/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-14 06:54:41,635 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-14 06:54:41,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-14 06:54:41,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-14 06:54:41,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-14 06:54:41,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-14 06:54:41,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-14 06:54:41,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-14 06:54:41,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-14 06:54:41,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-14 06:54:41,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-14 06:54:41,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-14 06:54:41,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-14 06:54:41,697 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-14 06:54:41,700 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-14 06:54:41,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-14 06:54:41,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-14 06:54:41,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-14 06:54:41,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-14 06:54:41,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-14 06:54:41,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-14 06:54:41,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-14 06:54:41,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-14 06:54:41,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-14 06:54:41,729 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-14 06:54:41,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-14 06:54:41,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-14 06:54:41,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-14 06:54:41,733 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-14 06:54:41,734 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-14 06:54:41,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-14 06:54:41,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-14 06:54:41,736 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-14 06:54:41,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-14 06:54:41,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-14 06:54:41,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-14 06:54:41,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-14 06:54:41,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-14 06:54:41,739 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-14 06:54:41,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-14 06:54:41,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-14 06:54:41,742 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-14 06:54:41,778 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-14 06:54:41,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-14 06:54:41,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-14 06:54:41,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-14 06:54:41,781 INFO L138 SettingsManager]: * Use SBE=true [2020-10-14 06:54:41,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-14 06:54:41,782 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-14 06:54:41,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-14 06:54:41,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-14 06:54:41,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-14 06:54:41,783 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-14 06:54:41,784 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-14 06:54:41,784 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-14 06:54:41,784 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-14 06:54:41,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-14 06:54:41,785 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-14 06:54:41,785 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-14 06:54:41,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-14 06:54:41,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-14 06:54:41,786 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-14 06:54:41,786 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-14 06:54:41,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:54:41,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-14 06:54:41,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-14 06:54:41,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-14 06:54:41,787 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-14 06:54:41,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-14 06:54:41,787 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-14 06:54:41,787 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-14 06:54:41,787 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true;unknown-allowed=true; [2020-10-14 06:54:42,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-14 06:54:42,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-14 06:54:42,102 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-14 06:54:42,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-14 06:54:42,104 INFO L275 PluginConnector]: CDTParser initialized [2020-10-14 06:54:42,104 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product22.cil.c [2020-10-14 06:54:42,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/219b6c670/c5e8b7ba3f0e4e6797bf6a0e5bdeb176/FLAG0e5db8ff3 [2020-10-14 06:54:42,742 INFO L306 CDTParser]: Found 1 translation units. [2020-10-14 06:54:42,743 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec9_product22.cil.c [2020-10-14 06:54:42,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/219b6c670/c5e8b7ba3f0e4e6797bf6a0e5bdeb176/FLAG0e5db8ff3 [2020-10-14 06:54:42,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/219b6c670/c5e8b7ba3f0e4e6797bf6a0e5bdeb176 [2020-10-14 06:54:42,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-14 06:54:42,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-14 06:54:42,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-14 06:54:42,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-14 06:54:42,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-14 06:54:42,977 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:54:42" (1/1) ... [2020-10-14 06:54:42,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df4749d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:42, skipping insertion in model container [2020-10-14 06:54:42,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 06:54:42" (1/1) ... [2020-10-14 06:54:42,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-14 06:54:43,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-14 06:54:43,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:54:43,850 INFO L203 MainTranslator]: Completed pre-run [2020-10-14 06:54:43,941 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-14 06:54:44,034 INFO L208 MainTranslator]: Completed translation [2020-10-14 06:54:44,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44 WrapperNode [2020-10-14 06:54:44,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-14 06:54:44,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-14 06:54:44,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-14 06:54:44,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-14 06:54:44,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44" (1/1) ... [2020-10-14 06:54:44,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44" (1/1) ... [2020-10-14 06:54:44,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44" (1/1) ... [2020-10-14 06:54:44,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44" (1/1) ... [2020-10-14 06:54:44,136 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44" (1/1) ... [2020-10-14 06:54:44,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44" (1/1) ... [2020-10-14 06:54:44,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44" (1/1) ... [2020-10-14 06:54:44,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-14 06:54:44,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-14 06:54:44,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-14 06:54:44,193 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-14 06:54:44,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-14 06:54:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-14 06:54:44,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-14 06:54:44,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-14 06:54:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-14 06:54:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-14 06:54:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-14 06:54:44,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-14 06:54:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-14 06:54:44,270 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-14 06:54:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-14 06:54:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-14 06:54:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-14 06:54:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-14 06:54:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-14 06:54:44,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-14 06:54:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-14 06:54:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-14 06:54:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-14 06:54:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-14 06:54:44,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-14 06:54:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-14 06:54:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-14 06:54:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-14 06:54:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-14 06:54:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-14 06:54:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-14 06:54:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-14 06:54:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-14 06:54:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-14 06:54:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-14 06:54:44,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-14 06:54:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-14 06:54:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-14 06:54:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-14 06:54:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-14 06:54:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-14 06:54:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-14 06:54:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-14 06:54:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-14 06:54:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-14 06:54:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-14 06:54:44,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-14 06:54:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-14 06:54:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-14 06:54:44,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-14 06:54:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-14 06:54:44,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-14 06:54:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-14 06:54:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-14 06:54:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-14 06:54:44,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-14 06:54:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-14 06:54:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-14 06:54:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-14 06:54:44,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-14 06:54:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-14 06:54:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-14 06:54:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-14 06:54:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-14 06:54:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-14 06:54:44,283 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-14 06:54:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-14 06:54:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-14 06:54:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-14 06:54:44,284 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-14 06:54:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-14 06:54:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-14 06:54:44,285 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-14 06:54:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-14 06:54:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-14 06:54:44,286 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-14 06:54:44,287 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-14 06:54:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-14 06:54:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-14 06:54:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-14 06:54:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-14 06:54:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-14 06:54:44,288 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-14 06:54:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-14 06:54:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-14 06:54:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-14 06:54:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-14 06:54:44,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-14 06:54:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-14 06:54:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-14 06:54:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-14 06:54:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-14 06:54:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-14 06:54:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-14 06:54:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-14 06:54:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-14 06:54:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-14 06:54:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-14 06:54:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-14 06:54:44,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-14 06:54:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-14 06:54:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-14 06:54:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-14 06:54:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-14 06:54:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-14 06:54:44,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-14 06:54:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-14 06:54:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-14 06:54:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-14 06:54:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-14 06:54:44,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-14 06:54:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2020-10-14 06:54:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2020-10-14 06:54:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-14 06:54:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-14 06:54:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-14 06:54:44,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-14 06:54:44,295 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-14 06:54:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-14 06:54:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-14 06:54:44,295 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-14 06:54:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-14 06:54:44,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-14 06:54:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-14 06:54:44,297 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-14 06:54:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-14 06:54:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-14 06:54:44,298 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-14 06:54:44,299 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-14 06:54:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-14 06:54:44,300 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-14 06:54:44,303 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-14 06:54:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-14 06:54:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-14 06:54:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-14 06:54:44,304 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-14 06:54:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-14 06:54:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-14 06:54:44,305 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-14 06:54:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-14 06:54:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-14 06:54:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-14 06:54:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-14 06:54:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-14 06:54:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-14 06:54:44,306 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-14 06:54:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-14 06:54:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-14 06:54:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-14 06:54:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-14 06:54:44,314 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-14 06:54:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-14 06:54:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-14 06:54:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-14 06:54:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-14 06:54:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-14 06:54:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-14 06:54:44,315 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-14 06:54:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-14 06:54:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-14 06:54:44,316 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-14 06:54:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-14 06:54:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-14 06:54:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-14 06:54:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-14 06:54:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-14 06:54:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-14 06:54:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-14 06:54:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-14 06:54:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-14 06:54:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-14 06:54:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-14 06:54:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-14 06:54:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-14 06:54:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-14 06:54:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-14 06:54:44,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-14 06:54:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-14 06:54:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-14 06:54:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-14 06:54:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-14 06:54:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-14 06:54:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-14 06:54:44,320 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-14 06:54:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-14 06:54:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-14 06:54:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-14 06:54:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-14 06:54:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-14 06:54:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-14 06:54:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-14 06:54:44,321 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-14 06:54:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-14 06:54:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-14 06:54:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-14 06:54:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-14 06:54:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-14 06:54:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-14 06:54:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-14 06:54:44,322 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-14 06:54:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-14 06:54:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-14 06:54:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-14 06:54:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-14 06:54:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2020-10-14 06:54:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-14 06:54:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-14 06:54:44,323 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-14 06:54:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-14 06:54:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2020-10-14 06:54:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-14 06:54:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-14 06:54:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-14 06:54:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-14 06:54:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-14 06:54:44,324 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-14 06:54:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-14 06:54:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-14 06:54:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-14 06:54:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-14 06:54:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-14 06:54:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-14 06:54:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-14 06:54:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-14 06:54:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-14 06:54:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-14 06:54:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-14 06:54:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-14 06:54:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-14 06:54:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-14 06:54:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-14 06:54:44,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-14 06:54:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-14 06:54:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-14 06:54:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-14 06:54:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-14 06:54:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-14 06:54:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-14 06:54:44,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-14 06:54:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-14 06:54:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-14 06:54:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-14 06:54:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-14 06:54:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-14 06:54:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-14 06:54:44,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-14 06:54:46,299 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-14 06:54:46,300 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-14 06:54:46,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:54:46 BoogieIcfgContainer [2020-10-14 06:54:46,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-14 06:54:46,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-14 06:54:46,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-14 06:54:46,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-14 06:54:46,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 06:54:42" (1/3) ... [2020-10-14 06:54:46,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa16e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:54:46, skipping insertion in model container [2020-10-14 06:54:46,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 06:54:44" (2/3) ... [2020-10-14 06:54:46,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa16e18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 06:54:46, skipping insertion in model container [2020-10-14 06:54:46,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 06:54:46" (3/3) ... [2020-10-14 06:54:46,316 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product22.cil.c [2020-10-14 06:54:46,326 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-14 06:54:46,335 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-14 06:54:46,349 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-14 06:54:46,375 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-14 06:54:46,376 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-14 06:54:46,376 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-14 06:54:46,376 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-14 06:54:46,376 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-14 06:54:46,376 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-14 06:54:46,376 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-14 06:54:46,376 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-14 06:54:46,408 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states. [2020-10-14 06:54:46,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-14 06:54:46,428 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:54:46,429 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:54:46,430 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:54:46,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:54:46,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1826249356, now seen corresponding path program 1 times [2020-10-14 06:54:46,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:54:46,446 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1331835006] [2020-10-14 06:54:46,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:54:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:47,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:47,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:47,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:47,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:51,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:51,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:52,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:52,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 215 [2020-10-14 06:54:52,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:54:52,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5080 [2020-10-14 06:54:52,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:52,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:52,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:52,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-14 06:54:52,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:52,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-14 06:54:54,005 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:54:54,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:54:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:54,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:54,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:54,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:54:54,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-14 06:54:54,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:54,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:54,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:54,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:54,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:54:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:54,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:54,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:54,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:54:54,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:54,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:54,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:54,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:54,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:54,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:54:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:54,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:54,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:54,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:54:54,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:54,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:54,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:54,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:54,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:54,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:54,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:54:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:54,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:54,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:54,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:54:54,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:54,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:54,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:54,121 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:54,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:54,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:54,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:54,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:54,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:54:54,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:54,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:54,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:54,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:54,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:56,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:54:59,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:54:59,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 06:54:59,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:54:59,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:54:59,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:54:59,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:54:59,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,247 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,256 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:54:59,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:54:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:54:59,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,302 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:54:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:54:59,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-14 06:54:59,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,318 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:54:59,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:54:59,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:54:59,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:54:59,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:54:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:54:59,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,347 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:54:59,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:54:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:54:59,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:54:59,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:54:59,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:54:59,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-14 06:54:59,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:54:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-14 06:54:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:54:59,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:54:59,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:54:59,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:54:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:54:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:54:59,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-14 06:54:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:59,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:54:59,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-14 06:54:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:54:59,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,526 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:54:59,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:54:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:59,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 06:54:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:59,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 06:54:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:54:59,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:54:59,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:54:59,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:54:59,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:54:59,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:54:59,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:54:59,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:54:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:54:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:54:59,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:54:59,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:54:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:54:59,665 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1331835006] [2020-10-14 06:54:59,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:54:59,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-14 06:54:59,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17539920] [2020-10-14 06:54:59,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-14 06:54:59,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:54:59,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-14 06:54:59,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-14 06:54:59,693 INFO L87 Difference]: Start difference. First operand 512 states. Second operand 10 states. [2020-10-14 06:55:11,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:55:11,518 INFO L93 Difference]: Finished difference Result 1114 states and 1615 transitions. [2020-10-14 06:55:11,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-14 06:55:11,520 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 145 [2020-10-14 06:55:11,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:55:11,545 INFO L225 Difference]: With dead ends: 1114 [2020-10-14 06:55:11,546 INFO L226 Difference]: Without dead ends: 780 [2020-10-14 06:55:11,553 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-14 06:55:11,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2020-10-14 06:55:11,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 489. [2020-10-14 06:55:11,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-10-14 06:55:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 647 transitions. [2020-10-14 06:55:11,867 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 647 transitions. Word has length 145 [2020-10-14 06:55:11,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:55:11,868 INFO L479 AbstractCegarLoop]: Abstraction has 489 states and 647 transitions. [2020-10-14 06:55:11,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-14 06:55:11,869 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 647 transitions. [2020-10-14 06:55:11,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-14 06:55:11,875 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:55:11,875 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:55:11,875 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-14 06:55:11,876 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:55:11,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:55:11,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1826131323, now seen corresponding path program 1 times [2020-10-14 06:55:11,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:55:11,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260417796] [2020-10-14 06:55:11,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:55:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:11,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:12,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:16,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:16,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 216 [2020-10-14 06:55:16,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:55:16,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-14 06:55:16,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:16,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:55:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:55:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-14 06:55:16,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:18,545 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:55:18,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:55:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:18,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:18,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:18,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:55:18,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:18,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-14 06:55:18,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:18,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:18,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:18,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:18,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:55:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:18,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:18,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:18,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:55:18,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:18,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:18,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:18,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:18,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:18,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:18,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:18,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:55:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:18,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:18,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:18,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:55:18,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:18,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:18,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:18,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:18,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:18,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:18,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:18,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:18,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:55:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:18,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:18,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:18,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:55:18,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:18,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:18,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:18,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:18,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:18,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:18,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:55:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:18,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:18,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:18,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:18,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:19,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:55:23,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:55:23,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-14 06:55:23,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:23,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:23,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:55:23,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:23,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:23,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:55:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:23,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:55:23,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:23,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:23,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,792 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:55:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:23,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:55:23,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:23,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:23,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,836 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-14 06:55:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:55:23,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:55:23,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,871 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:55:23,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:55:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:23,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-14 06:55:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:23,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-14 06:55:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:55:23,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:23,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:55:23,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:55:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:23,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:55:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:23,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:23,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:23,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 06:55:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:23,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:23,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:23,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:23,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:23,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:23,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:23,965 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:23,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:23,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:23,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:55:24,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260417796] [2020-10-14 06:55:24,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:55:24,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:55:24,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098980619] [2020-10-14 06:55:24,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:55:24,047 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:55:24,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:55:24,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:55:24,048 INFO L87 Difference]: Start difference. First operand 489 states and 647 transitions. Second operand 11 states. [2020-10-14 06:55:28,262 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-14 06:55:40,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:55:40,992 INFO L93 Difference]: Finished difference Result 1029 states and 1449 transitions. [2020-10-14 06:55:40,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-14 06:55:40,992 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 146 [2020-10-14 06:55:40,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:55:41,003 INFO L225 Difference]: With dead ends: 1029 [2020-10-14 06:55:41,003 INFO L226 Difference]: Without dead ends: 783 [2020-10-14 06:55:41,005 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-14 06:55:41,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2020-10-14 06:55:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 491. [2020-10-14 06:55:41,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-10-14 06:55:41,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 649 transitions. [2020-10-14 06:55:41,199 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 649 transitions. Word has length 146 [2020-10-14 06:55:41,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:55:41,200 INFO L479 AbstractCegarLoop]: Abstraction has 491 states and 649 transitions. [2020-10-14 06:55:41,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:55:41,200 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 649 transitions. [2020-10-14 06:55:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-14 06:55:41,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:55:41,203 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:55:41,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-14 06:55:41,204 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:55:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:55:41,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1246469625, now seen corresponding path program 1 times [2020-10-14 06:55:41,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:55:41,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1899643889] [2020-10-14 06:55:41,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:55:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:41,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:41,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:41,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:41,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:41,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:41,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:41,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:41,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:44,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:45,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:46,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:46,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-14 06:55:46,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-14 06:55:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-14 06:55:46,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:46,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:55:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:55:46,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:55:46,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:48,022 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:55:48,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:55:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:48,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:48,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:48,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:55:48,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 06:55:48,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:48,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:48,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:48,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:48,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:55:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:48,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:48,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:48,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:55:48,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:48,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:48,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:48,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:48,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:48,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:48,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:55:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:48,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:48,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:48,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:55:48,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:48,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:48,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:48,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:48,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:55:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:48,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:48,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:48,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:55:48,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:48,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:48,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:48,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:48,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:48,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:48,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:55:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:48,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:48,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:48,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:48,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:49,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:55:53,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:55:53,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4975 [2020-10-14 06:55:53,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:53,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:53,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:53,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:53,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:55:53,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:53,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:55:53,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:53,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:55:53,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:55:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:55:53,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:55:53,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,217 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:55:53,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,224 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:55:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,235 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-14 06:55:53,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:55:53,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:55:53,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:55:53,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:55:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:55:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:55:53,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-14 06:55:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:53,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-14 06:55:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:55:53,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-14 06:55:53,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:55:53,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-14 06:55:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:55:53,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:55:53,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-14 06:55:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,369 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:53,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-14 06:55:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:55:53,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:55:53,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:55:53,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:55:53,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:55:53,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:55:53,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:55:53,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:55:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:55:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:55:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:55:53,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:55:53,478 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:55:53,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1899643889] [2020-10-14 06:55:53,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:55:53,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:55:53,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799370449] [2020-10-14 06:55:53,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:55:53,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:55:53,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:55:53,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:55:53,484 INFO L87 Difference]: Start difference. First operand 491 states and 649 transitions. Second operand 11 states. [2020-10-14 06:55:57,911 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-14 06:56:12,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:56:12,422 INFO L93 Difference]: Finished difference Result 1337 states and 1963 transitions. [2020-10-14 06:56:12,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:56:12,423 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2020-10-14 06:56:12,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:56:12,431 INFO L225 Difference]: With dead ends: 1337 [2020-10-14 06:56:12,432 INFO L226 Difference]: Without dead ends: 911 [2020-10-14 06:56:12,434 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:56:12,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2020-10-14 06:56:12,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 533. [2020-10-14 06:56:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2020-10-14 06:56:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 721 transitions. [2020-10-14 06:56:12,662 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 721 transitions. Word has length 158 [2020-10-14 06:56:12,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:56:12,662 INFO L479 AbstractCegarLoop]: Abstraction has 533 states and 721 transitions. [2020-10-14 06:56:12,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:56:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 721 transitions. [2020-10-14 06:56:12,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-14 06:56:12,665 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:56:12,666 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:56:12,666 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-14 06:56:12,666 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:56:12,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:56:12,667 INFO L82 PathProgramCache]: Analyzing trace with hash 674461036, now seen corresponding path program 1 times [2020-10-14 06:56:12,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:56:12,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [901187569] [2020-10-14 06:56:12,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:56:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:12,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:12,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:12,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:13,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:13,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:17,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:17,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-14 06:56:17,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:56:17,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-14 06:56:17,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:17,722 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:17,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:56:17,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:56:17,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-14 06:56:17,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:19,112 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:56:19,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:56:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:19,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:19,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:19,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:56:19,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:19,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-14 06:56:19,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:19,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:19,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:19,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:19,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:56:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:19,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:19,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:19,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:56:19,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:19,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:19,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:19,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:19,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:56:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:19,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:19,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:19,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:56:19,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:19,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:19,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:19,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:19,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:19,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:19,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:56:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:19,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:19,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:19,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:56:19,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:19,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:19,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:19,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:19,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:19,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:19,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:19,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:56:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:19,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:19,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:19,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:19,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:19,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:56:23,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:56:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3868 [2020-10-14 06:56:23,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,075 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:23,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:56:23,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:23,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:23,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:23,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,135 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:23,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:56:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:23,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:56:23,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:23,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:23,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:23,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,178 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:23,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:23,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:56:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:23,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:56:23,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:23,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:23,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,199 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:23,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:23,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-14 06:56:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:56:23,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:56:23,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:56:23,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:23,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:56:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:23,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,280 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:23,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-14 06:56:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:23,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:23,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-14 06:56:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:56:23,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:23,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:56:23,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-14 06:56:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:23,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:23,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-14 06:56:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:23,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:23,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-14 06:56:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:23,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:23,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:23,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:23,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:23,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:23,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:23,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:23,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:23,332 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:56:23,332 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [901187569] [2020-10-14 06:56:23,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:56:23,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:56:23,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043543232] [2020-10-14 06:56:23,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:56:23,334 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:56:23,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:56:23,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:56:23,334 INFO L87 Difference]: Start difference. First operand 533 states and 721 transitions. Second operand 11 states. [2020-10-14 06:56:27,782 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-14 06:56:42,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:56:42,381 INFO L93 Difference]: Finished difference Result 1622 states and 2503 transitions. [2020-10-14 06:56:42,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:56:42,382 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-14 06:56:42,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:56:42,391 INFO L225 Difference]: With dead ends: 1622 [2020-10-14 06:56:42,392 INFO L226 Difference]: Without dead ends: 1154 [2020-10-14 06:56:42,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:56:42,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2020-10-14 06:56:42,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 614. [2020-10-14 06:56:42,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-14 06:56:42,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 859 transitions. [2020-10-14 06:56:42,618 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 859 transitions. Word has length 159 [2020-10-14 06:56:42,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:56:42,619 INFO L479 AbstractCegarLoop]: Abstraction has 614 states and 859 transitions. [2020-10-14 06:56:42,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:56:42,619 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 859 transitions. [2020-10-14 06:56:42,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-14 06:56:42,623 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:56:42,623 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:56:42,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-14 06:56:42,624 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:56:42,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:56:42,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1423548153, now seen corresponding path program 1 times [2020-10-14 06:56:42,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:56:42,625 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1676200267] [2020-10-14 06:56:42,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:56:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:42,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:42,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:42,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:42,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:42,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:42,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:43,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:43,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:43,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:43,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:47,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:47,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:47,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-14 06:56:47,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-14 06:56:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-14 06:56:47,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:47,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:56:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:56:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-14 06:56:47,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:49,202 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:56:49,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:56:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:49,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:49,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:49,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:56:49,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:49,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-14 06:56:49,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:49,241 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:49,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:49,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:49,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:49,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:49,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:56:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:49,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:49,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:49,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:56:49,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:49,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:49,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:49,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:49,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:49,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:49,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:49,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:49,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:56:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:49,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:49,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:49,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:56:49,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:49,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:49,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:49,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:49,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:49,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:49,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:49,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:49,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:56:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:49,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:49,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:49,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:56:49,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:49,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:49,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:49,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:49,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:49,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:49,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:49,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:49,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:56:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:49,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:49,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:49,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:49,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:50,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:56:53,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:56:53,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4329 [2020-10-14 06:56:53,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:53,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:53,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:53,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:53,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:53,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:53,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:56:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:53,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:56:53,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:53,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,737 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:53,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:56:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:56:53,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:56:53,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:56:53,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,752 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:53,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:53,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:56:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:56:53,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-14 06:56:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:56:53,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:56:53,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:56:53,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:56:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:56:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:56:53,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-14 06:56:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:53,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:53,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-14 06:56:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:56:53,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:56:53,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-14 06:56:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:53,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:53,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-14 06:56:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:56:53,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:53,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-14 06:56:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:56:53,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:56:53,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:56:53,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:56:53,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:56:53,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:56:53,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:56:53,859 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:56:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:56:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:56:53,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:56:53,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:56:53,896 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:56:53,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1676200267] [2020-10-14 06:56:53,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:56:53,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:56:53,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737557094] [2020-10-14 06:56:53,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:56:53,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:56:53,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:56:53,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:56:53,898 INFO L87 Difference]: Start difference. First operand 614 states and 859 transitions. Second operand 11 states. [2020-10-14 06:56:58,152 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-14 06:57:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:57:12,766 INFO L93 Difference]: Finished difference Result 2171 states and 3535 transitions. [2020-10-14 06:57:12,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-14 06:57:12,767 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-14 06:57:12,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:57:12,778 INFO L225 Difference]: With dead ends: 2171 [2020-10-14 06:57:12,778 INFO L226 Difference]: Without dead ends: 1622 [2020-10-14 06:57:12,782 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-14 06:57:12,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2020-10-14 06:57:13,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 770. [2020-10-14 06:57:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2020-10-14 06:57:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 1123 transitions. [2020-10-14 06:57:13,218 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 1123 transitions. Word has length 160 [2020-10-14 06:57:13,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:57:13,218 INFO L479 AbstractCegarLoop]: Abstraction has 770 states and 1123 transitions. [2020-10-14 06:57:13,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-14 06:57:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1123 transitions. [2020-10-14 06:57:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-14 06:57:13,222 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:57:13,222 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:57:13,222 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-14 06:57:13,223 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:57:13,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:57:13,223 INFO L82 PathProgramCache]: Analyzing trace with hash -1145624437, now seen corresponding path program 1 times [2020-10-14 06:57:13,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:57:13,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702107220] [2020-10-14 06:57:13,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:57:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:13,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:13,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:13,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:13,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:13,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:13,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:18,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:18,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-14 06:57:18,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-14 06:57:18,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-14 06:57:18,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:18,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:18,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:57:18,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-14 06:57:18,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-14 06:57:18,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:19,749 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:57:19,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:57:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:19,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:19,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:19,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:57:19,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:19,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-14 06:57:19,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:19,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:19,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:19,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:19,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:19,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:57:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:19,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:19,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:19,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:57:19,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:19,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:19,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:19,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:19,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:19,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:19,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:57:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:19,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:19,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:19,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:57:19,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:19,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:19,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:19,830 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:19,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:19,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:19,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:19,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:19,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:57:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:19,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:19,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:19,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:57:19,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:19,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:19,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:19,834 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:19,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:19,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:19,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:57:19,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:19,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:19,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:19,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:20,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:20,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:57:23,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:57:23,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3766 [2020-10-14 06:57:23,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:57:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-14 06:57:23,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:57:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:57:23,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:57:23,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,684 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:57:23,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:57:23,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:57:23,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:57:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:23,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:57:23,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:57:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:23,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:57:23,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,736 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:57:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:57:23,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-14 06:57:23,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-14 06:57:23,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:57:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 06:57:23,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:57:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:57:23,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:57:23,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:57:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:23,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:23,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:57:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:23,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:23,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,814 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:57:23,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:57:23,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-14 06:57:23,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,826 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:57:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-14 06:57:23,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:57:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:57:23,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:57:23,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,833 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:57:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:23,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:57:23,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:57:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:23,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:23,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-14 06:57:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-14 06:57:23,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-14 06:57:23,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,870 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:57:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-14 06:57:23,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-14 06:57:23,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:57:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:23,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:57:23,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-14 06:57:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:23,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-14 06:57:23,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:23,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-14 06:57:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:23,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:23,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:23,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:57:23,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-14 06:57:23,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:23,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:57:23,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:23,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:24,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:57:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:24,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:24,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:24,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:24,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:24,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:24,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:24,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:24,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:24,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:24,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:57:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:24,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:24,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:24,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:24,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:24,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:57:24,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:24,086 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:24,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:24,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-14 06:57:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:24,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:24,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:24,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:24,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:24,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:24,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:57:24,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:24,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:24,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-14 06:57:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:24,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:24,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:24,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:57:24,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:24,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:57:24,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:24,093 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:57:24,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:24,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:24,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-14 06:57:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:24,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:24,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:24,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:24,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:24,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:24,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:24,097 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:24,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:24,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:57:24,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:24,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:24,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-14 06:57:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:24,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:24,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:24,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:24,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:24,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:57:24,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:24,102 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:24,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:24,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:57:24,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:24,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:24,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-14 06:57:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:24,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:24,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:24,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:57:24,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:24,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:57:24,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:24,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:24,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:24,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:57:24,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:24,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:57:24,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702107220] [2020-10-14 06:57:24,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:57:24,160 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-14 06:57:24,160 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901880381] [2020-10-14 06:57:24,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-14 06:57:24,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:57:24,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-14 06:57:24,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-14 06:57:24,161 INFO L87 Difference]: Start difference. First operand 770 states and 1123 transitions. Second operand 15 states. [2020-10-14 06:57:27,531 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-14 06:57:31,101 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-14 06:57:49,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-14 06:57:49,631 INFO L93 Difference]: Finished difference Result 2992 states and 5086 transitions. [2020-10-14 06:57:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-14 06:57:49,632 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 162 [2020-10-14 06:57:49,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-14 06:57:49,647 INFO L225 Difference]: With dead ends: 2992 [2020-10-14 06:57:49,647 INFO L226 Difference]: Without dead ends: 2285 [2020-10-14 06:57:49,653 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=282, Invalid=774, Unknown=0, NotChecked=0, Total=1056 [2020-10-14 06:57:49,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2020-10-14 06:57:50,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 782. [2020-10-14 06:57:50,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2020-10-14 06:57:50,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1138 transitions. [2020-10-14 06:57:50,133 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1138 transitions. Word has length 162 [2020-10-14 06:57:50,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-14 06:57:50,134 INFO L479 AbstractCegarLoop]: Abstraction has 782 states and 1138 transitions. [2020-10-14 06:57:50,134 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-14 06:57:50,134 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1138 transitions. [2020-10-14 06:57:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-14 06:57:50,137 INFO L414 BasicCegarLoop]: Found error trace [2020-10-14 06:57:50,137 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-14 06:57:50,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-14 06:57:50,138 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-14 06:57:50,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-14 06:57:50,138 INFO L82 PathProgramCache]: Analyzing trace with hash -575269876, now seen corresponding path program 1 times [2020-10-14 06:57:50,138 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-14 06:57:50,139 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146929504] [2020-10-14 06:57:50,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-14 06:57:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:50,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:50,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:50,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:50,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:50,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:50,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:50,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:50,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:54,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:55,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:55,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-14 06:57:55,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-14 06:57:55,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-14 06:57:55,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:55,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:55,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-14 06:57:55,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-14 06:57:55,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-14 06:57:55,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:56,620 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-14 06:57:56,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-14 06:57:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:56,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:56,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:56,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:57:56,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:56,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-14 06:57:56,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:56,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:56,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:56,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:56,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:57:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:56,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:56,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:56,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:57:56,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:56,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:56,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:56,667 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:56,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-14 06:57:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:56,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:56,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:56,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-14 06:57:56,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:56,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:56,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:56,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:56,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:56,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:56,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:56,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:56,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-14 06:57:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:56,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:56,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:57:56,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-14 06:57:56,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:57:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:57:56,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:57:56,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:57:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:57:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:57:56,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:57:56,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:57:56,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-14 06:57:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:57:56,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:56,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:56,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:56,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:57:57,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-14 06:58:00,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-14 06:58:00,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4104 [2020-10-14 06:58:00,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:58:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:58:00,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:58:00,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:58:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:58:00,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-14 06:58:00,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:00,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:58:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:00,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:58:00,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,879 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:58:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:00,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:00,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-14 06:58:00,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:58:00,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:58:00,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:58:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:58:00,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:00,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:58:00,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:00,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:58:00,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:58:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:00,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:58:00,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-14 06:58:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-14 06:58:00,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-14 06:58:00,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,939 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:58:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-14 06:58:00,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:00,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:58:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:00,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:58:00,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-14 06:58:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:00,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:00,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,954 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:00,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:00,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-14 06:58:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:00,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:00,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:00,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-14 06:58:00,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-14 06:58:00,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:00,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-14 06:58:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:01,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-14 06:58:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:01,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:01,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:01,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:01,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:01,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:01,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:01,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:01,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:01,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:01,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-14 06:58:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:01,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:01,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:01,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:01,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:01,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:01,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:01,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:01,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:01,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-14 06:58:01,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:01,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:01,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-14 06:58:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:01,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:01,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:01,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:01,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:01,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:58:01,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:01,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:01,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:58:01,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:01,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:01,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-14 06:58:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:01,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:01,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:01,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-14 06:58:01,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:01,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:01,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:01,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-14 06:58:01,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:01,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:01,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-14 06:58:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:01,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:01,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:01,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:01,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:01,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-14 06:58:01,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:01,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:58:01,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:01,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-14 06:58:01,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-14 06:58:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:01,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:01,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:01,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:01,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:01,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:58:01,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:01,062 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:58:01,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:01,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:01,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-14 06:58:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-14 06:58:01,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-14 06:58:01,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-14 06:58:01,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-14 06:58:01,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-14 06:58:01,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-14 06:58:01,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-14 06:58:01,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-10-14 06:58:01,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-14 06:58:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-14 06:58:01,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-14 06:58:01,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-14 06:58:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-14 06:58:01,098 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146929504] [2020-10-14 06:58:01,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-14 06:58:01,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-14 06:58:01,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345235744] [2020-10-14 06:58:01,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-14 06:58:01,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-14 06:58:01,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-14 06:58:01,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-14 06:58:01,100 INFO L87 Difference]: Start difference. First operand 782 states and 1138 transitions. Second operand 11 states. [2020-10-14 06:58:05,571 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 565