/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 11:51:34,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 11:51:34,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 11:51:34,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 11:51:34,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 11:51:34,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 11:51:34,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 11:51:34,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 11:51:34,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 11:51:34,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 11:51:34,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 11:51:34,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 11:51:34,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 11:51:34,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 11:51:34,229 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 11:51:34,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 11:51:34,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 11:51:34,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 11:51:34,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 11:51:34,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 11:51:34,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 11:51:34,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 11:51:34,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 11:51:34,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 11:51:34,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 11:51:34,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 11:51:34,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 11:51:34,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 11:51:34,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 11:51:34,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 11:51:34,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 11:51:34,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 11:51:34,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 11:51:34,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 11:51:34,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 11:51:34,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 11:51:34,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 11:51:34,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 11:51:34,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 11:51:34,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 11:51:34,274 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 11:51:34,276 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 11:51:34,314 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 11:51:34,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 11:51:34,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 11:51:34,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 11:51:34,317 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 11:51:34,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 11:51:34,317 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 11:51:34,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 11:51:34,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 11:51:34,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 11:51:34,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 11:51:34,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 11:51:34,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 11:51:34,320 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 11:51:34,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 11:51:34,321 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 11:51:34,321 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 11:51:34,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 11:51:34,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 11:51:34,322 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 11:51:34,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 11:51:34,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:51:34,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 11:51:34,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 11:51:34,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 11:51:34,323 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 11:51:34,323 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 11:51:34,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 11:51:34,324 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 11:51:34,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 11:51:34,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 11:51:34,648 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 11:51:34,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 11:51:34,656 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 11:51:34,656 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 11:51:34,657 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2020-10-13 11:51:34,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34b85c370/90b9b5eba615437bbf23a7001035dbbf/FLAG1082cedd7 [2020-10-13 11:51:35,230 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 11:51:35,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2020-10-13 11:51:35,260 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34b85c370/90b9b5eba615437bbf23a7001035dbbf/FLAG1082cedd7 [2020-10-13 11:51:35,533 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/34b85c370/90b9b5eba615437bbf23a7001035dbbf [2020-10-13 11:51:35,541 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 11:51:35,542 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 11:51:35,543 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 11:51:35,543 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 11:51:35,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 11:51:35,548 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:35" (1/1) ... [2020-10-13 11:51:35,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69168dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:35, skipping insertion in model container [2020-10-13 11:51:35,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:51:35" (1/1) ... [2020-10-13 11:51:35,559 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 11:51:35,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 11:51:36,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:51:36,293 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 11:51:36,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 11:51:36,482 INFO L208 MainTranslator]: Completed translation [2020-10-13 11:51:36,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36 WrapperNode [2020-10-13 11:51:36,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 11:51:36,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 11:51:36,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 11:51:36,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 11:51:36,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 11:51:36,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 11:51:36,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 11:51:36,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 11:51:36,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 11:51:36,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 11:51:36,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... [2020-10-13 11:51:36,635 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 11:51:36,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 11:51:36,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 11:51:36,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 11:51:36,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 11:51:36,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 11:51:36,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 11:51:36,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-13 11:51:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-13 11:51:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-13 11:51:36,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-13 11:51:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-13 11:51:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-13 11:51:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-13 11:51:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-13 11:51:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-13 11:51:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-13 11:51:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-13 11:51:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-13 11:51:36,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-13 11:51:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-13 11:51:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-13 11:51:36,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-13 11:51:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-13 11:51:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-13 11:51:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-13 11:51:36,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-13 11:51:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-13 11:51:36,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-13 11:51:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-13 11:51:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-13 11:51:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-13 11:51:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-13 11:51:36,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-13 11:51:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-13 11:51:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-13 11:51:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-13 11:51:36,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-13 11:51:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-13 11:51:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-13 11:51:36,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-13 11:51:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-13 11:51:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-13 11:51:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-13 11:51:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-13 11:51:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-13 11:51:36,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-13 11:51:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-13 11:51:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-13 11:51:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-13 11:51:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-13 11:51:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-13 11:51:36,736 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-13 11:51:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-13 11:51:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-13 11:51:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-13 11:51:36,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-13 11:51:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-13 11:51:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-13 11:51:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-13 11:51:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-13 11:51:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-13 11:51:36,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-13 11:51:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-13 11:51:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-13 11:51:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-13 11:51:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-13 11:51:36,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-13 11:51:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-13 11:51:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-13 11:51:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-13 11:51:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-13 11:51:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-13 11:51:36,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-13 11:51:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-13 11:51:36,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-13 11:51:36,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-13 11:51:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-13 11:51:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-13 11:51:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-13 11:51:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-13 11:51:36,743 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 11:51:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-13 11:51:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-13 11:51:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-13 11:51:36,744 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-13 11:51:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-13 11:51:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-13 11:51:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-13 11:51:36,745 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-13 11:51:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-13 11:51:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-13 11:51:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-13 11:51:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-13 11:51:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-13 11:51:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-13 11:51:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2020-10-13 11:51:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-13 11:51:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-13 11:51:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-13 11:51:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-13 11:51:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-13 11:51:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-13 11:51:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-13 11:51:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-13 11:51:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-13 11:51:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-13 11:51:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-13 11:51:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-13 11:51:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-13 11:51:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-13 11:51:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-13 11:51:36,749 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-13 11:51:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 11:51:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 11:51:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-13 11:51:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-13 11:51:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 11:51:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-13 11:51:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-13 11:51:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-13 11:51:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-13 11:51:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-13 11:51:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-13 11:51:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-13 11:51:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-13 11:51:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-13 11:51:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-13 11:51:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-13 11:51:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-13 11:51:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 11:51:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 11:51:36,758 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-13 11:51:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 11:51:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 11:51:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 11:51:36,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 11:51:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-13 11:51:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 11:51:36,760 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-13 11:51:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-13 11:51:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 11:51:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-13 11:51:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-13 11:51:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-13 11:51:36,761 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-13 11:51:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-13 11:51:36,762 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-13 11:51:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-13 11:51:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-13 11:51:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-13 11:51:36,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-13 11:51:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-13 11:51:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-13 11:51:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-13 11:51:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-13 11:51:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-13 11:51:36,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-13 11:51:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-13 11:51:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-13 11:51:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-13 11:51:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-13 11:51:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-13 11:51:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-13 11:51:36,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-13 11:51:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-13 11:51:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-13 11:51:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-13 11:51:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-13 11:51:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-13 11:51:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-13 11:51:36,773 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-13 11:51:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-13 11:51:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-13 11:51:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-13 11:51:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-13 11:51:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-13 11:51:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-13 11:51:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-13 11:51:36,774 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-13 11:51:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-13 11:51:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-10-13 11:51:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-13 11:51:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-13 11:51:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-13 11:51:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-13 11:51:36,775 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-13 11:51:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-13 11:51:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-13 11:51:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-13 11:51:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-13 11:51:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-13 11:51:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-13 11:51:36,776 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-13 11:51:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-13 11:51:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-13 11:51:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-13 11:51:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-13 11:51:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-13 11:51:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-13 11:51:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-13 11:51:36,777 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-13 11:51:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-13 11:51:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-13 11:51:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-13 11:51:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-13 11:51:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-13 11:51:36,778 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-13 11:51:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-13 11:51:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-13 11:51:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-13 11:51:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-13 11:51:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-13 11:51:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-13 11:51:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 11:51:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-13 11:51:36,779 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-13 11:51:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-13 11:51:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-13 11:51:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-13 11:51:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-13 11:51:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-13 11:51:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-13 11:51:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-13 11:51:36,780 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-13 11:51:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-13 11:51:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-13 11:51:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-13 11:51:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-13 11:51:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-13 11:51:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2020-10-13 11:51:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-13 11:51:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-13 11:51:36,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 11:51:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 11:51:36,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 11:51:38,563 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 11:51:38,564 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-13 11:51:38,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:51:38 BoogieIcfgContainer [2020-10-13 11:51:38,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 11:51:38,572 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 11:51:38,572 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 11:51:38,575 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 11:51:38,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:51:35" (1/3) ... [2020-10-13 11:51:38,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261af1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:51:38, skipping insertion in model container [2020-10-13 11:51:38,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:51:36" (2/3) ... [2020-10-13 11:51:38,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@261af1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:51:38, skipping insertion in model container [2020-10-13 11:51:38,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:51:38" (3/3) ... [2020-10-13 11:51:38,578 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2020-10-13 11:51:38,588 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 11:51:38,596 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 11:51:38,609 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 11:51:38,634 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 11:51:38,635 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 11:51:38,635 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 11:51:38,635 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 11:51:38,635 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 11:51:38,635 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 11:51:38,635 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 11:51:38,635 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 11:51:38,662 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2020-10-13 11:51:38,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-13 11:51:38,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:51:38,683 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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:51:38,683 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:51:38,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:51:38,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1647705551, now seen corresponding path program 1 times [2020-10-13 11:51:38,698 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:51:38,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002578754] [2020-10-13 11:51:38,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:51:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:39,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:39,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:39,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:39,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:39,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:44,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:44,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-13 11:51:44,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:51:44,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5044 [2020-10-13 11:51:44,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:44,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:44,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-13 11:51:44,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:44,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 11:51:45,895 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-13 11:51:45,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:51:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:45,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:45,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:45,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:45,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:45,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-13 11:51:45,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:45,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:45,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:45,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:45,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:51:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:45,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:45,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:45,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:51:45,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:45,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:45,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:45,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:45,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:45,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:51:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:45,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:45,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:45,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:51:45,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:45,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:45,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:45,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:51:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:45,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:46,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:46,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:46,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:46,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:46,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:46,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:46,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:46,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:51:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:46,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:46,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:46,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:46,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:47,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:51:51,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:51:51,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:51:51,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:51:51,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:51:51,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:51:51,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:51:51,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:51:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:51:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:51:51,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:51:51,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:51:51,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:51:51,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:51:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:51:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:51:51,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:51:51,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:51:51,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:51:51,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:51:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 11:51:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:51:51,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:51:51,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:51:51,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:51:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:51:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:51,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 11:51:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:51,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:51:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:51,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 11:51:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:51:51,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:51:51,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:51:51,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:51:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:51,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:51:51,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:51:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:51:51,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:51:51,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 11:51:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:51:51,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:51:51,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:51:51,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:51:51,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:51:51,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:51:51,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:51:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:51:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:51:51,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:51:51,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:51:51,398 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:51:51,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002578754] [2020-10-13 11:51:51,400 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:51:51,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-13 11:51:51,401 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871302967] [2020-10-13 11:51:51,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 11:51:51,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:51:51,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 11:51:51,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-13 11:51:51,425 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 10 states. [2020-10-13 11:52:04,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:52:04,238 INFO L93 Difference]: Finished difference Result 930 states and 1377 transitions. [2020-10-13 11:52:04,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 11:52:04,241 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2020-10-13 11:52:04,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:52:04,264 INFO L225 Difference]: With dead ends: 930 [2020-10-13 11:52:04,264 INFO L226 Difference]: Without dead ends: 686 [2020-10-13 11:52:04,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-13 11:52:04,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2020-10-13 11:52:04,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 395. [2020-10-13 11:52:04,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-10-13 11:52:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2020-10-13 11:52:04,543 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 154 [2020-10-13 11:52:04,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:52:04,544 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2020-10-13 11:52:04,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 11:52:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2020-10-13 11:52:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-13 11:52:04,558 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:52:04,558 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:52:04,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 11:52:04,559 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:52:04,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:52:04,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1784478369, now seen corresponding path program 1 times [2020-10-13 11:52:04,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:52:04,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1113743012] [2020-10-13 11:52:04,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:52:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:04,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:04,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:04,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:04,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:04,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:09,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:09,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-13 11:52:09,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:52:09,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5034 [2020-10-13 11:52:09,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:52:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:52:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-13 11:52:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:52:10,921 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-13 11:52:10,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:52:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:10,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:10,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:10,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:52:10,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:10,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:52:10,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:10,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:10,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:10,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:10,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:52:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:10,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:10,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:10,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:52:10,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:10,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:10,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:10,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:10,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:52:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:10,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:10,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:10,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:52:10,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:10,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:10,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:10,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:10,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:52:10,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:10,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:10,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:10,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:52:10,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:10,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:10,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:10,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:10,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:52:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:11,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:11,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:11,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:11,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:11,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:52:15,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:52:15,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4574 [2020-10-13 11:52:15,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:52:15,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:52:15,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:52:15,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:15,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:15,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:52:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:52:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:52:15,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:52:15,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:52:15,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:52:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:52:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:52:15,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:52:15,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:52:15,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:52:15,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:52:15,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 11:52:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:52:15,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:52:15,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:52:15,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:52:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:52:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:52:15,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 11:52:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:52:15,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:52:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:15,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:52:15,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:52:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:52:15,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:15,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:52:15,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:52:15,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:15,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:15,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 11:52:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:15,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:15,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:52:15,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 11:52:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:15,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:15,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:15,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:52:15,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:15,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:15,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:52:15,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:15,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:15,904 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:52:15,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1113743012] [2020-10-13 11:52:15,905 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:52:15,905 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:52:15,905 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922407480] [2020-10-13 11:52:15,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:52:15,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:52:15,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:52:15,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:52:15,908 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand 11 states. [2020-10-13 11:52:18,809 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-13 11:52:27,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:52:27,678 INFO L93 Difference]: Finished difference Result 841 states and 1190 transitions. [2020-10-13 11:52:27,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 11:52:27,679 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2020-10-13 11:52:27,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:52:27,687 INFO L225 Difference]: With dead ends: 841 [2020-10-13 11:52:27,687 INFO L226 Difference]: Without dead ends: 689 [2020-10-13 11:52:27,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-13 11:52:27,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2020-10-13 11:52:27,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 397. [2020-10-13 11:52:27,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2020-10-13 11:52:27,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2020-10-13 11:52:27,846 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 155 [2020-10-13 11:52:27,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:52:27,846 INFO L479 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2020-10-13 11:52:27,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:52:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2020-10-13 11:52:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-13 11:52:27,850 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:52:27,850 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:52:27,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 11:52:27,850 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:52:27,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:52:27,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1272778800, now seen corresponding path program 1 times [2020-10-13 11:52:27,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:52:27,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2028095787] [2020-10-13 11:52:27,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:52:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:27,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:27,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:28,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:28,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:28,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:28,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:28,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:28,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:28,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:30,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:30,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:30,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:31,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:31,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:32,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:32,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:32,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 245 [2020-10-13 11:52:32,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 11:52:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 11:52:32,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:52:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:52:32,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 11:52:32,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:34,412 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-13 11:52:34,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:52:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:34,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:34,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:34,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:52:34,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:34,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-13 11:52:34,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:34,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:34,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:34,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:34,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:34,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:52:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:34,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:34,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:34,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:52:34,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:34,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:34,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:34,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:34,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:34,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:52:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:34,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:34,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:34,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:52:34,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:34,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:34,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:34,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:34,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:34,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:34,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:52:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:34,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:34,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:34,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:52:34,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:34,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:52:34,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:34,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:34,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:34,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:52:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:34,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:34,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:34,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:34,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:35,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:37,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:37,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:52:37,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:52:37,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3477 [2020-10-13 11:52:37,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:37,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:37,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:38,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:52:38,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:52:38,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:52:38,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:52:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:52:38,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:52:38,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:52:38,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:52:38,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:52:38,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:52:38,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:52:38,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:52:38,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:52:38,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:52:38,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:52:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 11:52:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:52:38,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:52:38,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:52:38,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:52:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 11:52:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:52:38,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:52:38,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:52:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:52:38,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:52:38,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:52:38,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 11:52:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:52:38,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:52:38,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 11:52:38,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:52:38,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:52:38,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:52:38,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:52:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:52:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:52:38,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:52:38,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:52:38,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 11:52:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:52:38,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:52:38,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:52:38,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 11:52:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:38,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:38,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:38,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:52:38,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:52:38,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:52:38,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:52:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:52:38,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:52:38,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:52:38,337 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:52:38,338 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2028095787] [2020-10-13 11:52:38,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:52:38,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:52:38,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281480471] [2020-10-13 11:52:38,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:52:38,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:52:38,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:52:38,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:52:38,343 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand 11 states. [2020-10-13 11:52:42,479 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-13 11:52:54,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:52:54,570 INFO L93 Difference]: Finished difference Result 1149 states and 1704 transitions. [2020-10-13 11:52:54,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:52:54,575 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2020-10-13 11:52:54,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:52:54,595 INFO L225 Difference]: With dead ends: 1149 [2020-10-13 11:52:54,595 INFO L226 Difference]: Without dead ends: 817 [2020-10-13 11:52:54,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-13 11:52:54,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2020-10-13 11:52:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 439. [2020-10-13 11:52:54,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-10-13 11:52:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 592 transitions. [2020-10-13 11:52:54,749 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 592 transitions. Word has length 167 [2020-10-13 11:52:54,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:52:54,749 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 592 transitions. [2020-10-13 11:52:54,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:52:54,749 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 592 transitions. [2020-10-13 11:52:54,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2020-10-13 11:52:54,753 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:52:54,754 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:52:54,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 11:52:54,754 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:52:54,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:52:54,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1658807938, now seen corresponding path program 1 times [2020-10-13 11:52:54,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:52:54,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [611095331] [2020-10-13 11:52:54,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:52:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:52:54,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:54,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:54,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:55,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:58,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:58,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:52:59,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:52:59,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 246 [2020-10-13 11:52:59,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-13 11:52:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-13 11:52:59,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:52:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:52:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-13 11:52:59,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:52:59,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:01,214 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-13 11:53:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:53:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:01,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:01,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:01,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:01,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:01,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-13 11:53:01,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:01,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:01,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:01,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:53:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:01,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:01,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:01,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:53:01,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:01,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:01,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:01,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:53:01,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:01,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:01,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:01,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:53:01,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:01,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:01,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:01,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:01,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:01,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:01,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:01,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:53:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:01,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:01,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:01,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:01,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:01,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:01,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:01,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:01,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:01,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:01,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:53:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:01,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:01,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:01,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:01,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:01,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:53:05,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-13 11:53:05,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4395 [2020-10-13 11:53:05,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 11:53:05,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:53:05,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:53:05,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:53:05,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:53:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:53:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:53:05,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:53:05,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:53:05,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:05,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:53:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:53:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:53:05,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:53:05,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:53:05,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:05,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:53:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 11:53:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:53:05,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:53:05,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:53:05,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:53:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 11:53:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:05,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:53:05,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:53:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:53:05,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 11:53:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:05,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:53:05,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 11:53:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:53:05,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:05,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:53:05,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:05,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:05,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:05,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 11:53:05,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:05,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:05,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:53:05,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 11:53:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:05,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:05,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:05,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:05,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:05,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:05,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:05,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:05,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:53:05,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:05,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-13 11:53:05,992 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [611095331] [2020-10-13 11:53:05,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:53:05,992 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-13 11:53:05,992 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627257748] [2020-10-13 11:53:05,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 11:53:05,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:53:05,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 11:53:05,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-13 11:53:05,994 INFO L87 Difference]: Start difference. First operand 439 states and 592 transitions. Second operand 11 states. [2020-10-13 11:53:08,950 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-13 11:53:19,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:53:19,453 INFO L93 Difference]: Finished difference Result 1434 states and 2244 transitions. [2020-10-13 11:53:19,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 11:53:19,453 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2020-10-13 11:53:19,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:53:19,464 INFO L225 Difference]: With dead ends: 1434 [2020-10-13 11:53:19,464 INFO L226 Difference]: Without dead ends: 1060 [2020-10-13 11:53:19,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-13 11:53:19,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2020-10-13 11:53:19,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 520. [2020-10-13 11:53:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-10-13 11:53:19,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 730 transitions. [2020-10-13 11:53:19,670 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 730 transitions. Word has length 168 [2020-10-13 11:53:19,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:53:19,671 INFO L479 AbstractCegarLoop]: Abstraction has 520 states and 730 transitions. [2020-10-13 11:53:19,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 11:53:19,671 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 730 transitions. [2020-10-13 11:53:19,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2020-10-13 11:53:19,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:53:19,675 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:53:19,675 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 11:53:19,675 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:53:19,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:53:19,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1751403281, now seen corresponding path program 1 times [2020-10-13 11:53:19,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:53:19,676 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1572575281] [2020-10-13 11:53:19,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:53:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:19,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:19,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:19,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:19,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:19,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:19,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:24,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:24,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-13 11:53:24,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:53:24,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-13 11:53:24,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:53:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-13 11:53:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:53:24,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:25,917 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-13 11:53:25,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:53:25,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:25,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:25,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:25,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:25,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:25,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:53:25,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:25,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:25,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:25,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:25,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:25,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:53:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:25,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:25,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:25,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:53:25,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:25,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:25,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:25,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:25,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:25,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:53:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:25,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:25,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:25,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:53:25,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:25,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:25,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:25,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:25,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:25,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:53:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:25,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:25,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:25,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:25,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:25,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:25,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:25,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:25,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:25,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:25,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:26,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:53:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:26,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:26,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:26,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:26,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-13 11:53:29,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:53:29,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3356 [2020-10-13 11:53:29,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:53:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-13 11:53:29,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:53:29,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:53:29,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:53:29,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:53:29,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:29,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:29,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:53:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:29,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:53:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:53:29,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:53:29,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:53:29,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:29,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:29,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:53:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:29,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:53:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:53:29,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:53:29,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-13 11:53:29,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:53:29,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:53:29,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 11:53:29,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:53:29,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:53:29,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:53:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:53:29,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:29,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:53:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:53:29,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:53:29,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:53:29,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 11:53:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:53:29,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:53:29,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:53:29,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:53:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:29,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 11:53:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:53:29,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:53:29,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:53:29,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:29,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:53:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:29,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 11:53:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:29,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:53:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 11:53:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:29,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:53:29,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 11:53:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:29,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:53:29,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 11:53:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:53:29,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:53:29,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:53:29,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:53:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:29,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:29,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:29,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 11:53:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:53:29,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:29,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:53:29,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 11:53:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:29,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:29,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:29,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:29,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:29,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:53:29,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:29,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:53:29,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:29,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:29,878 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 11:53:29,879 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1572575281] [2020-10-13 11:53:29,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:53:29,879 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-13 11:53:29,879 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122566818] [2020-10-13 11:53:29,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 11:53:29,880 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:53:29,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 11:53:29,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-13 11:53:29,880 INFO L87 Difference]: Start difference. First operand 520 states and 730 transitions. Second operand 16 states. [2020-10-13 11:53:32,400 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-13 11:53:34,305 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-13 11:53:35,576 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 537 [2020-10-13 11:53:37,067 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-13 11:53:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:53:48,923 INFO L93 Difference]: Finished difference Result 1881 states and 3068 transitions. [2020-10-13 11:53:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-13 11:53:48,923 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 171 [2020-10-13 11:53:48,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:53:48,934 INFO L225 Difference]: With dead ends: 1881 [2020-10-13 11:53:48,934 INFO L226 Difference]: Without dead ends: 1415 [2020-10-13 11:53:48,937 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 372 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=431, Invalid=1375, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 11:53:48,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2020-10-13 11:53:49,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 534. [2020-10-13 11:53:49,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-13 11:53:49,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 749 transitions. [2020-10-13 11:53:49,247 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 749 transitions. Word has length 171 [2020-10-13 11:53:49,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:53:49,247 INFO L479 AbstractCegarLoop]: Abstraction has 534 states and 749 transitions. [2020-10-13 11:53:49,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 11:53:49,248 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 749 transitions. [2020-10-13 11:53:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-13 11:53:49,252 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:53:49,252 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:53:49,252 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 11:53:49,252 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:53:49,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:53:49,253 INFO L82 PathProgramCache]: Analyzing trace with hash -2099724918, now seen corresponding path program 1 times [2020-10-13 11:53:49,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:53:49,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1772379785] [2020-10-13 11:53:49,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:53:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:49,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:49,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:49,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:49,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:49,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:49,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:49,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:52,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:54,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:54,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-13 11:53:54,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:53:54,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-13 11:53:54,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:53:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-13 11:53:54,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:53:54,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:55,598 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-13 11:53:55,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:53:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:55,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:55,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:55,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:55,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:55,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 11:53:55,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:55,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:55,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:53:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:55,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:55,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:55,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:53:55,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:55,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:55,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:55,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:55,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:55,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:53:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:55,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:55,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:55,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:53:55,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:55,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:55,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:55,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:55,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:53:55,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:55,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:55,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:53:55,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:53:55,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:53:55,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:53:55,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:53:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:53:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:53:55,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:53:55,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:53:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:53:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:53:55,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:55,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:55,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:55,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:55,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:53:56,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 11:54:00,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-13 11:54:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-13 11:54:00,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:54:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:54:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:54:00,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:54:00,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:54:00,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:54:00,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:54:00,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:00,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:54:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:00,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:00,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:54:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:54:00,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:54:00,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-13 11:54:00,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:54:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:54:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-13 11:54:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:54:00,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:54:00,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 11:54:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 11:54:00,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:00,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:00,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:54:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:00,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:54:00,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:54:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:54:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 11:54:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 11:54:00,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:54:00,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-13 11:54:00,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 11:54:00,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:54:00,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:00,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:00,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:00,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:54:00,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:54:00,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:00,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 11:54:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:54:00,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:54:00,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:54:00,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:54:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:00,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:00,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:00,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:00,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:00,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:00,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:00,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:00,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:00,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:00,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 11:54:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:54:01,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:54:01,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:54:01,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:01,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:01,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:01,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:54:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:01,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:01,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:01,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 11:54:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:01,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:01,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:54:01,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 11:54:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:01,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:01,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:54:01,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 11:54:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:01,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:01,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:54:01,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 11:54:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:54:01,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:01,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:54:01,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:54:01,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:01,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 11:54:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:01,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:01,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:54:01,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 11:54:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:01,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:01,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:01,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:54:01,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:01,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:01,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:54:01,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:01,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 11:54:01,121 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1772379785] [2020-10-13 11:54:01,121 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:54:01,121 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 11:54:01,121 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769262196] [2020-10-13 11:54:01,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 11:54:01,122 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:54:01,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 11:54:01,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2020-10-13 11:54:01,123 INFO L87 Difference]: Start difference. First operand 534 states and 749 transitions. Second operand 16 states. [2020-10-13 11:54:03,489 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-13 11:54:05,016 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 531 [2020-10-13 11:54:06,262 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-13 11:54:07,759 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 534 [2020-10-13 11:54:22,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:54:22,331 INFO L93 Difference]: Finished difference Result 1918 states and 3129 transitions. [2020-10-13 11:54:22,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-13 11:54:22,331 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 172 [2020-10-13 11:54:22,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:54:22,340 INFO L225 Difference]: With dead ends: 1918 [2020-10-13 11:54:22,341 INFO L226 Difference]: Without dead ends: 1431 [2020-10-13 11:54:22,344 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=430, Invalid=1376, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 11:54:22,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1431 states. [2020-10-13 11:54:22,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1431 to 546. [2020-10-13 11:54:22,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-10-13 11:54:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 763 transitions. [2020-10-13 11:54:22,619 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 763 transitions. Word has length 172 [2020-10-13 11:54:22,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:54:22,619 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 763 transitions. [2020-10-13 11:54:22,619 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 11:54:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 763 transitions. [2020-10-13 11:54:22,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-13 11:54:22,622 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:54:22,622 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:54:22,623 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 11:54:22,623 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:54:22,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:54:22,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1170986967, now seen corresponding path program 2 times [2020-10-13 11:54:22,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:54:22,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641315535] [2020-10-13 11:54:22,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:54:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:22,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:22,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:22,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:22,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:22,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:22,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:23,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:23,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:27,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:27,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-13 11:54:27,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:54:27,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-13 11:54:27,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:54:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 88 [2020-10-13 11:54:27,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:54:27,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:28,862 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-13 11:54:28,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:54:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:28,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:28,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:28,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:54:28,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:28,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-13 11:54:28,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:28,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:28,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:28,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:28,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:54:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:28,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:28,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:28,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:54:28,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:28,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:28,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:28,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:28,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:54:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:28,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:28,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:28,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:54:28,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:28,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:28,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:28,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:28,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:28,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:28,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:28,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:54:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:28,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:28,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:28,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:54:28,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:28,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:28,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:28,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:28,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:28,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:54:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:28,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:28,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:28,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:29,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:29,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:29,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:29,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:33,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:33,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 11:54:33,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-13 11:54:33,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-13 11:54:33,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:33,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:54:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-13 11:54:33,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:54:33,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:54:34,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:54:34,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:54:34,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:54:34,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:54:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:54:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 11:54:34,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:54:34,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-13 11:54:34,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:54:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:54:34,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 11:54:34,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:54:34,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 11:54:34,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:54:34,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:54:34,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 11:54:34,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:54:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:54:34,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:54:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:54:34,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:54:34,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-13 11:54:34,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:54:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:54:34,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:54:34,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 11:54:34,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 11:54:34,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-13 11:54:34,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-13 11:54:34,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-13 11:54:34,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:54:34,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:54:34,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:54:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:54:34,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 11:54:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:54:34,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:54:34,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:54:34,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:54:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 11:54:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:54:34,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:54:34,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:54:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:54:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 11:54:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:34,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:54:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 11:54:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:54:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 11:54:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:34,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:54:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 11:54:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:54:34,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:54:34,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:54:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:54:34,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:34,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:54:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 11:54:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:54:34,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:54:34,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:54:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 11:54:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:34,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:34,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:54:34,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:54:34,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:54:34,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:54:34,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:54:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:54:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:54:34,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:54:34,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:54:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:54:34,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641315535] [2020-10-13 11:54:34,725 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 11:54:34,725 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-13 11:54:34,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286027761] [2020-10-13 11:54:34,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 11:54:34,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:54:34,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 11:54:34,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:54:34,727 INFO L87 Difference]: Start difference. First operand 546 states and 763 transitions. Second operand 19 states. [2020-10-13 11:54:36,894 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 532 [2020-10-13 11:54:38,541 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 541 [2020-10-13 11:54:40,164 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-13 11:54:41,514 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 540 [2020-10-13 11:54:43,036 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 535 [2020-10-13 11:54:45,542 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 538 [2020-10-13 11:54:58,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 11:54:58,628 INFO L93 Difference]: Finished difference Result 1925 states and 3112 transitions. [2020-10-13 11:54:58,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 11:54:58,629 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 173 [2020-10-13 11:54:58,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 11:54:58,638 INFO L225 Difference]: With dead ends: 1925 [2020-10-13 11:54:58,638 INFO L226 Difference]: Without dead ends: 1437 [2020-10-13 11:54:58,641 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=392, Invalid=1330, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 11:54:58,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2020-10-13 11:54:58,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 548. [2020-10-13 11:54:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-10-13 11:54:58,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 764 transitions. [2020-10-13 11:54:58,994 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 764 transitions. Word has length 173 [2020-10-13 11:54:58,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 11:54:58,994 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 764 transitions. [2020-10-13 11:54:58,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 11:54:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 764 transitions. [2020-10-13 11:54:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-13 11:54:58,998 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 11:54:58,998 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 11:54:58,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 11:54:58,998 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 11:54:58,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 11:54:58,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1911700722, now seen corresponding path program 1 times [2020-10-13 11:54:58,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 11:54:58,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808409635] [2020-10-13 11:54:58,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 11:54:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:54:59,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:59,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:59,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:59,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:59,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:59,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:54:59,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:00,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:04,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:04,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-13 11:55:04,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-13 11:55:04,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-13 11:55:04,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:04,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:55:04,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-13 11:55:04,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:55:04,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:05,314 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 529 [2020-10-13 11:55:05,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:55:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:05,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:05,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:05,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:05,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:05,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 11:55:05,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:05,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:05,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:05,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:05,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:05,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:55:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:05,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:05,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:05,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:55:05,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:05,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:05,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:05,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:05,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:05,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:05,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 11:55:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:05,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:05,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:05,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 11:55:05,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:05,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:05,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:05,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:05,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:05,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:05,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:05,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 11:55:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:05,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:05,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:05,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:05,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:05,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:05,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:05,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:05,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:05,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:05,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:05,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 11:55:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:05,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:05,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:05,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:05,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-13 11:55:06,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:55:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 610 [2020-10-13 11:55:06,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:55:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 58 [2020-10-13 11:55:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 11:55:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-13 11:55:06,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:06,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:55:06,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:06,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:55:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:06,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 11:55:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 11:55:06,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:06,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 11:55:06,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:06,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:55:06,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 11:55:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:55:06,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 11:55:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-13 11:55:06,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-13 11:55:06,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-13 11:55:06,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 11:55:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-13 11:55:06,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-13 11:55:06,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 11:55:06,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 11:55:06,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 11:55:06,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 11:55:06,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:55:06,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 11:55:06,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:55:06,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 11:55:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-13 11:55:06,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 11:55:06,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 11:55:06,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 11:55:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-13 11:55:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-13 11:55:06,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 11:55:06,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:55:06,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 11:55:06,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:55:06,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 11:55:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 11:55:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-13 11:55:06,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 11:55:06,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-13 11:55:06,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:06,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 11:55:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:06,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 11:55:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:06,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 11:55:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:06,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 11:55:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:06,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 11:55:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-13 11:55:06,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 11:55:06,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 11:55:06,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 11:55:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:06,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 11:55:06,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 11:55:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 11:55:06,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-13 11:55:06,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 11:55:06,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 11:55:06,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 11:55:06,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 11:55:06,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 11:55:06,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 11:55:06,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 11:55:06,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 11:55:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 11:55:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-13 11:55:06,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 11:55:06,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 11:55:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-13 11:55:06,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808409635] [2020-10-13 11:55:06,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 11:55:06,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-13 11:55:06,551 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610487939] [2020-10-13 11:55:06,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 11:55:06,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 11:55:06,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 11:55:06,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-13 11:55:06,553 INFO L87 Difference]: Start difference. First operand 548 states and 764 transitions. Second operand 19 states. [2020-10-13 11:55:08,863 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 533 [2020-10-13 11:55:10,438 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 532