash -497658432, now seen corresponding path program 2 times [2020-10-13 11:48:44,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:48:44,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194482856] [2020-10-13 11:48:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:48:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:44,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:44,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:44,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:44,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:45,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:45,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:46,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:49,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:49,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 204 [2020-10-13 11:48:49,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:48:49,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:48:49,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:48:49,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-13 11:48:49,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:48:49,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,388 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:48:50,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:48:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:50,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:48:50,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:50,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:48:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:48:50,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:48:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:50,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:48:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-13 11:48:50,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-13 11:48:50,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:48:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-13 11:48:50,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:48:50,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:48:50,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:48:50,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:50,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:48:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:48:50,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:50,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:48:50,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:50,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:48:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:48:50,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:48:50,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:48:50,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:48:50,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:48:50,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:48:50,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:48:50,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:48:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-13 11:48:50,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 11:48:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:48:50,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:48:50,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:48:50,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:50,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:50,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:48:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:50,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:50,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 11:48:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:50,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:50,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:48:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:50,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:50,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:48:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:50,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:50,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 11:48:50,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:48:50,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:48:50,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:48:50,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:48:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:50,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:48:50,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:48:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:48:50,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:48:50,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 11:48:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:48:50,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:48:50,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:48:50,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:48:50,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:48:50,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:48:50,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:48:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:48:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:48:50,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:48:50,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:48:50,739 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:48:50,740 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194482856] [2020-10-13 11:48:50,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:48:50,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-13 11:48:50,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879352420] [2020-10-13 11:48:50,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 11:48:50,741 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:48:50,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 11:48:50,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-10-13 11:48:50,741 INFO L87 Difference]: Start difference. First operand 269 states and 364 transitions. Second operand 13 states. [2020-10-13 11:48:52,391 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:48:53,966 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 501 [2020-10-13 11:48:55,111 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 504 [2020-10-13 11:48:56,240 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 504 [2020-10-13 11:49:00,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:49:00,352 INFO L93 Difference]: Finished difference Result 652 states and 925 transitions. [2020-10-13 11:49:00,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 11:49:00,352 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 140 [2020-10-13 11:49:00,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:49:00,358 INFO L225 Difference]: With dead ends: 652 [2020-10-13 11:49:00,358 INFO L226 Difference]: Without dead ends: 434 [2020-10-13 11:49:00,359 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-10-13 11:49:00,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-13 11:49:00,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 269. [2020-10-13 11:49:00,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2020-10-13 11:49:00,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 363 transitions. [2020-10-13 11:49:00,458 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 363 transitions. Word has length 140 [2020-10-13 11:49:00,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:49:00,459 INFO L479 AbstractCegarLoop]: Abstraction has 269 states and 363 transitions. [2020-10-13 11:49:00,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 11:49:00,459 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 363 transitions. [2020-10-13 11:49:00,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 11:49:00,460 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:49:00,461 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, 1] [2020-10-13 11:49:00,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:49:00,461 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:49:00,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:49:00,461 INFO L82 PathProgramCache]: Analyzing trace with hash -2066679306, now seen corresponding path program 1 times [2020-10-13 11:49:00,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:49:00,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095914409] [2020-10-13 11:49:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:49:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:00,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:00,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:01,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:01,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:01,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:02,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:05,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:05,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-13 11:49:05,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:49:05,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:49:05,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:05,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:49:05,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:49:05,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:49:05,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:49:06,718 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:49:06,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:49:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:06,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:49:06,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:06,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:06,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:49:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:06,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:49:06,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:06,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:49:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:49:06,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:49:06,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:06,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:49:06,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:06,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:06,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:49:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:49:06,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:06,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:49:06,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:49:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:49:06,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:06,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:49:06,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 11:49:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:49:06,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:49:06,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:49:06,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:06,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:06,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:06,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:06,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 11:49:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:06,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:06,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:06,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:49:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:06,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:06,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:49:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:06,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:06,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 11:49:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:49:06,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:06,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:49:06,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:06,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:06,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:49:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:06,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:06,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 11:49:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:06,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:06,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:06,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:06,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:06,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:49:06,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:06,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:06,938 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-13 11:49:06,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095914409] [2020-10-13 11:49:06,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:49:06,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:49:06,939 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481188531] [2020-10-13 11:49:06,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:49:06,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:49:06,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:49:06,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:49:06,941 INFO L87 Difference]: Start difference. First operand 269 states and 363 transitions. Second operand 9 states. [2020-10-13 11:49:08,783 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:49:12,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:49:12,375 INFO L93 Difference]: Finished difference Result 726 states and 1076 transitions. [2020-10-13 11:49:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:49:12,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 141 [2020-10-13 11:49:12,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:49:12,384 INFO L225 Difference]: With dead ends: 726 [2020-10-13 11:49:12,384 INFO L226 Difference]: Without dead ends: 528 [2020-10-13 11:49:12,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 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 11:49:12,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-10-13 11:49:12,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 318. [2020-10-13 11:49:12,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-10-13 11:49:12,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 451 transitions. [2020-10-13 11:49:12,533 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 451 transitions. Word has length 141 [2020-10-13 11:49:12,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:49:12,533 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 451 transitions. [2020-10-13 11:49:12,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:49:12,533 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 451 transitions. [2020-10-13 11:49:12,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 11:49:12,535 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:49:12,535 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, 1, 1] [2020-10-13 11:49:12,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 11:49:12,535 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:49:12,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:49:12,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1707635542, now seen corresponding path program 1 times [2020-10-13 11:49:12,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:49:12,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [110381450] [2020-10-13 11:49:12,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:49:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:12,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:12,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:12,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:13,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:14,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:17,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:17,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 11:49:17,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:49:17,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-13 11:49:17,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:49:17,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:49:17,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-13 11:49:17,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,747 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:49:18,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:49:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:18,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-13 11:49:18,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:18,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:49:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:18,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:49:18,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:18,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:49:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:49:18,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:49:18,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:18,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:18,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:18,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:18,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:49:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:49:18,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:18,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:49:18,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:18,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:49:18,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:49:18,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:18,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:49:18,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:18,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:49:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:49:18,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:49:18,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:49:18,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:18,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:18,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:18,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:18,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:49:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:18,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:18,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:49:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:18,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:18,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:49:18,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:18,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:18,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 11:49:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:49:18,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:18,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:49:18,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:18,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:18,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:49:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:18,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:18,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:49:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:18,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:18,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:18,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:18,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:18,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:18,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:49:18,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:18,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:18,990 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:49:18,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [110381450] [2020-10-13 11:49:18,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:49:18,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 11:49:18,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236930656] [2020-10-13 11:49:18,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:49:18,991 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:49:18,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:49:18,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:49:18,992 INFO L87 Difference]: Start difference. First operand 318 states and 451 transitions. Second operand 11 states. [2020-10-13 11:49:21,351 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:49:22,445 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:49:23,613 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:49:28,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:49:28,597 INFO L93 Difference]: Finished difference Result 781 states and 1174 transitions. [2020-10-13 11:49:28,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:49:28,606 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-10-13 11:49:28,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:49:28,610 INFO L225 Difference]: With dead ends: 781 [2020-10-13 11:49:28,610 INFO L226 Difference]: Without dead ends: 665 [2020-10-13 11:49:28,611 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=136, Invalid=244, Unknown=0, NotChecked=0, Total=380 [2020-10-13 11:49:28,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-10-13 11:49:28,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 397. [2020-10-13 11:49:28,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-13 11:49:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 593 transitions. [2020-10-13 11:49:28,868 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 593 transitions. Word has length 142 [2020-10-13 11:49:28,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:49:28,868 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 593 transitions. [2020-10-13 11:49:28,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:49:28,868 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 593 transitions. [2020-10-13 11:49:28,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-13 11:49:28,870 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:49:28,870 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:49:28,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 11:49:28,871 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:49:28,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:49:28,871 INFO L82 PathProgramCache]: Analyzing trace with hash -492606537, now seen corresponding path program 1 times [2020-10-13 11:49:28,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:49:28,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557131023] [2020-10-13 11:49:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:49:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:28,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:28,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:29,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:29,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:30,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:30,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:30,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:30,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:30,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:30,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:31,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:31,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:31,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:33,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:33,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 206 [2020-10-13 11:49:33,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-13 11:49:33,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-13 11:49:33,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:33,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:49:33,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:49:33,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:49:33,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,054 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:49:35,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:49:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:35,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:49:35,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:35,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:49:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:35,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:49:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:35,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:49:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:49:35,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:49:35,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:35,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:35,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:35,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:49:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:49:35,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:35,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:49:35,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:49:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:49:35,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:35,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:49:35,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 11:49:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:49:35,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:49:35,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:49:35,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:35,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:35,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:35,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:35,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:35,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 11:49:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:35,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:49:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:35,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 11:49:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:35,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 11:49:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:49:35,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:35,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:49:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:35,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:35,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:49:35,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:35,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:35,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:49:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:35,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:35,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:35,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:35,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:35,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:35,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:49:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:35,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:35,301 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:49:35,301 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557131023] [2020-10-13 11:49:35,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:49:35,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:49:35,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876835309] [2020-10-13 11:49:35,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:49:35,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:49:35,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:49:35,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:49:35,303 INFO L87 Difference]: Start difference. First operand 397 states and 593 transitions. Second operand 9 states. [2020-10-13 11:49:37,422 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:49:41,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:49:41,291 INFO L93 Difference]: Finished difference Result 963 states and 1500 transitions. [2020-10-13 11:49:41,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:49:41,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2020-10-13 11:49:41,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:49:41,300 INFO L225 Difference]: With dead ends: 963 [2020-10-13 11:49:41,300 INFO L226 Difference]: Without dead ends: 657 [2020-10-13 11:49:41,302 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 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 11:49:41,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2020-10-13 11:49:41,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 397. [2020-10-13 11:49:41,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-13 11:49:41,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 588 transitions. [2020-10-13 11:49:41,575 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 588 transitions. Word has length 142 [2020-10-13 11:49:41,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:49:41,576 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 588 transitions. [2020-10-13 11:49:41,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:49:41,576 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 588 transitions. [2020-10-13 11:49:41,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-13 11:49:41,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:49:41,578 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:49:41,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 11:49:41,578 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:49:41,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:49:41,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1788952943, now seen corresponding path program 1 times [2020-10-13 11:49:41,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:49:41,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1914040245] [2020-10-13 11:49:41,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:49:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:41,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:41,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:41,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:42,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:43,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:43,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:43,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:43,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:43,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:43,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:43,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:43,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:43,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:46,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:46,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-13 11:49:46,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-13 11:49:46,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-13 11:49:46,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:49:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:49:46,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-13 11:49:46,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,734 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:49:47,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:49:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:47,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:49:47,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:47,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:49:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:49:47,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:49:47,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:47,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:49:47,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:49:47,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:49:47,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:49:47,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:49:47,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:47,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:49:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:49:47,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:47,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:49:47,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:47,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:49:47,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:49:47,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:47,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:49:47,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:47,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 11:49:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:49:47,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:49:47,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:49:47,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:47,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:47,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:49:47,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:47,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:47,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 11:49:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:47,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:47,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 11:49:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:47,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 11:49:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:47,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:47,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 11:49:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:49:47,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:49:47,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:49:47,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:49:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:47,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:49:47,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:49:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:49:47,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:49:47,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:49:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:47,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:47,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:47,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:49:47,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:49:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:49:47,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:49:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:49:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:49:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:49:47,960 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:49:47,960 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1914040245] [2020-10-13 11:49:47,960 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:49:47,960 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:49:47,960 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655404913] [2020-10-13 11:49:47,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:49:47,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:49:47,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:49:47,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:49:47,962 INFO L87 Difference]: Start difference. First operand 397 states and 588 transitions. Second operand 9 states. [2020-10-13 11:49:49,738 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:49:53,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:49:53,599 INFO L93 Difference]: Finished difference Result 1192 states and 1910 transitions. [2020-10-13 11:49:53,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:49:53,599 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 143 [2020-10-13 11:49:53,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:49:53,603 INFO L225 Difference]: With dead ends: 1192 [2020-10-13 11:49:53,604 INFO L226 Difference]: Without dead ends: 886 [2020-10-13 11:49:53,605 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2020-10-13 11:49:53,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2020-10-13 11:49:53,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 525. [2020-10-13 11:49:53,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2020-10-13 11:49:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 808 transitions. [2020-10-13 11:49:53,950 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 808 transitions. Word has length 143 [2020-10-13 11:49:53,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:49:53,950 INFO L479 AbstractCegarLoop]: Abstraction has 525 states and 808 transitions. [2020-10-13 11:49:53,951 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:49:53,951 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 808 transitions. [2020-10-13 11:49:53,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2020-10-13 11:49:53,953 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:49:53,953 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:49:53,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 11:49:53,953 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:49:53,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:49:53,954 INFO L82 PathProgramCache]: Analyzing trace with hash -2070588427, now seen corresponding path program 1 times [2020-10-13 11:49:53,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:49:53,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [340500274] [2020-10-13 11:49:53,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:49:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:49:54,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:54,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:57,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:49:59,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:49:59,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 208 [2020-10-13 11:49:59,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-13 11:49:59,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-13 11:49:59,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:49:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:49:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:49:59,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-13 11:49:59,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,161 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:50:00,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:50:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:00,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 11:50:00,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:00,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:50:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:00,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:50:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:00,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:50:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:50:00,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:50:00,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:50:00,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:50:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:50:00,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:50:00,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:50:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:50:00,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:50:00,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 11:50:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:50:00,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:50:00,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:50:00,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 11:50:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:00,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 11:50:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 11:50:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:00,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:50:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:50:00,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:00,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:50:00,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:00,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:00,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 11:50:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:00,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:00,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 11:50:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:00,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:00,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:00,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:00,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:00,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:00,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:50:00,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:00,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:50:00,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [340500274] [2020-10-13 11:50:00,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:50:00,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:50:00,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629337751] [2020-10-13 11:50:00,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:50:00,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:50:00,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:50:00,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:50:00,392 INFO L87 Difference]: Start difference. First operand 525 states and 808 transitions. Second operand 9 states. [2020-10-13 11:50:02,289 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:50:06,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:50:06,375 INFO L93 Difference]: Finished difference Result 1713 states and 2832 transitions. [2020-10-13 11:50:06,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:50:06,376 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 144 [2020-10-13 11:50:06,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:50:06,383 INFO L225 Difference]: With dead ends: 1713 [2020-10-13 11:50:06,383 INFO L226 Difference]: Without dead ends: 1301 [2020-10-13 11:50:06,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 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 11:50:06,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1301 states. [2020-10-13 11:50:06,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1301 to 747. [2020-10-13 11:50:06,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-10-13 11:50:06,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1188 transitions. [2020-10-13 11:50:06,877 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1188 transitions. Word has length 144 [2020-10-13 11:50:06,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:50:06,878 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 1188 transitions. [2020-10-13 11:50:06,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:50:06,878 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1188 transitions. [2020-10-13 11:50:06,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-13 11:50:06,880 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:50:06,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:50:06,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 11:50:06,881 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:50:06,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:50:06,881 INFO L82 PathProgramCache]: Analyzing trace with hash 2144926737, now seen corresponding path program 1 times [2020-10-13 11:50:06,881 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:50:06,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1444290075] [2020-10-13 11:50:06,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:50:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:06,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:06,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:07,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:07,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:07,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:09,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:09,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:09,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:09,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:09,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:09,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:11,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:11,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 209 [2020-10-13 11:50:11,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-13 11:50:11,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-13 11:50:11,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:11,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:50:11,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:50:11,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:50:11,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,065 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:50:13,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:50:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:13,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-13 11:50:13,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:13,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:50:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:13,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:50:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:13,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:50:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:50:13,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:50:13,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:50:13,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:13,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:13,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:50:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:50:13,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:13,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:50:13,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:13,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:50:13,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:50:13,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:13,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:13,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:50:13,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 11:50:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:50:13,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:50:13,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:50:13,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:13,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:13,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:13,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:13,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 11:50:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:13,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:13,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:50:13,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:13,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:13,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 11:50:13,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:13,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:13,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:50:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:50:13,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:13,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:50:13,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:13,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:13,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 11:50:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:13,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:13,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:50:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:13,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:13,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:13,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:13,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:13,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:13,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:50:13,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:13,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:50:13,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1444290075] [2020-10-13 11:50:13,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:50:13,303 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:50:13,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563447958] [2020-10-13 11:50:13,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:50:13,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:50:13,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:50:13,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:50:13,305 INFO L87 Difference]: Start difference. First operand 747 states and 1188 transitions. Second operand 9 states. [2020-10-13 11:50:15,518 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:50:20,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:50:20,780 INFO L93 Difference]: Finished difference Result 2684 states and 4538 transitions. [2020-10-13 11:50:20,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:50:20,780 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 145 [2020-10-13 11:50:20,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:50:20,790 INFO L225 Difference]: With dead ends: 2684 [2020-10-13 11:50:20,790 INFO L226 Difference]: Without dead ends: 2078 [2020-10-13 11:50:20,793 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 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 11:50:20,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2078 states. [2020-10-13 11:50:21,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2078 to 1151. [2020-10-13 11:50:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2020-10-13 11:50:21,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1876 transitions. [2020-10-13 11:50:21,749 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1876 transitions. Word has length 145 [2020-10-13 11:50:21,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:50:21,750 INFO L479 AbstractCegarLoop]: Abstraction has 1151 states and 1876 transitions. [2020-10-13 11:50:21,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:50:21,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1876 transitions. [2020-10-13 11:50:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-13 11:50:21,754 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:50:21,754 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:50:21,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 11:50:21,754 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:50:21,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:50:21,755 INFO L82 PathProgramCache]: Analyzing trace with hash -756078253, now seen corresponding path program 1 times [2020-10-13 11:50:21,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:50:21,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1302801662] [2020-10-13 11:50:21,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:50:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:21,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:21,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:21,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:21,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:21,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:21,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:22,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:22,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:22,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:26,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:26,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 11:50:26,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-13 11:50:26,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-13 11:50:26,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:26,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:50:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-13 11:50:26,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-13 11:50:26,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:27,927 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:50:27,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:50:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:27,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:27,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:27,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:27,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:27,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:50:27,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:27,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:27,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:27,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:27,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:27,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:27,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:27,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:27,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:27,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:27,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:27,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:50:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:27,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:27,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:27,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:27,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:27,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:27,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:27,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:27,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:50:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:27,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:27,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:27,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:27,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:27,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:27,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:27,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:27,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:27,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:50:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:27,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:27,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:27,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:50:27,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:27,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:50:27,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:27,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:27,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:27,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:50:28,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:50:28,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:28,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:28,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:28,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:28,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:28,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:50:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:50:28,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:28,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:28,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:50:28,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:28,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:28,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:50:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:50:28,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:28,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:28,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:50:28,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:28,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:28,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 11:50:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:50:28,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:50:28,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:50:28,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:28,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:28,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:28,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:28,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:28,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:28,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 11:50:28,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 11:50:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:28,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:28,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:28,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:50:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:28,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:28,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:28,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:50:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:28,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:28,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:28,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 11:50:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:50:28,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:28,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:50:28,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:28,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:28,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:28,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:28,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 11:50:28,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:28,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:28,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:50:28,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 11:50:28,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:28,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:28,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:28,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:28,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:28,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:28,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:28,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:50:28,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:28,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:50:28,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1302801662] [2020-10-13 11:50:28,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:50:28,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-13 11:50:28,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504394858] [2020-10-13 11:50:28,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 11:50:28,198 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:50:28,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 11:50:28,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 11:50:28,198 INFO L87 Difference]: Start difference. First operand 1151 states and 1876 transitions. Second operand 9 states. [2020-10-13 11:50:30,045 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:50:37,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:50:37,420 INFO L93 Difference]: Finished difference Result 4537 states and 7760 transitions. [2020-10-13 11:50:37,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 11:50:37,421 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2020-10-13 11:50:37,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:50:37,446 INFO L225 Difference]: With dead ends: 4537 [2020-10-13 11:50:37,446 INFO L226 Difference]: Without dead ends: 3561 [2020-10-13 11:50:37,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 40 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 11:50:37,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2020-10-13 11:50:39,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 1909. [2020-10-13 11:50:39,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1909 states. [2020-10-13 11:50:39,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1909 states and 3156 transitions. [2020-10-13 11:50:39,995 INFO L78 Accepts]: Start accepts. Automaton has 1909 states and 3156 transitions. Word has length 146 [2020-10-13 11:50:39,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:50:39,996 INFO L479 AbstractCegarLoop]: Abstraction has 1909 states and 3156 transitions. [2020-10-13 11:50:39,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 11:50:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1909 states and 3156 transitions. [2020-10-13 11:50:40,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-13 11:50:40,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:50:40,001 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:50:40,002 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 11:50:40,002 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:50:40,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:50:40,002 INFO L82 PathProgramCache]: Analyzing trace with hash -368501069, now seen corresponding path program 1 times [2020-10-13 11:50:40,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:50:40,003 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [966049435] [2020-10-13 11:50:40,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:50:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:40,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:40,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:40,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:40,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:42,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:44,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:44,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:45,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:45,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-13 11:50:45,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-13 11:50:45,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-13 11:50:45,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:50:45,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 202 [2020-10-13 11:50:45,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:50:45,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,150 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 499 [2020-10-13 11:50:46,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:50:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:46,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-13 11:50:46,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:46,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:46,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:50:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:50:46,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:50:46,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:46,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:50:46,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-13 11:50:46,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:50:46,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:50:46,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:50:46,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:46,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:46,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:50:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:50:46,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:46,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:50:46,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 11:50:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-13 11:50:46,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:46,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:46,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-13 11:50:46,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 11:50:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:50:46,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:50:46,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:46,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:46,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:50:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:46,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:46,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:50:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:46,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 11:50:46,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:50:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:46,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 11:50:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:46,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 11:50:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:50:46,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:50:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:46,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:50:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:50:46,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:50:46,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:50:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:50:46,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 11:50:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:50:46,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:50:46,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:50:46,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:50:46,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:50:46,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:50:46,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:50:46,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 11:50:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:50:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 11:50:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:50:46,484 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-13 11:50:46,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [966049435] [2020-10-13 11:50:46,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:50:46,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:50:46,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33181589] [2020-10-13 11:50:46,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:50:46,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:50:46,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:50:46,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:50:46,487 INFO L87 Difference]: Start difference. First operand 1909 states and 3156 transitions. Second operand 11 states. [2020-10-13 11:50:53,301 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:50:54,423 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 502 [2020-10-13 11:50:55,588 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 502