/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=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:58:14,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:58:14,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:58:14,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:58:14,717 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:58:14,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:58:14,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:58:14,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:58:14,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:58:14,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:58:14,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:58:14,737 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:58:14,737 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:58:14,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:58:14,743 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:58:14,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:58:14,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:58:14,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:58:14,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:58:14,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:58:14,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:58:14,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:58:14,763 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:58:14,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:58:14,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:58:14,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:58:14,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:58:14,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:58:14,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:58:14,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:58:14,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:58:14,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:58:14,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:58:14,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:58:14,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:58:14,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:58:14,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:58:14,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:58:14,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:58:14,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:58:14,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:58:14,787 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 [2020-10-12 16:58:14,827 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:58:14,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:58:14,829 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:58:14,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:58:14,830 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:58:14,830 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:58:14,830 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:58:14,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:58:14,831 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:58:14,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:58:14,832 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:58:14,832 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:58:14,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:58:14,833 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:58:14,833 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:58:14,833 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:58:14,833 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:58:14,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:58:14,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:58:14,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:58:14,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:58:14,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:58:14,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:58:14,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:58:14,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:58:14,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:58:14,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:58:14,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:58:14,835 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:58:14,836 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:58:15,119 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:58:15,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:58:15,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:58:15,143 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:58:15,143 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:58:15,144 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product11.cil.c [2020-10-12 16:58:15,214 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2951a378f/1330e18d27224a7597a9a05fa7e5c5a0/FLAG7f1e62134 [2020-10-12 16:58:15,807 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:58:15,808 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec0_product11.cil.c [2020-10-12 16:58:15,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2951a378f/1330e18d27224a7597a9a05fa7e5c5a0/FLAG7f1e62134 [2020-10-12 16:58:16,079 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2951a378f/1330e18d27224a7597a9a05fa7e5c5a0 [2020-10-12 16:58:16,088 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:58:16,089 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:58:16,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:58:16,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:58:16,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:58:16,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:58:16" (1/1) ... [2020-10-12 16:58:16,097 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c2e4ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:16, skipping insertion in model container [2020-10-12 16:58:16,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:58:16" (1/1) ... [2020-10-12 16:58:16,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:58:16,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:58:16,900 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:58:16,914 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:58:17,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:58:17,180 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:58:17,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17 WrapperNode [2020-10-12 16:58:17,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:58:17,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:58:17,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:58:17,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:58:17,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17" (1/1) ... [2020-10-12 16:58:17,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17" (1/1) ... [2020-10-12 16:58:17,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17" (1/1) ... [2020-10-12 16:58:17,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17" (1/1) ... [2020-10-12 16:58:17,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17" (1/1) ... [2020-10-12 16:58:17,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17" (1/1) ... [2020-10-12 16:58:17,333 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17" (1/1) ... [2020-10-12 16:58:17,346 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:58:17,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:58:17,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:58:17,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:58:17,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17" (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 [2020-10-12 16:58:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:58:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:58:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 16:58:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 16:58:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 16:58:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 16:58:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 16:58:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 16:58:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 16:58:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 16:58:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 16:58:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 16:58:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 16:58:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 16:58:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 16:58:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 16:58:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 16:58:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 16:58:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 16:58:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 16:58:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 16:58:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 16:58:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 16:58:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 16:58:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 16:58:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 16:58:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 16:58:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 16:58:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 16:58:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 16:58:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 16:58:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 16:58:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 16:58:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 16:58:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 16:58:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 16:58:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 16:58:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 16:58:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 16:58:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 16:58:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 16:58:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:58:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 16:58:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 16:58:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 16:58:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 16:58:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 16:58:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 16:58:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 16:58:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 16:58:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 16:58:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 16:58:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2020-10-12 16:58:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 16:58:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 16:58:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 16:58:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 16:58:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 16:58:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 16:58:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 16:58:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 16:58:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 16:58:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 16:58:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-12 16:58:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 16:58:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 16:58:17,433 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 16:58:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 16:58:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 16:58:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 16:58:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 16:58:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 16:58:17,434 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 16:58:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 16:58:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 16:58:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 16:58:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 16:58:17,435 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 16:58:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 16:58:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 16:58:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 16:58:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 16:58:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 16:58:17,436 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 16:58:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 16:58:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 16:58:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 16:58:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 16:58:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 16:58:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 16:58:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 16:58:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 16:58:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 16:58:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 16:58:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 16:58:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 16:58:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 16:58:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 16:58:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 16:58:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 16:58:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 16:58:17,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 16:58:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 16:58:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 16:58:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 16:58:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:58:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:58:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 16:58:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 16:58:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 16:58:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 16:58:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 16:58:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 16:58:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 16:58:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 16:58:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 16:58:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 16:58:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 16:58:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 16:58:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 16:58:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 16:58:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 16:58:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 16:58:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 16:58:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 16:58:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 16:58:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 16:58:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 16:58:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 16:58:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 16:58:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 16:58:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 16:58:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 16:58:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 16:58:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 16:58:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 16:58:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 16:58:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 16:58:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 16:58:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 16:58:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 16:58:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 16:58:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 16:58:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 16:58:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 16:58:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 16:58:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 16:58:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 16:58:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 16:58:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 16:58:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 16:58:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 16:58:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 16:58:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 16:58:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 16:58:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 16:58:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 16:58:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 16:58:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 16:58:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 16:58:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:58:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 16:58:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 16:58:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 16:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 16:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 16:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 16:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 16:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 16:58:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 16:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 16:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 16:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 16:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 16:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 16:58:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2020-10-12 16:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 16:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 16:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 16:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 16:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 16:58:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 16:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 16:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 16:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 16:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 16:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 16:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 16:58:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 16:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 16:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 16:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 16:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 16:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 16:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 16:58:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 16:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 16:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 16:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 16:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 16:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 16:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 16:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-12 16:58:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 16:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 16:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 16:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 16:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 16:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 16:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 16:58:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 16:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 16:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 16:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 16:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 16:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 16:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 16:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 16:58:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 16:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 16:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 16:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 16:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 16:58:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:58:19,339 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:58:19,339 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 16:58:19,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:58:19 BoogieIcfgContainer [2020-10-12 16:58:19,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:58:19,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:58:19,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:58:19,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:58:19,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:58:16" (1/3) ... [2020-10-12 16:58:19,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:58:19, skipping insertion in model container [2020-10-12 16:58:19,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:58:17" (2/3) ... [2020-10-12 16:58:19,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e8a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:58:19, skipping insertion in model container [2020-10-12 16:58:19,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:58:19" (3/3) ... [2020-10-12 16:58:19,354 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product11.cil.c [2020-10-12 16:58:19,365 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:58:19,373 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:58:19,387 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:58:19,414 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:58:19,414 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:58:19,414 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:58:19,414 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:58:19,414 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:58:19,414 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:58:19,415 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:58:19,415 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:58:19,442 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states. [2020-10-12 16:58:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 16:58:19,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:58:19,469 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2020-10-12 16:58:19,470 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:58:19,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:58:19,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1891169114, now seen corresponding path program 1 times [2020-10-12 16:58:19,485 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:58:19,485 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [36555850] [2020-10-12 16:58:19,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:58:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:20,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:20,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:20,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:20,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:21,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:22,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:24,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:24,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 235 [2020-10-12 16:58:24,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 16:58:24,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5041 [2020-10-12 16:58:24,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:24,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 16:58:24,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:58:24,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 203 [2020-10-12 16:58:24,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-12 16:58:26,742 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-12 16:58:26,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:58:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:26,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:26,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:26,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:58:26,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:26,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-12 16:58:26,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:26,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:26,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:26,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 16:58:26,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:58:26,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:58:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:26,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:26,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:26,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:58:26,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:26,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:58:26,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:26,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:26,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:58:26,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:58:26,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:58:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:26,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:26,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:26,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:58:26,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:26,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:58:26,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:26,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:58:26,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:58:26,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:58:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:27,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:27,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:27,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:58:27,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:27,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:58:27,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:27,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:27,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:27,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 16:58:27,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:27,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:58:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:27,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:27,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:27,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:27,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:31,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 16:58:32,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:58:32,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 16:58:32,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:58:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 16:58:32,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:58:32,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:58:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:58:32,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:58:32,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:58:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 16:58:32,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:58:32,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:58:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:58:32,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:58:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:58:32,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:58:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:58:32,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:58:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-12 16:58:32,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:58:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:58:32,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:58:32,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:58:32,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:58:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 16:58:32,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 16:58:32,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:58:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 16:58:32,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:58:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:58:32,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:58:32,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:58:32,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:58:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:58:32,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:58:32,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:58:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:58:32,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 16:58:32,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 16:58:32,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:58:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 16:58:32,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:58:32,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:58:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:58:32,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:58:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:58:32,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:58:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 16:58:32,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 16:58:32,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:32,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 16:58:32,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:58:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:58:32,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:58:32,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:58:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:58:32,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:58:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:58:32,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:32,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:58:32,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:58:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:58:32,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:58:32,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:58:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:58:32,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:58:32,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:58:32,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:58:32,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:58:32,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:58:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:58:32,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:58:32,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:58:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:58:32,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:58:32,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:58:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:58:32,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:58:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:58:32,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:58:32,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:58:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:58:32,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:58:32,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:58:32,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:58:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:58:32,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:58:32,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:58:32,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:58:32,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:58:32,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:58:32,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:58:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:58:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:58:32,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:58:32,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:58:32,999 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 16:58:33,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [36555850] [2020-10-12 16:58:33,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:58:33,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:58:33,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804445103] [2020-10-12 16:58:33,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:58:33,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:58:33,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:58:33,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:58:33,033 INFO L87 Difference]: Start difference. First operand 386 states. Second operand 21 states. [2020-10-12 16:58:35,348 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-12 16:58:37,553 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 16:58:39,926 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-12 16:58:41,533 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 16:58:43,168 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 16:58:44,783 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 16:58:51,014 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-12 16:58:59,516 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 16:59:01,124 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 16:59:02,667 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 16:59:05,513 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 16:59:07,060 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 16:59:19,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:59:19,312 INFO L93 Difference]: Finished difference Result 1625 states and 2439 transitions. [2020-10-12 16:59:19,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-12 16:59:19,315 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 157 [2020-10-12 16:59:19,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:59:19,345 INFO L225 Difference]: With dead ends: 1625 [2020-10-12 16:59:19,345 INFO L226 Difference]: Without dead ends: 1126 [2020-10-12 16:59:19,357 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2485 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=1456, Invalid=6026, Unknown=0, NotChecked=0, Total=7482 [2020-10-12 16:59:19,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1126 states. [2020-10-12 16:59:19,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1126 to 682. [2020-10-12 16:59:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2020-10-12 16:59:19,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 907 transitions. [2020-10-12 16:59:19,774 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 907 transitions. Word has length 157 [2020-10-12 16:59:19,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:59:19,774 INFO L479 AbstractCegarLoop]: Abstraction has 682 states and 907 transitions. [2020-10-12 16:59:19,774 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 16:59:19,775 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 907 transitions. [2020-10-12 16:59:19,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-12 16:59:19,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:59:19,784 INFO L422 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:59:19,784 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:59:19,784 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:59:19,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:59:19,785 INFO L82 PathProgramCache]: Analyzing trace with hash 828232251, now seen corresponding path program 1 times [2020-10-12 16:59:19,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:59:19,785 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043756415] [2020-10-12 16:59:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:59:19,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:19,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:19,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:20,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:20,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:20,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:24,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:24,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-12 16:59:24,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:59:24,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 16:59:24,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:59:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 16:59:24,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 16:59:24,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:26,336 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-12 16:59:26,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:59:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:26,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:26,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:26,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:59:26,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:26,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 16:59:26,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:26,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:26,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:26,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:26,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:26,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:59:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:26,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:26,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:26,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:59:26,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:26,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:59:26,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:26,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:26,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:26,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:59:26,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:26,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:26,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:26,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:59:26,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:26,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:59:26,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:26,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:26,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:26,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:59:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:26,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:26,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:26,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:59:26,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:26,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:59:26,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:26,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:26,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:26,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:59:26,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:26,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:26,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:26,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:26,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:26,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:31,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 16:59:31,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 16:59:31,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 16:59:31,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:59:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-12 16:59:31,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:59:31,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:31,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:59:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:31,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:31,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:59:31,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:31,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:59:31,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:31,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:31,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:31,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:31,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:31,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:59:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:31,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:31,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 16:59:31,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:31,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:59:31,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:31,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:31,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:31,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:31,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:31,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:59:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:31,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:31,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:31,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:31,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:59:31,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:31,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:31,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:31,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:31,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:31,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:59:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:31,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:31,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:31,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:31,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:59:31,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:31,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:31,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:31,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:59:31,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:31,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:31,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 16:59:31,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 16:59:31,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-12 16:59:31,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:31,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:59:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 16:59:31,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 16:59:31,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:31,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:59:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:31,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:31,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 16:59:31,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:59:31,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 16:59:31,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:31,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:59:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:31,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:59:31,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:31,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:59:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:31,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:31,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:59:31,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:59:31,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:59:31,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:59:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:31,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 16:59:31,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:31,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 16:59:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:31,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:31,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:31,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:31,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 16:59:31,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:59:31,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:59:31,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:59:31,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 6 [2020-10-12 16:59:31,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:59:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:31,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:31,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 16:59:32,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:59:32,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 16:59:32,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:59:32,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 16:59:32,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 16:59:32,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:59:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 16:59:32,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-12 16:59:32,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:59:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:32,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 16:59:32,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:59:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:32,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:59:32,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:59:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:32,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 16:59:32,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:59:32,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:32,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:59:32,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:59:32,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:32,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:59:32,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:59:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 16:59:32,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:59:32,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 16:59:32,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:59:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:32,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:59:32,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:32,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 16:59:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:32,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:59:32,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:32,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:59:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:32,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:59:32,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:59:32,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:59:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:32,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:59:32,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:59:32,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:59:32,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:32,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:59:32,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:59:32,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:59:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 16:59:32,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:59:32,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:59:32,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 16:59:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:59:32,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:59:32,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:59:32,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:59:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 16:59:32,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:59:32,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 16:59:32,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:59:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:59:32,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:59:32,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 16:59:32,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:59:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:59:32,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:59:32,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:59:32,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 16:59:32,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:59:32,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:59:32,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:59:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:59:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 16:59:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:59:32,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:59:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-12 16:59:32,509 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043756415] [2020-10-12 16:59:32,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:59:32,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 16:59:32,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868735927] [2020-10-12 16:59:32,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 16:59:32,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:59:32,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 16:59:32,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-10-12 16:59:32,515 INFO L87 Difference]: Start difference. First operand 682 states and 907 transitions. Second operand 24 states. [2020-10-12 16:59:36,872 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 16:59:38,362 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 16:59:40,234 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-12 16:59:42,174 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 16:59:43,781 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 16:59:45,325 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-12 16:59:46,926 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-12 16:59:48,374 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 16:59:49,839 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 16:59:51,318 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 16:59:52,837 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 16:59:54,701 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 16:59:56,285 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-12 16:59:57,883 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:00:12,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:00:12,812 INFO L93 Difference]: Finished difference Result 1787 states and 2540 transitions. [2020-10-12 17:00:12,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 17:00:12,816 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 160 [2020-10-12 17:00:12,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:00:12,834 INFO L225 Difference]: With dead ends: 1787 [2020-10-12 17:00:12,834 INFO L226 Difference]: Without dead ends: 1141 [2020-10-12 17:00:12,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1072 ImplicationChecksByTransitivity, 23.5s TimeCoverageRelationStatistics Valid=701, Invalid=3991, Unknown=0, NotChecked=0, Total=4692 [2020-10-12 17:00:12,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2020-10-12 17:00:13,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 694. [2020-10-12 17:00:13,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 694 states. [2020-10-12 17:00:13,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 921 transitions. [2020-10-12 17:00:13,086 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 921 transitions. Word has length 160 [2020-10-12 17:00:13,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:00:13,087 INFO L479 AbstractCegarLoop]: Abstraction has 694 states and 921 transitions. [2020-10-12 17:00:13,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 17:00:13,087 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 921 transitions. [2020-10-12 17:00:13,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-12 17:00:13,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:00:13,092 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:00:13,092 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:00:13,093 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:00:13,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:00:13,093 INFO L82 PathProgramCache]: Analyzing trace with hash 929283216, now seen corresponding path program 1 times [2020-10-12 17:00:13,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:00:13,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746165149] [2020-10-12 17:00:13,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:00:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:13,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:13,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:13,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:13,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:18,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:18,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-12 17:00:18,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:00:18,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 17:00:18,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:00:18,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:00:18,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 209 [2020-10-12 17:00:18,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:19,756 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-12 17:00:19,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:00:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:19,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:19,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:19,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:00:19,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:19,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-12 17:00:19,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:19,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:19,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:19,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:00:19,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:19,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:00:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:19,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:19,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:19,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:00:19,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:19,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:00:19,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:19,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:19,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:19,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:00:19,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:19,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:00:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:19,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:19,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:19,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:00:19,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:19,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:19,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:19,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:00:19,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:19,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:00:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:19,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:19,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:19,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:00:19,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:19,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:19,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:19,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:19,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:19,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:00:19,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:19,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:00:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:19,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:19,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:19,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:00:20,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:00:20,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 441 [2020-10-12 17:00:20,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:00:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:00:20,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:00:20,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:00:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:00:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:00:20,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:00:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:00:20,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:00:20,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:00:20,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:00:20,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:00:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:00:20,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:00:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:00:20,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:00:20,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:00:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:00:20,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:00:20,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:00:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:00:20,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:00:20,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:00:20,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:00:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:00:20,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:00:20,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-12 17:00:20,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:00:20,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:00:20,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:00:20,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:00:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:00:20,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:00:20,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:00:20,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:00:20,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:00:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:00:20,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:00:20,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:00:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:00:20,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:00:20,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:00:20,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:00:20,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:00:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:00:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:00:20,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:00:20,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:20,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:00:20,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:00:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:00:20,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:00:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:00:20,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:00:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:00:20,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:20,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:00:20,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:00:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:00:20,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:00:20,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 17:00:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:00:20,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:20,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:00:20,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:00:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:00:20,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:00:20,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:00:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:00:20,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:00:20,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:00:20,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 17:00:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:00:20,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:00:20,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:00:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:00:20,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:00:20,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 17:00:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:00:20,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:00:20,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:20,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 17:00:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:00:20,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:00:20,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:00:20,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:00:20,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:00:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:00:20,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:00:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:00:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:00:20,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:00:20,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:00:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-10-12 17:00:21,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746165149] [2020-10-12 17:00:21,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 17:00:21,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2020-10-12 17:00:21,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702362741] [2020-10-12 17:00:21,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 17:00:21,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:00:21,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 17:00:21,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2020-10-12 17:00:21,038 INFO L87 Difference]: Start difference. First operand 694 states and 921 transitions. Second operand 21 states. [2020-10-12 17:00:23,318 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-12 17:00:25,269 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:00:27,971 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 527 [2020-10-12 17:00:29,514 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:00:31,072 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:00:32,645 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:00:38,267 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 525 [2020-10-12 17:00:46,886 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:00:48,498 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:00:49,959 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:00:52,644 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:00:54,202 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:01:04,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:01:04,471 INFO L93 Difference]: Finished difference Result 2719 states and 3906 transitions. [2020-10-12 17:01:04,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-10-12 17:01:04,472 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 163 [2020-10-12 17:01:04,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:01:04,485 INFO L225 Difference]: With dead ends: 2719 [2020-10-12 17:01:04,486 INFO L226 Difference]: Without dead ends: 2098 [2020-10-12 17:01:04,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 814 ImplicationChecksByTransitivity, 21.0s TimeCoverageRelationStatistics Valid=714, Invalid=2946, Unknown=0, NotChecked=0, Total=3660 [2020-10-12 17:01:04,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2020-10-12 17:01:04,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 1304. [2020-10-12 17:01:04,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-10-12 17:01:04,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 1748 transitions. [2020-10-12 17:01:04,911 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 1748 transitions. Word has length 163 [2020-10-12 17:01:04,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:01:04,912 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 1748 transitions. [2020-10-12 17:01:04,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 17:01:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1748 transitions. [2020-10-12 17:01:04,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-12 17:01:04,919 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:01:04,919 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:01:04,919 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:01:04,920 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:01:04,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:01:04,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1012100186, now seen corresponding path program 1 times [2020-10-12 17:01:04,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:01:04,921 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449371157] [2020-10-12 17:01:04,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:01:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:05,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:05,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:05,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:06,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:06,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:06,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:09,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:09,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 17:01:09,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:01:09,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:01:09,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 17:01:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-12 17:01:09,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-12 17:01:09,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:11,636 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 523 [2020-10-12 17:01:11,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:01:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:11,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:11,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:11,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:01:11,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 17:01:11,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:11,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:11,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:11,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:01:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:11,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:11,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:11,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:01:11,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:11,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:01:11,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:11,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:11,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:11,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:11,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:11,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:01:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:11,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:11,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:11,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:01:11,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:11,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:01:11,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:11,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:11,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:11,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:01:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:11,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:11,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:11,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:01:11,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:11,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:01:11,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:11,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:11,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:11,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:11,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:11,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:01:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:11,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:11,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:11,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:11,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:11,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:11,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-12 17:01:16,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:01:16,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:01:16,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:01:16,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 64 [2020-10-12 17:01:16,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:01:16,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:01:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:01:16,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:01:16,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:16,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:01:16,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:01:16,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:16,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:01:16,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:16,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:16,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:01:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:01:16,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:16,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:01:16,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:16,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:16,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:16,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:01:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:01:16,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:16,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:01:16,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:16,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:16,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:01:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:01:16,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:16,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:01:16,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:16,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:16,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:16,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:01:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:01:16,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:16,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:01:16,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:16,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:16,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:01:16,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:01:16,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:16,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:01:16,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:16,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:16,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:01:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:01:16,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:16,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:01:16,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:16,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:16,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:01:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 17:01:16,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:01:16,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:01:16,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:01:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:01:16,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:01:16,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:16,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:01:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:16,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:16,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:16,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:01:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:01:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 17:01:16,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:01:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:16,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:01:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:01:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:01:17,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:01:17,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:01:17,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:01:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:01:17,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:01:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:01:17,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:01:17,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:01:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:01:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:01:17,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 17:01:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:01:17,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 17:01:17,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:01:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:17,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:01:17,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:01:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:01:17,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:01:17,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:01:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:01:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:01:17,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:01:17,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:01:17,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:01:17,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:17,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:01:17,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:01:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:01:17,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:01:17,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:01:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:17,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:01:17,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 17:01:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:01:17,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:01:17,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:01:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:17,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:01:17,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:01:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:01:17,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:01:17,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:01:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:17,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:01:17,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 17:01:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 17:01:17,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:01:17,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:01:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:17,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:01:17,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:01:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:01:17,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:01:17,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:17,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:01:17,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:17,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:01:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:01:17,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:01:17,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:01:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:01:17,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:01:17,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 17:01:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:01:17,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:01:17,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:01:17,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:17,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 17:01:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:01:17,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:01:17,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:01:17,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:01:17,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:01:17,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:01:17,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:01:17,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:01:17,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:01:17,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:01:17,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:01:17,663 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-12 17:01:17,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449371157] [2020-10-12 17:01:17,664 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:01:17,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-12 17:01:17,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138647908] [2020-10-12 17:01:17,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 17:01:17,665 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:01:17,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 17:01:17,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=917, Unknown=0, NotChecked=0, Total=992 [2020-10-12 17:01:17,666 INFO L87 Difference]: Start difference. First operand 1304 states and 1748 transitions. Second operand 32 states. [2020-10-12 17:01:20,344 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 526 [2020-10-12 17:01:22,378 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:01:24,409 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:01:27,005 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:01:29,568 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:01:31,169 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:01:32,910 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:01:35,864 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:01:43,709 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:01:45,369 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:01:46,904 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:01:48,440 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 528 [2020-10-12 17:01:50,017 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 530 [2020-10-12 17:01:51,764 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-12 17:01:53,429 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-12 17:01:58,082 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 525