/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:36:53,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:36:53,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:36:53,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:36:53,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:36:53,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:36:53,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:36:53,717 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:36:53,719 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:36:53,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:36:53,721 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:36:53,722 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:36:53,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:36:53,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:36:53,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:36:53,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:36:53,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:36:53,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:36:53,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:36:53,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:36:53,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:36:53,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:36:53,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:36:53,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:36:53,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:36:53,750 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:36:53,750 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:36:53,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:36:53,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:36:53,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:36:53,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:36:53,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:36:53,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:36:53,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:36:53,762 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:36:53,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:36:53,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:36:53,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:36:53,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:36:53,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:36:53,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:36:53,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:36:53,815 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:36:53,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:36:53,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:36:53,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:36:53,817 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:36:53,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:36:53,818 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:36:53,818 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:36:53,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:36:53,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:36:53,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:36:53,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:36:53,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:36:53,820 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:36:53,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:36:53,820 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:36:53,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:36:53,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:36:53,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:36:53,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:36:53,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:36:53,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:36:53,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:36:53,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:36:53,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:36:53,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:36:53,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:36:53,823 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:36:53,823 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:36:53,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:36:54,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:36:54,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:36:54,156 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:36:54,158 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:36:54,158 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:36:54,159 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product22.cil.c [2020-10-12 17:36:54,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c259b1984/934fcf8e709b4623a66eb3029429d4dc/FLAGf87b4d141 [2020-10-12 17:36:54,822 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:36:54,823 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product22.cil.c [2020-10-12 17:36:54,844 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c259b1984/934fcf8e709b4623a66eb3029429d4dc/FLAGf87b4d141 [2020-10-12 17:36:55,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c259b1984/934fcf8e709b4623a66eb3029429d4dc [2020-10-12 17:36:55,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:36:55,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:36:55,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:36:55,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:36:55,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:36:55,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:36:55" (1/1) ... [2020-10-12 17:36:55,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ccefb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:55, skipping insertion in model container [2020-10-12 17:36:55,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:36:55" (1/1) ... [2020-10-12 17:36:55,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:36:55,140 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:36:55,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:36:55,858 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:36:56,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:36:56,136 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:36:56,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56 WrapperNode [2020-10-12 17:36:56,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:36:56,139 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:36:56,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:36:56,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:36:56,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56" (1/1) ... [2020-10-12 17:36:56,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56" (1/1) ... [2020-10-12 17:36:56,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56" (1/1) ... [2020-10-12 17:36:56,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56" (1/1) ... [2020-10-12 17:36:56,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56" (1/1) ... [2020-10-12 17:36:56,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56" (1/1) ... [2020-10-12 17:36:56,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56" (1/1) ... [2020-10-12 17:36:56,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:36:56,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:36:56,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:36:56,297 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:36:56,298 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:36:56,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:36:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:36:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:36:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:36:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:36:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:36:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:36:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:36:56,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:36:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:36:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:36:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:36:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:36:56,409 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:36:56,410 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:36:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:36:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:36:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:36:56,411 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:36:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:36:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:36:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:36:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:36:56,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-12 17:36:56,413 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:36:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:36:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:36:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:36:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:36:56,414 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:36:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:36:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:36:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:36:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:36:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:36:56,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:36:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:36:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:36:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:36:56,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:36:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:36:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:36:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:36:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:36:56,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:36:56,419 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:36:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:36:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:36:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:36:56,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:36:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:36:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:36:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:36:56,421 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:36:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:36:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:36:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:36:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:36:56,422 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-12 17:36:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-12 17:36:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-12 17:36:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:36:56,423 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:36:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:36:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:36:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:36:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:36:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:36:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:36:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:36:56,425 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:36:56,426 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-12 17:36:56,427 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:36:56,427 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:36:56,427 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:36:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:36:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:36:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:36:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:36:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:36:56,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:36:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:36:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:36:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:36:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:36:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:36:56,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:36:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:36:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:36:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:36:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:36:56,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:36:56,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:36:56,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:36:56,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:36:56,431 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:36:56,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:36:56,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:36:56,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:36:56,432 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:36:56,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:36:56,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:36:56,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:36:56,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:36:56,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:36:56,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:36:56,433 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:36:56,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:36:56,433 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:36:56,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:36:56,434 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:36:56,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-12 17:36:56,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-12 17:36:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:36:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:36:56,434 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:36:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:36:56,435 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:36:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:36:56,436 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:36:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:36:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:36:56,437 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:36:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:36:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:36:56,438 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:36:56,439 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:36:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:36:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:36:56,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:36:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:36:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:36:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:36:56,443 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:36:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:36:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:36:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:36:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:36:56,444 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:36:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:36:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:36:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:36:56,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:36:56,452 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:36:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:36:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:36:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:36:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:36:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:36:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:36:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:36:56,453 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:36:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:36:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-12 17:36:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:36:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:36:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:36:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:36:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:36:56,454 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:36:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:36:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:36:56,455 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:36:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:36:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:36:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:36:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:36:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:36:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:36:56,456 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:36:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:36:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:36:56,457 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:36:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:36:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:36:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:36:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:36:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:36:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:36:56,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:36:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:36:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:36:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:36:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:36:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:36:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:36:56,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:36:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:36:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:36:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:36:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:36:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:36:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:36:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:36:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:36:56,460 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:36:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:36:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:36:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:36:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:36:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:36:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:36:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:36:56,461 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:36:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:36:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:36:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:36:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:36:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:36:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:36:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:36:56,462 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:36:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-12 17:36:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-12 17:36:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:36:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-12 17:36:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-12 17:36:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-12 17:36:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-12 17:36:56,463 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:36:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:36:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:36:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:36:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:36:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:36:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:36:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:36:56,464 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:36:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:36:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:36:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:36:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:36:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:36:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:36:56,465 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:36:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:36:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:36:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:36:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:36:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:36:56,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:36:58,663 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:36:58,664 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:36:58,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:58 BoogieIcfgContainer [2020-10-12 17:36:58,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:36:58,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:36:58,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:36:58,677 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:36:58,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:36:55" (1/3) ... [2020-10-12 17:36:58,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78355bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:36:58, skipping insertion in model container [2020-10-12 17:36:58,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:56" (2/3) ... [2020-10-12 17:36:58,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78355bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:36:58, skipping insertion in model container [2020-10-12 17:36:58,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:58" (3/3) ... [2020-10-12 17:36:58,680 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product22.cil.c [2020-10-12 17:36:58,691 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:36:58,700 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:36:58,714 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:36:58,740 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:36:58,740 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:36:58,740 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:36:58,741 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:36:58,741 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:36:58,741 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:36:58,741 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:36:58,741 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:36:58,773 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states. [2020-10-12 17:36:58,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-12 17:36:58,791 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:36:58,792 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] [2020-10-12 17:36:58,792 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:36:58,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:36:58,799 INFO L82 PathProgramCache]: Analyzing trace with hash 145305660, now seen corresponding path program 1 times [2020-10-12 17:36:58,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:36:58,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1195737841] [2020-10-12 17:36:58,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:36:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:59,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:59,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:59,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:59,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:03,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:03,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:04,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:04,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-12 17:37:04,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-12 17:37:04,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-12 17:37:04,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:04,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 17:37:04,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:37:04,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 165 [2020-10-12 17:37:04,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 17:37:06,355 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:37:06,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:37:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:06,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:06,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:06,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:37:06,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:06,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 137 [2020-10-12 17:37:06,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:37:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:06,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:37:06,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:06,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:37:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:06,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:06,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:06,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:37:06,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:06,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:06,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:06,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:37:06,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:06,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:37:06,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:06,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:37:06,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:06,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:06,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:06,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:37:06,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:06,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:06,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:06,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:37:06,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:06,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:37:06,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:06,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:37:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:06,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:06,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:06,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:37:06,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:06,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:37:06,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:06,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:37:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:06,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:37:06,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:06,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:37:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:06,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:06,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:06,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:06,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:11,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:37:11,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:37:11,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:37:11,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:37:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:37:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:11,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:11,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:11,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:37:11,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:11,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:37:11,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:11,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:11,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:11,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:11,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:11,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:11,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:37:11,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:11,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:37:11,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:11,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:11,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:11,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:11,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:11,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:11,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:11,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:11,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:11,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:11,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:11,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:11,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:11,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:11,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:11,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:37:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:11,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:11,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:11,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:11,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:11,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:11,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:37:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:11,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:11,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:37:11,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:37:11,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-12 17:37:11,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:37:11,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:37:11,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:11,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:11,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:11,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:11,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:37:11,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:11,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 17:37:11,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:37:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:11,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:37:11,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:37:12,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:37:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:12,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:37:12,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:37:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:12,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:37:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:12,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:37:12,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:37:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:37:12,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:37:12,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:12,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:37:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:12,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:37:12,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:12,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:12,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:12,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:12,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:12,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:12,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:37:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:12,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:12,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:12,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:37:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:37:12,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 17:37:12,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:37:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:37:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:12,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:37:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:12,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:37:12,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:37:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:37:12,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:37:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:12,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:37:12,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:37:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:37:12,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:37:12,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:12,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:37:12,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:12,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 17:37:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:37:12,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:37:12,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:37:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:37:12,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:37:12,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 17:37:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:12,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:12,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:12,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:12,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 17:37:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:12,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:12,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:12,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 17:37:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:12,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:12,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:12,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:12,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:12,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:12,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:12,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:12,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:12,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:12,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:12,668 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:37:12,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1195737841] [2020-10-12 17:37:12,672 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:37:12,672 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:37:12,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617401005] [2020-10-12 17:37:12,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:37:12,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:37:12,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:37:12,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=851, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:37:12,697 INFO L87 Difference]: Start difference. First operand 512 states. Second operand 31 states. [2020-10-12 17:37:15,947 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:37:18,171 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:37:20,645 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:37:22,137 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:37:23,710 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:37:25,321 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:37:29,718 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:37:31,268 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:37:33,078 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:37:36,460 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:37:40,335 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:37:42,275 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:37:43,882 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:37:45,405 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:37:47,077 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:37:48,777 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:37:50,814 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:37:52,381 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:37:53,946 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-12 17:37:55,452 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:38:01,057 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:38:03,698 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:38:06,927 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:38:08,594 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:38:10,065 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:38:18,437 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:38:41,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:38:41,362 INFO L93 Difference]: Finished difference Result 2419 states and 3591 transitions. [2020-10-12 17:38:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2020-10-12 17:38:41,364 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 145 [2020-10-12 17:38:41,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:38:41,402 INFO L225 Difference]: With dead ends: 2419 [2020-10-12 17:38:41,402 INFO L226 Difference]: Without dead ends: 1762 [2020-10-12 17:38:41,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8244 ImplicationChecksByTransitivity, 44.6s TimeCoverageRelationStatistics Valid=3453, Invalid=18599, Unknown=0, NotChecked=0, Total=22052 [2020-10-12 17:38:41,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1762 states. [2020-10-12 17:38:42,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1762 to 1232. [2020-10-12 17:38:42,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1232 states. [2020-10-12 17:38:42,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1232 states to 1232 states and 1672 transitions. [2020-10-12 17:38:42,017 INFO L78 Accepts]: Start accepts. Automaton has 1232 states and 1672 transitions. Word has length 145 [2020-10-12 17:38:42,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:38:42,018 INFO L479 AbstractCegarLoop]: Abstraction has 1232 states and 1672 transitions. [2020-10-12 17:38:42,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 17:38:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1232 states and 1672 transitions. [2020-10-12 17:38:42,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 17:38:42,028 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:38:42,028 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 17:38:42,029 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:38:42,029 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:38:42,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:38:42,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1042208678, now seen corresponding path program 1 times [2020-10-12 17:38:42,030 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:38:42,030 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794516831] [2020-10-12 17:38:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:38:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:42,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:42,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:42,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:42,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:42,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:45,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:45,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:47,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:47,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-12 17:38:47,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:38:47,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-12 17:38:47,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-12 17:38:47,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:38:47,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:48,636 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:38:48,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:38:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:48,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:48,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:48,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:38:48,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:48,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-12 17:38:48,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:48,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:48,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:48,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:48,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:38:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:48,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:48,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:48,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:38:48,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:48,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:48,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:48,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:48,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:48,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:48,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:38:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:48,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:48,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:48,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:38:48,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:48,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:48,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:48,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:48,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:48,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:48,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:48,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:38:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:48,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:48,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:48,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:38:48,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:48,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:48,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:48,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:48,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:48,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:48,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:38:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:48,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:48,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:48,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:48,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:49,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:53,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:53,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:38:53,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:38:53,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:38:53,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:38:53,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:38:53,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:53,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:53,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:53,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:53,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:38:53,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:53,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:38:53,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:53,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:53,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:53,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:53,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:53,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:53,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:38:53,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:53,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:53,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:53,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:53,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:53,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:53,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:53,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:53,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:53,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:53,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:53,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:53,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:53,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:38:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:53,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:53,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:53,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:53,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:53,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:53,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:53,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:53,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:53,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:38:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:53,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:53,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:53,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:53,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:38:53,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:53,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-12 17:38:53,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:53,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:53,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:38:53,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:38:53,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:53,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:53,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:53,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:53,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:38:53,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:53,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:38:53,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:53,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:38:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:53,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:38:53,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:53,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:53,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:54,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:38:54,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:38:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:54,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:38:54,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:38:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:54,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:38:54,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:38:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:38:54,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:38:54,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:38:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:38:54,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:38:54,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:38:54,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:54,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:38:54,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:54,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:54,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:54,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:54,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:54,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:54,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:54,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:38:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:54,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:54,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:54,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:54,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:54,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:38:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-12 17:38:54,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:38:54,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-12 17:38:54,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:38:54,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:38:54,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 17:38:54,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:38:54,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:54,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:38:54,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:38:54,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:54,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:38:54,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:38:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:54,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:54,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:38:54,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:38:54,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:38:54,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:38:54,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:38:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:54,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:54,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:54,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:54,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:38:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:54,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:54,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:38:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 17:38:54,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:54,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:54,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:54,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:54,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:38:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:54,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:54,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:54,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:54,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 17:38:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:54,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:54,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:54,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:54,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:54,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:54,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:54,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:54,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:54,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:54,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:54,559 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 17:38:54,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [794516831] [2020-10-12 17:38:54,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:38:54,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 17:38:54,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479754240] [2020-10-12 17:38:54,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 17:38:54,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:38:54,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 17:38:54,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=407, Unknown=0, NotChecked=0, Total=462 [2020-10-12 17:38:54,563 INFO L87 Difference]: Start difference. First operand 1232 states and 1672 transitions. Second operand 22 states. [2020-10-12 17:38:57,334 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:38:59,130 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:39:00,972 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:39:04,238 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-12 17:39:05,743 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:39:07,407 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:39:09,863 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:39:11,484 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:39:16,852 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-12 17:39:26,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:39:26,912 INFO L93 Difference]: Finished difference Result 2828 states and 4020 transitions. [2020-10-12 17:39:26,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 17:39:26,914 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 148 [2020-10-12 17:39:26,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:39:26,932 INFO L225 Difference]: With dead ends: 2828 [2020-10-12 17:39:26,932 INFO L226 Difference]: Without dead ends: 1551 [2020-10-12 17:39:26,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 15.4s TimeCoverageRelationStatistics Valid=406, Invalid=2144, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 17:39:26,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1551 states. [2020-10-12 17:39:27,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1551 to 1152. [2020-10-12 17:39:27,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1152 states. [2020-10-12 17:39:27,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1553 transitions. [2020-10-12 17:39:27,270 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1553 transitions. Word has length 148 [2020-10-12 17:39:27,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:39:27,271 INFO L479 AbstractCegarLoop]: Abstraction has 1152 states and 1553 transitions. [2020-10-12 17:39:27,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 17:39:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1553 transitions. [2020-10-12 17:39:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 17:39:27,274 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:39:27,275 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 17:39:27,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:39:27,275 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:39:27,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:39:27,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1619363873, now seen corresponding path program 1 times [2020-10-12 17:39:27,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:39:27,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2061411563] [2020-10-12 17:39:27,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:39:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:27,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:27,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:28,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:29,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:29,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:29,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:32,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:32,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 17:39:32,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-12 17:39:32,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-12 17:39:32,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:32,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 17:39:32,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-12 17:39:32,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 137 [2020-10-12 17:39:32,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:34,186 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:39:34,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:39:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:34,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:34,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:39:34,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:34,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-12 17:39:34,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:34,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:34,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:34,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:39:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:34,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:34,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:39:34,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:34,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:34,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:34,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:34,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:34,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:34,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:34,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:39:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:34,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:34,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:39:34,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:34,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:34,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:34,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:34,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:34,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:39:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:34,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:34,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:39:34,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:34,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:34,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:34,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:34,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:34,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:34,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:39:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:34,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:34,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:36,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:39:39,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-12 17:39:39,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-12 17:39:39,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:39:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:39:39,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:39:39,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:39:39,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:39:39,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:39:39,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:39:39,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:39,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:39,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:39:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:39,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:39,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:39:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:39:39,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:39:39,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-12 17:39:39,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:39:39,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:39:39,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:39:39,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:39:39,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:39:39,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:39:39,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:39:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:39:39,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:39:39,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:39:39,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:39:39,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:39:39,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:39:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:39,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:39:39,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:39:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:39:39,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:39:39,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:39:39,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:39:39,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:39:39,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:39:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:39,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:39:39,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:39,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:39,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:39,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:39:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:39,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:39:39,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:39:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:39:39,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:39:39,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:39:39,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 17:39:39,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:39:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:39,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:39,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:39:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:39,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:39,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:39:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:39,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:39:39,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:39:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:39:39,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:39:39,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:39,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:39:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:39:39,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:39:39,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:39:39,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:39:39,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:39:39,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:39:39,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:39:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:39,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:39,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:39,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:39,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:39,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:39,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:39,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:39,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:39,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:39:39,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:39:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:40,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:40,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:40,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:40,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:40,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:40,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:40,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:40,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:40,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:40,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:40,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:39:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:39:40,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:39:40,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:39:40,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:39:40,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:39:40,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:39:40,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:39:40,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:39:40,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:39:40,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:39:40,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:39:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-12 17:39:40,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2061411563] [2020-10-12 17:39:40,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:39:40,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 17:39:40,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298187609] [2020-10-12 17:39:40,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 17:39:40,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:39:40,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 17:39:40,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2020-10-12 17:39:40,078 INFO L87 Difference]: Start difference. First operand 1152 states and 1553 transitions. Second operand 25 states. [2020-10-12 17:39:43,763 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-12 17:39:45,242 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:39:47,138 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:39:49,057 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 567 [2020-10-12 17:39:50,699 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-12 17:39:52,178 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:39:54,290 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:39:57,688 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:39:59,265 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-12 17:40:03,607 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-12 17:40:05,389 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-12 17:40:07,991 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 572 [2020-10-12 17:40:09,592 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:40:24,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:40:24,041 INFO L93 Difference]: Finished difference Result 2686 states and 3798 transitions. [2020-10-12 17:40:24,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-12 17:40:24,042 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 149 [2020-10-12 17:40:24,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:40:24,053 INFO L225 Difference]: With dead ends: 2686 [2020-10-12 17:40:24,053 INFO L226 Difference]: Without dead ends: 1568 [2020-10-12 17:40:24,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 903 ImplicationChecksByTransitivity, 22.8s TimeCoverageRelationStatistics Valid=766, Invalid=3656, Unknown=0, NotChecked=0, Total=4422 [2020-10-12 17:40:24,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2020-10-12 17:40:24,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1178. [2020-10-12 17:40:24,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2020-10-12 17:40:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1592 transitions. [2020-10-12 17:40:24,415 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1592 transitions. Word has length 149 [2020-10-12 17:40:24,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:40:24,415 INFO L479 AbstractCegarLoop]: Abstraction has 1178 states and 1592 transitions. [2020-10-12 17:40:24,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 17:40:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1592 transitions. [2020-10-12 17:40:24,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 17:40:24,419 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:40:24,420 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 17:40:24,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 17:40:24,420 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:40:24,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:40:24,421 INFO L82 PathProgramCache]: Analyzing trace with hash -639704241, now seen corresponding path program 1 times [2020-10-12 17:40:24,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:40:24,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728664463] [2020-10-12 17:40:24,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:40:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:24,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:24,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:24,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:24,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:24,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:29,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:29,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 17:40:29,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:40:29,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-12 17:40:29,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:29,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:40:29,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-12 17:40:29,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:40:29,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:30,864 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-12 17:40:30,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:40:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:30,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:30,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:30,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:40:30,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-12 17:40:30,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:30,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:30,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:40:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:30,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:30,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:30,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:40:30,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:30,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:30,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:30,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:30,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:30,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:40:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:30,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:30,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:30,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:40:30,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:30,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:30,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:30,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:30,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:30,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:30,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:30,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:40:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:30,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:30,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:30,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:40:30,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:30,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:30,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:30,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:30,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:30,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:40:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:30,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:31,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:31,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:31,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:31,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:35,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:35,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 17:40:35,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:40:35,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-12 17:40:35,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:35,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:40:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-12 17:40:35,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:40:35,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:40:36,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:40:36,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:40:36,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:40:36,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:36,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:40:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:36,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:40:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:40:36,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:40:36,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-12 17:40:36,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:40:36,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:40:36,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-12 17:40:36,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-12 17:40:36,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:40:36,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:40:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-12 17:40:36,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:40:36,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:40:36,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:40:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 17:40:36,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:40:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:40:36,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:40:36,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:40:36,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:40:36,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:40:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:40:36,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:40:36,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 17:40:36,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:40:36,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:40:36,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:40:36,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:40:36,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 17:40:36,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:40:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:40:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:40:36,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:40:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:40:36,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:40:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:36,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:40:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:40:36,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 17:40:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:40:36,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:40:36,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:40:36,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:40:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:36,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:40:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:36,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:40:36,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 17:40:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:36,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:36,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:40:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 17:40:36,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:36,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-12 17:40:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:40:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:36,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 17:40:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:40:36,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:36,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:40:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:40:36,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:40:36,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:40:36,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:40:36,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:40:36,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:40:36,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:40:36,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:40:36,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:40:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:40:36,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:40:36,871 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-10-12 17:40:36,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728664463] [2020-10-12 17:40:36,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:40:36,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 17:40:36,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276079251] [2020-10-12 17:40:36,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 17:40:36,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:40:36,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 17:40:36,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=491, Unknown=0, NotChecked=0, Total=552 [2020-10-12 17:40:36,874 INFO L87 Difference]: Start difference. First operand 1178 states and 1592 transitions. Second operand 24 states.