/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 17:36:39,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 17:36:39,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 17:36:40,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 17:36:40,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 17:36:40,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 17:36:40,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 17:36:40,022 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 17:36:40,023 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 17:36:40,024 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 17:36:40,025 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 17:36:40,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 17:36:40,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 17:36:40,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 17:36:40,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 17:36:40,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 17:36:40,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 17:36:40,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 17:36:40,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 17:36:40,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 17:36:40,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 17:36:40,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 17:36:40,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 17:36:40,045 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 17:36:40,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 17:36:40,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 17:36:40,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 17:36:40,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 17:36:40,050 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 17:36:40,051 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 17:36:40,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 17:36:40,052 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 17:36:40,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 17:36:40,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 17:36:40,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 17:36:40,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 17:36:40,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 17:36:40,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 17:36:40,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 17:36:40,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 17:36:40,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 17:36:40,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-12 17:36:40,080 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 17:36:40,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 17:36:40,082 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 17:36:40,082 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 17:36:40,082 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 17:36:40,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 17:36:40,083 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 17:36:40,083 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 17:36:40,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 17:36:40,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 17:36:40,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 17:36:40,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 17:36:40,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 17:36:40,084 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 17:36:40,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 17:36:40,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 17:36:40,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 17:36:40,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 17:36:40,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 17:36:40,085 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 17:36:40,086 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 17:36:40,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:36:40,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 17:36:40,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 17:36:40,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 17:36:40,087 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 17:36:40,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 17:36:40,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 17:36:40,087 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 17:36:40,087 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 17:36:40,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 17:36:40,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 17:36:40,430 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 17:36:40,431 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 17:36:40,432 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 17:36:40,433 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2020-10-12 17:36:40,501 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c4536153/2d8c5a8f1ee74c1492e6fccbf1bc66d0/FLAG4e1bab994 [2020-10-12 17:36:41,078 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 17:36:41,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2020-10-12 17:36:41,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c4536153/2d8c5a8f1ee74c1492e6fccbf1bc66d0/FLAG4e1bab994 [2020-10-12 17:36:41,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4c4536153/2d8c5a8f1ee74c1492e6fccbf1bc66d0 [2020-10-12 17:36:41,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 17:36:41,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 17:36:41,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 17:36:41,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 17:36:41,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 17:36:41,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:36:41" (1/1) ... [2020-10-12 17:36:41,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ddc263a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:41, skipping insertion in model container [2020-10-12 17:36:41,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 05:36:41" (1/1) ... [2020-10-12 17:36:41,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 17:36:41,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 17:36:42,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:36:42,070 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 17:36:42,221 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 17:36:42,323 INFO L208 MainTranslator]: Completed translation [2020-10-12 17:36:42,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42 WrapperNode [2020-10-12 17:36:42,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 17:36:42,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 17:36:42,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 17:36:42,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 17:36:42,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42" (1/1) ... [2020-10-12 17:36:42,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42" (1/1) ... [2020-10-12 17:36:42,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42" (1/1) ... [2020-10-12 17:36:42,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42" (1/1) ... [2020-10-12 17:36:42,491 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42" (1/1) ... [2020-10-12 17:36:42,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42" (1/1) ... [2020-10-12 17:36:42,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42" (1/1) ... [2020-10-12 17:36:42,549 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 17:36:42,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 17:36:42,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 17:36:42,550 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 17:36:42,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 17:36:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 17:36:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 17:36:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-12 17:36:42,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-12 17:36:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-12 17:36:42,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-12 17:36:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-12 17:36:42,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-12 17:36:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-12 17:36:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-12 17:36:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-12 17:36:42,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-12 17:36:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-12 17:36:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-12 17:36:42,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-12 17:36:42,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-12 17:36:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-12 17:36:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-12 17:36:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-12 17:36:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-12 17:36:42,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-12 17:36:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-12 17:36:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-12 17:36:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-12 17:36:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-12 17:36:42,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-12 17:36:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-12 17:36:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-12 17:36:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-12 17:36:42,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-12 17:36:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-12 17:36:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-12 17:36:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-12 17:36:42,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-12 17:36:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-12 17:36:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-12 17:36:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-12 17:36:42,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-12 17:36:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-12 17:36:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-12 17:36:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-12 17:36:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-12 17:36:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-12 17:36:42,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-12 17:36:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-12 17:36:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-12 17:36:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-12 17:36:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-12 17:36:42,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-12 17:36:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-12 17:36:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-12 17:36:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-12 17:36:42,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-12 17:36:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-12 17:36:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-12 17:36:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-12 17:36:42,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-12 17:36:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-12 17:36:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-12 17:36:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-12 17:36:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-12 17:36:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-12 17:36:42,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-12 17:36:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-12 17:36:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-12 17:36:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-12 17:36:42,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-12 17:36:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-12 17:36:42,680 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-12 17:36:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-12 17:36:42,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-12 17:36:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-12 17:36:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-12 17:36:42,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-12 17:36:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-12 17:36:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-12 17:36:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-12 17:36:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-12 17:36:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-12 17:36:42,683 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 17:36:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-12 17:36:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-12 17:36:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-12 17:36:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-12 17:36:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-12 17:36:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-12 17:36:42,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-12 17:36:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-12 17:36:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-12 17:36:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-12 17:36:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-12 17:36:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-12 17:36:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-12 17:36:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:36:42,685 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-12 17:36:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-12 17:36:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-12 17:36:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-12 17:36:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-12 17:36:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-12 17:36:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-12 17:36:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-12 17:36:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-12 17:36:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-12 17:36:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-12 17:36:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-12 17:36:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-12 17:36:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-12 17:36:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-12 17:36:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-12 17:36:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-12 17:36:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-12 17:36:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-12 17:36:42,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 17:36:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 17:36:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-12 17:36:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 17:36:42,689 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 17:36:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-12 17:36:42,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 17:36:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 17:36:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 17:36:42,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 17:36:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-12 17:36:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 17:36:42,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-12 17:36:42,693 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-12 17:36:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 17:36:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-12 17:36:42,696 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-12 17:36:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 17:36:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-12 17:36:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-12 17:36:42,697 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-12 17:36:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-12 17:36:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-12 17:36:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-12 17:36:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-12 17:36:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-12 17:36:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-12 17:36:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-12 17:36:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-12 17:36:42,699 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-12 17:36:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-12 17:36:42,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-12 17:36:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-12 17:36:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-12 17:36:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-12 17:36:42,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-12 17:36:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-12 17:36:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-12 17:36:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-12 17:36:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-12 17:36:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-12 17:36:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-12 17:36:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-12 17:36:42,708 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-12 17:36:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-12 17:36:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-12 17:36:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-12 17:36:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-12 17:36:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-12 17:36:42,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-12 17:36:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-12 17:36:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-12 17:36:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-12 17:36:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-12 17:36:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-12 17:36:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-12 17:36:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-12 17:36:42,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-12 17:36:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-12 17:36:42,711 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-12 17:36:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-12 17:36:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-12 17:36:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-12 17:36:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-12 17:36:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-12 17:36:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-12 17:36:42,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-12 17:36:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-12 17:36:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-12 17:36:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-12 17:36:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-12 17:36:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-12 17:36:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-12 17:36:42,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-12 17:36:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-12 17:36:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-12 17:36:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-12 17:36:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-12 17:36:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-12 17:36:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-12 17:36:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-12 17:36:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-12 17:36:42,714 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-12 17:36:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-12 17:36:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-12 17:36:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-12 17:36:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-12 17:36:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-12 17:36:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-12 17:36:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-12 17:36:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-12 17:36:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-12 17:36:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-12 17:36:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-12 17:36:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-12 17:36:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-12 17:36:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-12 17:36:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-12 17:36:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-12 17:36:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-12 17:36:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-12 17:36:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-12 17:36:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-12 17:36:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-12 17:36:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-12 17:36:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-12 17:36:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 17:36:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-12 17:36:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-12 17:36:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-12 17:36:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-12 17:36:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-12 17:36:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-12 17:36:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-12 17:36:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-12 17:36:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-12 17:36:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-12 17:36:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-12 17:36:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-12 17:36:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-12 17:36:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-12 17:36:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-12 17:36:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-12 17:36:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-12 17:36:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-12 17:36:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 17:36:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 17:36:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 17:36:44,544 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 17:36:44,544 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-12 17:36:44,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:44 BoogieIcfgContainer [2020-10-12 17:36:44,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 17:36:44,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 17:36:44,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 17:36:44,558 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 17:36:44,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 05:36:41" (1/3) ... [2020-10-12 17:36:44,559 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b67654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:36:44, skipping insertion in model container [2020-10-12 17:36:44,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 05:36:42" (2/3) ... [2020-10-12 17:36:44,560 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36b67654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 05:36:44, skipping insertion in model container [2020-10-12 17:36:44,560 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 05:36:44" (3/3) ... [2020-10-12 17:36:44,562 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2020-10-12 17:36:44,573 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 17:36:44,583 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 17:36:44,599 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 17:36:44,625 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 17:36:44,626 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 17:36:44,626 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 17:36:44,626 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 17:36:44,626 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 17:36:44,626 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 17:36:44,626 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 17:36:44,626 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 17:36:44,656 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states. [2020-10-12 17:36:44,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-10-12 17:36:44,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:36:44,677 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] [2020-10-12 17:36:44,677 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:36:44,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:36:44,685 INFO L82 PathProgramCache]: Analyzing trace with hash -26401555, now seen corresponding path program 1 times [2020-10-12 17:36:44,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:36:44,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388671115] [2020-10-12 17:36:44,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:36:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:45,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:45,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:45,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:46,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:46,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:50,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:50,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 228 [2020-10-12 17:36:50,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:36:50,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5064 [2020-10-12 17:36:50,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:50,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:36:50,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-12 17:36:50,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:36:50,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 17:36:52,387 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:36:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:36:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:52,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:52,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:52,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:36:52,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:52,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-12 17:36:52,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:52,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:52,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:52,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:52,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:36:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:52,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:52,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:52,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:36:52,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:52,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:52,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:52,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:52,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:52,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:52,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:52,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:36:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:52,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:52,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:36:52,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:52,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:52,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:52,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:52,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:36:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:52,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:52,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:52,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:36:52,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:52,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:52,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:52,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:52,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:52,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:52,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:36:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:52,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:52,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:52,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:52,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:57,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:57,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-12 17:36:57,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 17:36:57,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-12 17:36:57,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:36:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-12 17:36:57,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:36:57,578 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:57,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:57,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:57,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:57,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:36:57,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:57,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:36:57,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:57,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:57,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:57,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:57,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:57,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:57,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:36:57,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:57,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 17:36:57,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:57,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:57,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:57,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:57,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:57,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:57,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:57,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:57,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:57,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:57,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:57,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:57,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:57,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:57,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:36:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:57,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:57,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:57,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:57,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:57,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:57,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:57,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:57,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:57,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:57,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:57,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:36:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:57,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:57,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:57,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:57,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:36:57,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:36:57,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 163 [2020-10-12 17:36:57,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:36:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:36:57,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:36:57,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:57,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:57,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:57,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:57,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:36:57,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:57,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 17:36:57,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:57,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:36:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:57,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:36:57,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:36:58,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:36:58,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:58,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:36:58,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:36:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:36:58,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:36:58,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:58,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:36:58,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 17:36:58,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:36:58,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:36:58,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-12 17:36:58,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:36:58,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:36:58,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:58,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:58,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:58,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:36:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:36:58,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:58,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 17:36:58,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:36:58,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:36:58,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:36:58,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:36:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:58,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:58,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:36:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:58,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:36:58,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:36:58,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 17:36:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:58,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:58,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 17:36:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:58,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 17:36:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:36:58,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:58,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:36:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 17:36:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:58,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 17:36:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 17:36:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:58,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:58,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 17:36:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:36:58,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:36:58,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:36:58,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:36:58,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:36:58,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:36:58,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:36:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:36:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:36:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:36:58,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:36:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-12 17:36:58,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388671115] [2020-10-12 17:36:58,349 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:36:58,349 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 17:36:58,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764487536] [2020-10-12 17:36:58,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 17:36:58,356 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:36:58,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 17:36:58,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-12 17:36:58,375 INFO L87 Difference]: Start difference. First operand 563 states. Second operand 17 states. [2020-10-12 17:37:01,157 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-12 17:37:03,214 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-12 17:37:05,516 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:06,999 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:26,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:37:26,359 INFO L93 Difference]: Finished difference Result 1379 states and 2086 transitions. [2020-10-12 17:37:26,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 17:37:26,362 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 154 [2020-10-12 17:37:26,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:37:26,390 INFO L225 Difference]: With dead ends: 1379 [2020-10-12 17:37:26,390 INFO L226 Difference]: Without dead ends: 815 [2020-10-12 17:37:26,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=519, Invalid=1833, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 17:37:26,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2020-10-12 17:37:26,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 512. [2020-10-12 17:37:26,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-10-12 17:37:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 704 transitions. [2020-10-12 17:37:26,750 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 704 transitions. Word has length 154 [2020-10-12 17:37:26,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:37:26,750 INFO L479 AbstractCegarLoop]: Abstraction has 512 states and 704 transitions. [2020-10-12 17:37:26,751 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 17:37:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 704 transitions. [2020-10-12 17:37:26,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 17:37:26,770 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:37:26,771 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 17:37:26,771 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 17:37:26,772 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:37:26,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:37:26,772 INFO L82 PathProgramCache]: Analyzing trace with hash -1144620359, now seen corresponding path program 1 times [2020-10-12 17:37:26,773 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:37:26,773 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959257356] [2020-10-12 17:37:26,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:37:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:26,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:26,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:27,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:27,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:27,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:31,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:31,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 17:37:31,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:37:31,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-12 17:37:31,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:31,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:31,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 66 [2020-10-12 17:37:31,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:37:31,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:33,278 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:37:33,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:37:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:33,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:33,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:33,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:37:33,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:33,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-12 17:37:33,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:33,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:33,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:33,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:33,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:33,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:37:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:33,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:33,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:33,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:37:33,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:33,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:37:33,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:33,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:37:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:33,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:33,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:33,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:37:33,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:33,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:37:33,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:33,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:33,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:33,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:33,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:33,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:37:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:33,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:33,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:33,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:37:33,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:33,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:33,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:33,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:33,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:37:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:33,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:33,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:33,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:33,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:33,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 17:37:38,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:37:38,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:37:38,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 57 [2020-10-12 17:37:38,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:37:38,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:38,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:37:38,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:38,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:37:38,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:38,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:38,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:38,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:38,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:37:38,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:38,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:38,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:38,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:38,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:38,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:38,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:38,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:38,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:37:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:38,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:38,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:38,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:38,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:38,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:38,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:37:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-12 17:37:38,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 17:37:38,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-12 17:37:38,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 17:37:38,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 17:37:38,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:38,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:37:38,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:37:38,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 17:37:38,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 17:37:38,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:38,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:37:38,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:38,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:37:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:37:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:37:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:37:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:37:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:38,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:37:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:38,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 17:37:38,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:37:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:37:38,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:37:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:38,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 17:37:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:37:38,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:37:38,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-12 17:37:38,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:37:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:37:38,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 17:37:38,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:38,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:38,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:38,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:38,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:37:38,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:38,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 17:37:38,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:38,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:37:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:38,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 17:37:38,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:39,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:39,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 17:37:39,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:37:39,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:39,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:37:39,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:39,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:37:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:39,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:39,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:37:39,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:39,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:37:39,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 17:37:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:37:39,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:37:39,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:39,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-12 17:37:39,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:39,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:39,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:37:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:39,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:39,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:39,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:39,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:37:39,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:37:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:39,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:39,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:37:39,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:39,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:39,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 17:37:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:39,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:37:39,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:39,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:39,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:39,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 17:37:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:39,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:39,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:39,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:39,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:39,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:39,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 17:37:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:37:39,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:39,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-12 17:37:39,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:39,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:39,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 17:37:39,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:39,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:39,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:39,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:39,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:39,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 17:37:39,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:39,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:39,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:39,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:39,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:39,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 17:37:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:37:39,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:37:39,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:37:39,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:37:39,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:37:39,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:37:39,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:37:39,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:37:39,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:37:39,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:37:39,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:37:39,321 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 17:37:39,322 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959257356] [2020-10-12 17:37:39,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:37:39,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 17:37:39,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037188039] [2020-10-12 17:37:39,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 17:37:39,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:37:39,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 17:37:39,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2020-10-12 17:37:39,327 INFO L87 Difference]: Start difference. First operand 512 states and 704 transitions. Second operand 23 states. [2020-10-12 17:37:42,077 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 571 [2020-10-12 17:37:43,901 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:45,415 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-12 17:37:47,200 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:48,966 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:50,827 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-12 17:37:52,272 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:53,825 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:55,255 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:37:57,151 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-12 17:37:58,571 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 575 [2020-10-12 17:38:16,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 17:38:16,147 INFO L93 Difference]: Finished difference Result 1299 states and 1928 transitions. [2020-10-12 17:38:16,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 17:38:16,148 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 156 [2020-10-12 17:38:16,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 17:38:16,159 INFO L225 Difference]: With dead ends: 1299 [2020-10-12 17:38:16,160 INFO L226 Difference]: Without dead ends: 817 [2020-10-12 17:38:16,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 18.1s TimeCoverageRelationStatistics Valid=556, Invalid=2750, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 17:38:16,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2020-10-12 17:38:16,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 514. [2020-10-12 17:38:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2020-10-12 17:38:16,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 707 transitions. [2020-10-12 17:38:16,336 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 707 transitions. Word has length 156 [2020-10-12 17:38:16,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 17:38:16,337 INFO L479 AbstractCegarLoop]: Abstraction has 514 states and 707 transitions. [2020-10-12 17:38:16,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 17:38:16,337 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 707 transitions. [2020-10-12 17:38:16,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 17:38:16,341 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 17:38:16,341 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] [2020-10-12 17:38:16,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 17:38:16,342 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 17:38:16,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 17:38:16,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1369898616, now seen corresponding path program 1 times [2020-10-12 17:38:16,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 17:38:16,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [217698401] [2020-10-12 17:38:16,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 17:38:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:16,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:16,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:16,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:18,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:18,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:21,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:21,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 17:38:21,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:38:21,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-12 17:38:21,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 17:38:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 17:38:21,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-12 17:38:21,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,365 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 568 [2020-10-12 17:38:23,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 17:38:23,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:38:23,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-12 17:38:23,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:23,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 17:38:23,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:38:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:38:23,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:23,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:23,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:38:23,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 17:38:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 17:38:23,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:23,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:23,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:23,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 17:38:23,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 17:38:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:23,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 17:38:23,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:23,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:23,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:23,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:23,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:23,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 17:38:23,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:23,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 17:38:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:23,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:23,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:28,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 17:38:28,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-12 17:38:28,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-12 17:38:28,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:28,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 17:38:28,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:28,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 17:38:28,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:28,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:28,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:28,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-12 17:38:28,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:28,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 17:38:28,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:28,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:28,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:28,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:28,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:28,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:28,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:28,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 17:38:28,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:28,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:28,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:28,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:28,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:28,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:28,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:28,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:28,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:28,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:28,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:28,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:28,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:28,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:28,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:28,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 17:38:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:28,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:28,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:28,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:28,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:28,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:28,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:28,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:28,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 17:38:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:28,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:28,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:38:28,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 17:38:28,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-12 17:38:28,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:28,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 17:38:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:28,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 17:38:28,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:38:28,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:28,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:28,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:28,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:38:28,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:28,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-12 17:38:28,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:28,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:38:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:28,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 17:38:28,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 17:38:29,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:29,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 17:38:29,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:38:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 17:38:29,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:38:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:29,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:29,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:29,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:38:29,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 17:38:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 17:38:29,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 17:38:29,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 17:38:29,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-12 17:38:29,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:29,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:29,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:29,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:29,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:29,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:29,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 17:38:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:29,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:29,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:29,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 17:38:29,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 17:38:29,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 17:38:29,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 17:38:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 17:38:29,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 17:38:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:29,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:29,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:29,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:38:29,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 17:38:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:29,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 17:38:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 17:38:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:38:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 17:38:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:29,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:29,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 17:38:29,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:38:29,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 17:38:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:29,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:29,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:38:29,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 17:38:29,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 17:38:29,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 17:38:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-12 17:38:29,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 17:38:29,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 17:38:29,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-12 17:38:29,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 17:38:29,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 17:38:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:29,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:29,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:29,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:29,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:29,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 17:38:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:29,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 17:38:29,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:29,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:29,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:29,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 17:38:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 17:38:29,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 17:38:29,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 17:38:29,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 17:38:29,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 17:38:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 17:38:29,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 17:38:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 17:38:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 17:38:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 17:38:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 17:38:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-12 17:38:29,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [217698401] [2020-10-12 17:38:29,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 17:38:29,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 17:38:29,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068210319] [2020-10-12 17:38:29,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 17:38:29,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 17:38:29,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 17:38:29,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930 [2020-10-12 17:38:29,592 INFO L87 Difference]: Start difference. First operand 514 states and 707 transitions. Second operand 31 states. [2020-10-12 17:38:36,558 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:38:38,583 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-12 17:38:42,380 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 574 DAG size of output: 572 [2020-10-12 17:38:45,258 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-12 17:38:48,258 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-12 17:38:51,170 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-12 17:38:56,850 WARN L193 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-12 17:38:59,864 WARN L193 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 580 DAG size of output: 578 [2020-10-12 17:39:02,954 WARN L193 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-12 17:39:07,601 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-12 17:39:12,752 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 576 DAG size of output: 574 [2020-10-12 17:39:15,066 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 570 [2020-10-12 17:39:20,696 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 578 DAG size of output: 576 [2020-10-12 17:39:23,859 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 576 DAG size of output: 574 [2020-10-12 17:39:27,004 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 579 DAG size of output: 577 [2020-10-12 17:39:30,149 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 579 DAG size of output: 577 [2020-10-12 17:39:33,273 WARN L193 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 579 DAG size of output: 577 [2020-10-12 17:39:36,398 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 577 DAG size of output: 575 [2020-10-12 17:39:39,609 WARN L193 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 580 DAG size of output: 578 [2020-10-12 17:39:42,993 WARN L193 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 578 DAG size of output: 576 [2020-10-12 17:39:47,121 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-12 17:39:50,401 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-12 17:39:54,730 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 572 [2020-10-12 17:39:56,350 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-12 17:39:57,852 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-12 17:40:03,987 WARN L193 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 579 DAG size of output: 577