/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --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_spec8_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:49:27,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:49:27,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:49:27,119 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:49:27,120 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:49:27,121 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:49:27,122 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:49:27,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:49:27,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:49:27,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:49:27,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:49:27,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:49:27,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:49:27,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:49:27,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:49:27,132 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:49:27,133 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:49:27,133 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:49:27,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:49:27,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:49:27,138 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:49:27,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:49:27,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:49:27,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:49:27,144 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:49:27,144 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:49:27,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:49:27,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:49:27,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:49:27,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:49:27,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:49:27,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:49:27,148 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:49:27,149 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:49:27,150 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:49:27,150 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:49:27,151 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:49:27,151 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:49:27,151 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:49:27,152 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:49:27,153 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:49:27,154 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 [2020-10-14 06:49:27,176 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:49:27,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:49:27,177 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:49:27,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:49:27,178 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:49:27,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:49:27,178 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:49:27,178 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:49:27,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:49:27,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:49:27,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:49:27,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:49:27,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:49:27,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:49:27,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:49:27,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:49:27,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:49:27,180 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:49:27,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:49:27,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:49:27,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:49:27,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:49:27,181 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:49:27,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:49:27,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:49:27,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:49:27,182 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:49:27,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:49:27,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:49:27,183 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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;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=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:49:27,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:49:27,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:49:27,513 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:49:27,515 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:49:27,515 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:49:27,516 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product22.cil.c [2020-10-14 06:49:27,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/424c63c16/f943b29ea2414f10bdeb9f59d943739b/FLAGd6a030358 [2020-10-14 06:49:28,161 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:49:28,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product22.cil.c [2020-10-14 06:49:28,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/424c63c16/f943b29ea2414f10bdeb9f59d943739b/FLAGd6a030358 [2020-10-14 06:49:28,425 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/424c63c16/f943b29ea2414f10bdeb9f59d943739b [2020-10-14 06:49:28,434 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:49:28,436 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:49:28,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:49:28,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:49:28,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:49:28,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:49:28" (1/1) ... [2020-10-14 06:49:28,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf7d031 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:28, skipping insertion in model container [2020-10-14 06:49:28,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:49:28" (1/1) ... [2020-10-14 06:49:28,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:49:28,529 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:49:29,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:49:29,362 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:49:29,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:49:29,689 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:49:29,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29 WrapperNode [2020-10-14 06:49:29,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:49:29,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:49:29,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:49:29,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:49:29,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29" (1/1) ... [2020-10-14 06:49:29,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29" (1/1) ... [2020-10-14 06:49:29,775 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29" (1/1) ... [2020-10-14 06:49:29,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29" (1/1) ... [2020-10-14 06:49:29,838 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29" (1/1) ... [2020-10-14 06:49:29,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29" (1/1) ... [2020-10-14 06:49:29,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29" (1/1) ... [2020-10-14 06:49:29,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:49:29,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:49:29,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:49:29,906 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:49:29,907 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29" (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 [2020-10-14 06:49:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:49:29,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:49:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:49:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-14 06:49:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-14 06:49:29,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-14 06:49:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-14 06:49:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-14 06:49:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-14 06:49:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-14 06:49:29,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-14 06:49:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:49:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:49:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-14 06:49:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-14 06:49:29,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-14 06:49:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-14 06:49:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-14 06:49:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-14 06:49:29,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-14 06:49:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-14 06:49:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-14 06:49:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-14 06:49:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-14 06:49:29,995 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-14 06:49:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-14 06:49:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-14 06:49:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-14 06:49:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-14 06:49:29,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-14 06:49:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-14 06:49:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-14 06:49:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-14 06:49:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-14 06:49:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-14 06:49:29,997 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-14 06:49:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-14 06:49:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-14 06:49:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-14 06:49:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-14 06:49:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-14 06:49:29,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-14 06:49:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-14 06:49:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-14 06:49:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-14 06:49:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:49:29,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:49:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:49:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:49:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:49:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:49:30,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:49:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:49:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-14 06:49:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-14 06:49:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-14 06:49:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-14 06:49:30,001 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-14 06:49:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-14 06:49:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-14 06:49:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-14 06:49:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-14 06:49:30,002 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-14 06:49:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-14 06:49:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-14 06:49:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-14 06:49:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-14 06:49:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-14 06:49:30,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-14 06:49:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-14 06:49:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-14 06:49:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-14 06:49:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:49:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:49:30,004 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:49:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:49:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-14 06:49:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-14 06:49:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-14 06:49:30,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-14 06:49:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-14 06:49:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-14 06:49:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-14 06:49:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-14 06:49:30,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-14 06:49:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-14 06:49:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-14 06:49:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-14 06:49:30,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-14 06:49:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-14 06:49:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-14 06:49:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-14 06:49:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-14 06:49:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-14 06:49:30,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-14 06:49:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-14 06:49:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-14 06:49:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-14 06:49:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-14 06:49:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-14 06:49:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-14 06:49:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-14 06:49:30,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-14 06:49:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-14 06:49:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-14 06:49:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-14 06:49:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-14 06:49:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-14 06:49:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-14 06:49:30,010 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-14 06:49:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-14 06:49:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-14 06:49:30,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-14 06:49:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:49:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:49:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:49:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-14 06:49:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-14 06:49:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-14 06:49:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-14 06:49:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-14 06:49:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-14 06:49:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-14 06:49:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-14 06:49:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-14 06:49:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-14 06:49:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:49:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:49:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:49:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-14 06:49:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-14 06:49:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-14 06:49:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-14 06:49:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-14 06:49:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-14 06:49:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-14 06:49:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-14 06:49:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-14 06:49:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-14 06:49:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-14 06:49:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:49:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:49:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:49:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-14 06:49:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-14 06:49:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-14 06:49:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-14 06:49:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-14 06:49:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-14 06:49:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-14 06:49:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-14 06:49:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-14 06:49:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-14 06:49:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-14 06:49:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-14 06:49:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-14 06:49:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-14 06:49:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:49:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-14 06:49:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-14 06:49:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-14 06:49:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-14 06:49:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-14 06:49:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-14 06:49:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-14 06:49:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-14 06:49:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-14 06:49:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-14 06:49:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-14 06:49:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-14 06:49:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-14 06:49:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-14 06:49:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-14 06:49:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-14 06:49:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-14 06:49:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-14 06:49:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-14 06:49:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-14 06:49:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-14 06:49:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:49:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:49:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:49:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:49:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:49:30,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:49:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:49:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:49:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:49:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:49:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:49:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:49:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:49:30,024 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:49:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:49:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:49:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:49:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-14 06:49:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-14 06:49:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-14 06:49:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-14 06:49:30,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-14 06:49:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-14 06:49:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-14 06:49:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-14 06:49:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-14 06:49:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-14 06:49:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-14 06:49:30,026 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-14 06:49:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-14 06:49:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-14 06:49:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-14 06:49:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-14 06:49:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-14 06:49:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-14 06:49:30,027 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-14 06:49:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-14 06:49:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-14 06:49:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-14 06:49:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-14 06:49:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:49:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-14 06:49:30,028 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-14 06:49:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-14 06:49:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-14 06:49:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-14 06:49:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-14 06:49:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-14 06:49:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-14 06:49:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-14 06:49:30,029 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-14 06:49:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-14 06:49:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-14 06:49:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-14 06:49:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-14 06:49:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-14 06:49:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-14 06:49:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-14 06:49:30,030 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-14 06:49:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:49:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:49:30,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:49:32,102 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:49:32,102 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 06:49:32,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:49:32 BoogieIcfgContainer [2020-10-14 06:49:32,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:49:32,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:49:32,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:49:32,115 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:49:32,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:49:28" (1/3) ... [2020-10-14 06:49:32,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768f7ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:49:32, skipping insertion in model container [2020-10-14 06:49:32,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:49:29" (2/3) ... [2020-10-14 06:49:32,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@768f7ec2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:49:32, skipping insertion in model container [2020-10-14 06:49:32,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:49:32" (3/3) ... [2020-10-14 06:49:32,119 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product22.cil.c [2020-10-14 06:49:32,130 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:49:32,139 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:49:32,154 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:49:32,182 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:49:32,183 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:49:32,183 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:49:32,183 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:49:32,183 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:49:32,183 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:49:32,183 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:49:32,183 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:49:32,214 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states. [2020-10-14 06:49:32,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 06:49:32,233 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:49:32,234 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:49:32,235 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:49:32,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:49:32,242 INFO L82 PathProgramCache]: Analyzing trace with hash 145305660, now seen corresponding path program 1 times [2020-10-14 06:49:32,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:49:32,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513938222] [2020-10-14 06:49:32,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:49:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:32,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:33,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:33,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:33,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:36,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:37,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:37,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:37,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 06:49:37,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:49:37,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-10-14 06:49:37,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:37,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:37,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:37,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 06:49:37,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:37,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-14 06:49:39,680 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:49:39,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:49:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:39,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:39,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:39,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:49:39,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:39,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-14 06:49:39,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:39,759 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:39,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:39,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:39,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:49:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:39,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:39,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:39,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:49:39,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:39,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:39,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:39,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:39,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:39,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:39,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:49:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:39,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:39,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:39,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:49:39,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:39,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:39,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:39,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:39,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:39,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:39,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:49:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:39,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:39,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:39,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:49:39,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:39,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:39,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:39,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:39,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:49:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:39,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:39,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:39,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:40,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:41,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:44,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:44,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:49:44,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:49:44,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-14 06:49:44,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:44,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:44,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:44,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:49:44,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:49:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:44,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:44,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:44,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:49:44,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:49:44,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:44,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:44,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:44,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:44,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:44,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:49:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:44,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:44,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:44,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:49:44,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:49:44,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:49:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:49:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:49:45,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-14 06:49:45,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:49:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:49:45,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-14 06:49:45,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:49:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:49:45,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:49:45,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:49:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:49:45,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:49:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:49:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:49:45,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:49:45,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:49:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:49:45,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:49:45,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:49:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:49:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:49:45,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,200 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:49:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:49:45,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:49:45,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,250 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:49:45,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:49:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:49:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:49:45,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:49:45,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 06:49:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:49:45,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-14 06:49:45,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 06:49:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:49:45,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:49:45,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:49:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:49:45,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 06:49:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,340 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:49:45,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 06:49:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:45,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:45,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:49:45,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:49:45,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:49:45,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:49:45,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:49:45,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:49:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:49:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:49:45,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:49:45,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:49:45,400 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:49:45,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513938222] [2020-10-14 06:49:45,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:49:45,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:49:45,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929609416] [2020-10-14 06:49:45,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:49:45,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:49:45,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:49:45,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:49:45,426 INFO L87 Difference]: Start difference. First operand 512 states. Second operand 10 states. [2020-10-14 06:49:57,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:49:57,080 INFO L93 Difference]: Finished difference Result 1114 states and 1615 transitions. [2020-10-14 06:49:57,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 06:49:57,082 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-10-14 06:49:57,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:49:57,108 INFO L225 Difference]: With dead ends: 1114 [2020-10-14 06:49:57,108 INFO L226 Difference]: Without dead ends: 780 [2020-10-14 06:49:57,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-14 06:49:57,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-10-14 06:49:57,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 489. [2020-10-14 06:49:57,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-10-14 06:49:57,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 647 transitions. [2020-10-14 06:49:57,432 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 647 transitions. Word has length 145 [2020-10-14 06:49:57,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:49:57,433 INFO L479 AbstractCegarLoop]: Abstraction has 489 states and 647 transitions. [2020-10-14 06:49:57,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:49:57,433 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 647 transitions. [2020-10-14 06:49:57,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 06:49:57,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:49:57,439 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:49:57,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:49:57,440 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:49:57,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:49:57,440 INFO L82 PathProgramCache]: Analyzing trace with hash 1475603101, now seen corresponding path program 1 times [2020-10-14 06:49:57,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:49:57,441 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345117234] [2020-10-14 06:49:57,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:49:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:49:57,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:57,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:57,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:57,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:49:57,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:02,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:02,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 06:50:02,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:50:02,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-14 06:50:02,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:02,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:50:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:50:02,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 06:50:02,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:04,155 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:50:04,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:50:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:04,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:04,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:04,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:50:04,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:04,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-14 06:50:04,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:04,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:04,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:04,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:04,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:04,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:04,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:50:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:04,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:04,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:04,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:50:04,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:04,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:04,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:04,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:04,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:04,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:04,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:50:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:04,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:04,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:04,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:50:04,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:04,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:04,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:04,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:04,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:04,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:04,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:04,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:50:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:04,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:04,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:04,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:50:04,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:04,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:04,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:04,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:04,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:04,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:04,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:04,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:04,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:50:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:04,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:04,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:04,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:04,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:05,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:50:09,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:50:09,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 06:50:09,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,279 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:50:09,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:50:09,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:50:09,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:50:09,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:50:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:09,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:50:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:50:09,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:50:09,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,391 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:50:09,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,398 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:50:09,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:09,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:09,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:50:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:50:09,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:50:09,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,417 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:50:09,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:50:09,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:09,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,431 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:50:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:50:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:50:09,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:50:09,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:50:09,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:09,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:09,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:50:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:09,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 06:50:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:50:09,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 06:50:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:50:09,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:50:09,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:50:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:50:09,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:09,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:50:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:50:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:09,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 06:50:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:09,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:09,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:09,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:09,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:09,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:09,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:09,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:09,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:09,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:50:09,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:09,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:09,607 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:50:09,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345117234] [2020-10-14 06:50:09,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:50:09,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:50:09,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576902302] [2020-10-14 06:50:09,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:50:09,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:50:09,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:50:09,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:50:09,612 INFO L87 Difference]: Start difference. First operand 489 states and 647 transitions. Second operand 11 states. [2020-10-14 06:50:13,975 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-14 06:50:26,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:50:26,596 INFO L93 Difference]: Finished difference Result 1029 states and 1449 transitions. [2020-10-14 06:50:26,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:50:26,596 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-14 06:50:26,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:50:26,605 INFO L225 Difference]: With dead ends: 1029 [2020-10-14 06:50:26,606 INFO L226 Difference]: Without dead ends: 783 [2020-10-14 06:50:26,608 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-14 06:50:26,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-10-14 06:50:26,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 491. [2020-10-14 06:50:26,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-10-14 06:50:26,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 649 transitions. [2020-10-14 06:50:26,821 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 649 transitions. Word has length 146 [2020-10-14 06:50:26,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:50:26,822 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 649 transitions. [2020-10-14 06:50:26,822 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:50:26,822 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 649 transitions. [2020-10-14 06:50:26,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-14 06:50:26,826 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:50:26,826 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:50:26,826 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:50:26,826 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:50:26,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:50:26,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1631744993, now seen corresponding path program 1 times [2020-10-14 06:50:26,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:50:26,827 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1537381536] [2020-10-14 06:50:26,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:50:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:26,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:26,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:27,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:27,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:27,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:27,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:27,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:27,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:31,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:31,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 06:50:31,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-14 06:50:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-14 06:50:31,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:31,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:31,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:50:31,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:50:31,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-14 06:50:31,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:33,250 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:50:33,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:50:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:33,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:33,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:33,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:50:33,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:33,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 06:50:33,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:33,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:33,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:33,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:33,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:33,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:50:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:33,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:33,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:33,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:50:33,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:33,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:33,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:33,322 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:33,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:33,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:33,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:50:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:33,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:33,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:33,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:50:33,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:33,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:33,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:33,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:33,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:33,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:33,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:33,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:33,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:50:33,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:33,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:33,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:33,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:50:33,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:33,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:33,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:33,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:33,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:50:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:33,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:33,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:33,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:33,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:34,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:50:38,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:50:38,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 06:50:38,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:50:38,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:50:38,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,403 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:50:38,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:50:38,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:38,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:38,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:38,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:50:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:38,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,457 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:50:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:50:38,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:50:38,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:50:38,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:38,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:38,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,475 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:50:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:38,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:50:38,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:50:38,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:50:38,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:50:38,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:50:38,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,495 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:38,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,500 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:38,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:50:38,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:38,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 06:50:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:50:38,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:50:38,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:50:38,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:50:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:38,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:50:38,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:50:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:38,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:50:38,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 06:50:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:38,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:50:38,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 06:50:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:50:38,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:38,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:50:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 06:50:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:38,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:50:38,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 06:50:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:50:38,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:50:38,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 06:50:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:38,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:38,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:50:38,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:50:38,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:50:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:50:38,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:50:38,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:50:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:50:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:50:38,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:50:38,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:50:38,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:50:38,640 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1537381536] [2020-10-14 06:50:38,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:50:38,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:50:38,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065978485] [2020-10-14 06:50:38,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:50:38,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:50:38,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:50:38,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:50:38,642 INFO L87 Difference]: Start difference. First operand 491 states and 649 transitions. Second operand 11 states. [2020-10-14 06:50:42,594 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-14 06:50:56,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:50:56,915 INFO L93 Difference]: Finished difference Result 1337 states and 1963 transitions. [2020-10-14 06:50:56,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:50:56,922 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-10-14 06:50:56,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:50:56,938 INFO L225 Difference]: With dead ends: 1337 [2020-10-14 06:50:56,938 INFO L226 Difference]: Without dead ends: 911 [2020-10-14 06:50:56,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:50:56,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-10-14 06:50:57,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 533. [2020-10-14 06:50:57,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-10-14 06:50:57,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 721 transitions. [2020-10-14 06:50:57,112 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 721 transitions. Word has length 158 [2020-10-14 06:50:57,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:50:57,113 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 721 transitions. [2020-10-14 06:50:57,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:50:57,113 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 721 transitions. [2020-10-14 06:50:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 06:50:57,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:50:57,117 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:50:57,117 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:50:57,117 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:50:57,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:50:57,118 INFO L82 PathProgramCache]: Analyzing trace with hash 179395100, now seen corresponding path program 1 times [2020-10-14 06:50:57,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:50:57,118 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [31057267] [2020-10-14 06:50:57,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:50:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:50:57,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:57,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:57,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:57,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:50:57,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:02,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:02,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 06:51:02,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:51:02,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 06:51:02,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:02,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:51:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:51:02,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:51:02,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:03,559 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:51:03,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:51:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:03,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:03,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:03,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:51:03,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-14 06:51:03,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:03,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:03,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:51:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:03,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:03,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:03,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:51:03,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:03,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:03,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:03,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:03,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:03,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:03,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:03,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:51:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:03,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:03,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:51:03,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:03,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:03,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:03,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:51:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:03,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:03,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:03,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:51:03,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:03,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:03,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:03,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:03,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:03,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:03,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:03,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:03,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:51:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:03,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:03,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:03,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:03,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:04,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:51:08,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:51:08,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4427 [2020-10-14 06:51:08,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:51:08,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:51:08,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:51:08,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:51:08,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,139 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,144 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:51:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:51:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:51:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:51:08,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:51:08,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:51:08,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:51:08,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:51:08,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:51:08,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:51:08,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:51:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:51:08,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:51:08,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:51:08,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:51:08,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:51:08,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:51:08,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:08,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,220 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 06:51:08,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:51:08,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:51:08,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,251 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:51:08,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:51:08,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:08,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:51:08,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 06:51:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:08,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,304 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:51:08,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 06:51:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:51:08,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:51:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 06:51:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:08,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:51:08,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 06:51:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:08,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:51:08,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 06:51:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:08,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:08,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:08,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:08,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:08,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:08,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:08,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:08,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:08,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:51:08,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:08,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:08,358 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:51:08,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [31057267] [2020-10-14 06:51:08,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:51:08,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:51:08,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208345431] [2020-10-14 06:51:08,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:51:08,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:51:08,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:51:08,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:51:08,360 INFO L87 Difference]: Start difference. First operand 533 states and 721 transitions. Second operand 11 states. [2020-10-14 06:51:12,987 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-14 06:51:27,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:51:27,279 INFO L93 Difference]: Finished difference Result 1622 states and 2503 transitions. [2020-10-14 06:51:27,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:51:27,280 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-14 06:51:27,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:51:27,290 INFO L225 Difference]: With dead ends: 1622 [2020-10-14 06:51:27,290 INFO L226 Difference]: Without dead ends: 1154 [2020-10-14 06:51:27,293 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:51:27,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-14 06:51:27,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 614. [2020-10-14 06:51:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-14 06:51:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 859 transitions. [2020-10-14 06:51:27,527 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 859 transitions. Word has length 159 [2020-10-14 06:51:27,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:51:27,528 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 859 transitions. [2020-10-14 06:51:27,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:51:27,528 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 859 transitions. [2020-10-14 06:51:27,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 06:51:27,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:51:27,532 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:51:27,532 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:51:27,532 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:51:27,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:51:27,532 INFO L82 PathProgramCache]: Analyzing trace with hash 306287135, now seen corresponding path program 1 times [2020-10-14 06:51:27,533 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:51:27,533 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1294069244] [2020-10-14 06:51:27,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:51:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:27,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:27,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:27,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:27,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:27,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:27,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:27,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:27,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:28,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:28,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:31,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:32,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:32,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 06:51:32,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 06:51:32,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-14 06:51:32,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:32,587 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:51:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:51:32,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 06:51:32,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:33,954 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:51:33,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:51:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:33,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:34,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:34,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:51:34,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:34,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-14 06:51:34,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:34,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:34,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:34,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:34,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:51:34,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:51:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:34,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:34,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:34,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:51:34,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:34,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:34,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:34,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:34,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:34,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:34,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:51:34,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:34,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:34,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:34,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:51:34,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:34,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:34,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:34,032 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:34,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:34,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:34,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:34,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:51:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:34,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:34,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:34,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:51:34,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:34,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:34,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:34,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:34,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:34,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:34,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:34,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:34,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:51:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:34,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:34,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:34,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:34,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:34,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:37,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:37,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:51:37,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:51:37,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3816 [2020-10-14 06:51:37,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:37,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:37,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:37,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:37,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:37,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:37,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:37,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:51:37,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:51:37,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:37,928 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:37,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:37,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:37,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:37,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:37,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:51:37,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:37,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:51:37,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:37,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:37,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:37,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:37,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:37,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:37,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:37,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:37,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:37,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:37,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:37,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:37,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:37,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:51:37,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:51:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:37,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:37,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:37,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:37,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:37,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:37,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:37,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:37,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:51:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:37,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:37,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:37,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:51:37,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:37,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:51:37,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:37,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:37,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:37,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:37,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:37,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:37,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:51:38,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:38,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:38,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:38,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:38,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:51:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:38,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:51:38,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:51:38,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:51:38,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:38,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:51:38,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:51:38,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:38,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:38,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:38,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:51:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:38,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:38,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 06:51:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:51:38,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:51:38,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:51:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:51:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:38,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:51:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:38,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,114 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:51:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 06:51:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:38,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:51:38,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 06:51:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:51:38,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:38,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:51:38,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 06:51:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:38,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:51:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 06:51:38,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:51:38,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,133 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:51:38,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 06:51:38,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:38,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:38,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:51:38,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:51:38,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:51:38,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:51:38,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:51:38,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:51:38,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:51:38,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:51:38,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:51:38,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:51:38,170 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:51:38,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1294069244] [2020-10-14 06:51:38,170 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:51:38,170 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:51:38,171 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586518328] [2020-10-14 06:51:38,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:51:38,171 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:51:38,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:51:38,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:51:38,172 INFO L87 Difference]: Start difference. First operand 614 states and 859 transitions. Second operand 11 states. [2020-10-14 06:51:42,749 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-14 06:51:57,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:51:57,386 INFO L93 Difference]: Finished difference Result 2171 states and 3535 transitions. [2020-10-14 06:51:57,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:51:57,387 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-14 06:51:57,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:51:57,402 INFO L225 Difference]: With dead ends: 2171 [2020-10-14 06:51:57,402 INFO L226 Difference]: Without dead ends: 1622 [2020-10-14 06:51:57,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:51:57,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2020-10-14 06:51:57,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 770. [2020-10-14 06:51:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-10-14 06:51:57,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1123 transitions. [2020-10-14 06:51:57,760 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1123 transitions. Word has length 160 [2020-10-14 06:51:57,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:51:57,761 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 1123 transitions. [2020-10-14 06:51:57,761 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:51:57,761 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1123 transitions. [2020-10-14 06:51:57,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 06:51:57,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:51:57,765 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:51:57,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:51:57,766 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:51:57,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:51:57,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1085880483, now seen corresponding path program 1 times [2020-10-14 06:51:57,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:51:57,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330155469] [2020-10-14 06:51:57,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:51:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:51:57,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:57,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:57,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:58,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:58,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:51:58,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:02,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:02,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 06:52:02,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:52:02,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 06:52:02,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:02,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:02,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:52:02,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:52:02,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 06:52:02,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:04,224 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:52:04,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:52:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:04,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:04,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:04,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:52:04,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:04,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 06:52:04,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:04,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:04,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:04,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:04,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:04,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:04,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:52:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:04,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:04,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:04,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:52:04,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:04,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:04,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:04,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:04,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:04,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:04,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:52:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:04,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:04,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:04,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:52:04,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:04,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:04,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:04,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:04,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:04,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:04,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:52:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:04,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:04,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:04,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:52:04,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:04,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:04,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:04,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:04,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:04,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:04,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:52:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:04,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:04,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:04,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:04,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:04,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:52:08,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:52:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3839 [2020-10-14 06:52:08,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:52:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 06:52:08,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:52:08,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:52:08,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,195 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:52:08,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:52:08,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:08,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:52:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:08,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:52:08,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:52:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:52:08,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 06:52:08,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-14 06:52:08,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:52:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 06:52:08,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:52:08,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:08,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:08,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:52:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:08,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:52:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:52:08,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-14 06:52:08,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:52:08,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 06:52:08,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:52:08,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:08,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:52:08,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:52:08,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,332 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:52:08,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:08,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:52:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:08,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,342 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 06:52:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:52:08,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:52:08,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:52:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:52:08,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:52:08,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:52:08,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:52:08,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:52:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:52:08,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 06:52:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:52:08,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:52:08,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,485 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:52:08,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:08,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:52:08,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:08,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,539 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:08,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:52:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:08,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,543 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:52:08,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:52:08,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:52:08,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:08,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:52:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 06:52:08,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:08,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:52:08,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 06:52:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:08,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:52:08,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 06:52:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:08,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:08,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:08,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:08,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:08,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:08,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:08,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:08,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:08,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:52:08,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:08,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:08,615 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:52:08,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330155469] [2020-10-14 06:52:08,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:52:08,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 06:52:08,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674814246] [2020-10-14 06:52:08,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 06:52:08,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:52:08,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 06:52:08,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-14 06:52:08,617 INFO L87 Difference]: Start difference. First operand 770 states and 1123 transitions. Second operand 15 states. [2020-10-14 06:52:10,763 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-14 06:52:13,080 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-14 06:52:16,549 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-14 06:52:34,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:52:34,566 INFO L93 Difference]: Finished difference Result 2992 states and 5086 transitions. [2020-10-14 06:52:34,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-14 06:52:34,567 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 162 [2020-10-14 06:52:34,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:52:34,583 INFO L225 Difference]: With dead ends: 2992 [2020-10-14 06:52:34,583 INFO L226 Difference]: Without dead ends: 2285 [2020-10-14 06:52:34,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=277, Invalid=845, Unknown=0, NotChecked=0, Total=1122 [2020-10-14 06:52:34,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2020-10-14 06:52:35,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 782. [2020-10-14 06:52:35,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2020-10-14 06:52:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1138 transitions. [2020-10-14 06:52:35,066 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1138 transitions. Word has length 162 [2020-10-14 06:52:35,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:52:35,068 INFO L479 AbstractCegarLoop]: Abstraction has 782 states and 1138 transitions. [2020-10-14 06:52:35,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 06:52:35,068 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1138 transitions. [2020-10-14 06:52:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 06:52:35,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:52:35,072 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:52:35,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:52:35,073 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:52:35,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:52:35,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1086430652, now seen corresponding path program 1 times [2020-10-14 06:52:35,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:52:35,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313115131] [2020-10-14 06:52:35,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:52:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:35,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:35,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:35,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:35,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:35,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:35,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:35,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:36,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:37,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:40,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:40,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 06:52:40,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 06:52:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 06:52:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:40,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:52:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:52:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-14 06:52:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:41,531 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:52:41,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:52:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:41,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:41,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:52:41,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 06:52:41,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:41,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:52:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:41,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:41,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:41,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:52:41,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:41,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:41,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:41,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:41,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:41,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:41,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:52:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:41,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:41,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:41,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:52:41,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:41,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:41,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:41,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:41,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:41,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:41,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:41,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:41,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:52:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:41,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:41,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:41,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:52:41,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:41,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:41,584 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:41,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:52:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:41,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:41,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:41,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:41,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:42,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:52:45,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:52:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4002 [2020-10-14 06:52:45,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,617 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:52:45,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:52:45,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,651 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:52:45,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:52:45,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:45,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,680 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:52:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:45,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:52:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:52:45,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:52:45,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,712 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:52:45,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:45,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:45,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:52:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:45,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:52:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:52:45,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:52:45,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:52:45,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:45,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:45,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,744 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:52:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:45,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 06:52:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:52:45,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:52:45,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:52:45,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:52:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:45,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:52:45,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:52:45,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:52:45,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:52:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:45,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:52:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 06:52:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:52:45,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:45,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:52:45,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 06:52:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:45,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:52:45,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 06:52:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:45,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,860 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:52:45,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 06:52:45,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:52:45,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:52:45,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:52:45,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:52:45,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:52:45,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:52:45,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:52:45,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:52:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:52:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:52:45,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:52:45,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:52:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:52:45,900 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313115131] [2020-10-14 06:52:45,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:52:45,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:52:45,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468945458] [2020-10-14 06:52:45,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:52:45,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:52:45,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:52:45,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:52:45,902 INFO L87 Difference]: Start difference. First operand 782 states and 1138 transitions. Second operand 11 states. [2020-10-14 06:52:49,644 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-14 06:53:03,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:53:03,635 INFO L93 Difference]: Finished difference Result 3243 states and 5519 transitions. [2020-10-14 06:53:03,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:53:03,639 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-10-14 06:53:03,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:53:03,657 INFO L225 Difference]: With dead ends: 3243 [2020-10-14 06:53:03,657 INFO L226 Difference]: Without dead ends: 2538 [2020-10-14 06:53:03,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:53:03,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2020-10-14 06:53:04,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 1082. [2020-10-14 06:53:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1082 states. [2020-10-14 06:53:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 1082 states and 1642 transitions. [2020-10-14 06:53:04,243 INFO L78 Accepts]: Start accepts. Automaton has 1082 states and 1642 transitions. Word has length 161 [2020-10-14 06:53:04,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:53:04,243 INFO L479 AbstractCegarLoop]: Abstraction has 1082 states and 1642 transitions. [2020-10-14 06:53:04,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:53:04,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1642 transitions. [2020-10-14 06:53:04,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-10-14 06:53:04,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:53:04,248 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:53:04,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-14 06:53:04,249 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:53:04,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:53:04,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1124406723, now seen corresponding path program 1 times [2020-10-14 06:53:04,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:53:04,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [390520679] [2020-10-14 06:53:04,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:53:04,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:04,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:04,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:04,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:04,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:04,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:09,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:09,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-14 06:53:09,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:53:09,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-14 06:53:09,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:09,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:53:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:53:09,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:53:09,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:10,684 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:53:10,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:53:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:10,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:10,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:10,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:53:10,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:10,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-14 06:53:10,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:10,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:10,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:10,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:10,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:10,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:10,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:53:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:10,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:10,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:10,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:53:10,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:10,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:53:10,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:10,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:10,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:10,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:10,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:53:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:10,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:10,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:10,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:53:10,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:10,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:53:10,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:10,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:10,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:10,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:10,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:53:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:10,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:10,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:53:10,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:53:10,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:53:10,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:53:10,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:53:10,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:53:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:53:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:53:10,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:53:10,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:53:10,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:53:10,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:53:10,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:10,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:10,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:53:10,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking...