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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:24:19,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:24:19,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:24:19,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:24:19,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:24:19,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:24:19,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:24:19,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:24:19,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:24:19,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:24:19,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:24:19,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:24:19,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:24:19,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:24:19,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:24:19,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:24:19,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:24:19,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:24:19,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:24:19,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:24:19,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:24:19,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:24:19,445 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:24:19,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:24:19,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:24:19,449 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:24:19,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:24:19,452 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:24:19,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:24:19,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:24:19,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:24:19,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:24:19,459 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:24:19,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:24:19,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:24:19,464 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:24:19,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:24:19,465 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:24:19,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:24:19,466 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:24:19,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:24:19,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:24:19,483 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:24:19,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:24:19,486 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:24:19,486 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:24:19,486 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:24:19,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:24:19,487 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:24:19,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:24:19,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:24:19,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:24:19,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:24:19,489 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:24:19,489 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:24:19,489 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:24:19,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:24:19,490 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:24:19,490 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:24:19,490 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:24:19,490 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:24:19,490 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:24:19,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:24:19,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:24:19,491 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:24:19,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:24:19,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:24:19,492 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:24:19,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:24:19,492 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:24:19,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:24:19,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:24:19,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:24:19,812 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:24:19,814 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:24:19,815 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:24:19,815 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2019-10-14 23:24:19,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479181519/ea6f3ab88a5047fb86b8d74773648259/FLAG0ec1b02dc [2019-10-14 23:24:20,506 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:24:20,508 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2019-10-14 23:24:20,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479181519/ea6f3ab88a5047fb86b8d74773648259/FLAG0ec1b02dc [2019-10-14 23:24:20,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/479181519/ea6f3ab88a5047fb86b8d74773648259 [2019-10-14 23:24:20,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:24:20,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:24:20,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:24:20,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:24:20,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:24:20,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:24:20" (1/1) ... [2019-10-14 23:24:20,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd6b7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:20, skipping insertion in model container [2019-10-14 23:24:20,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:24:20" (1/1) ... [2019-10-14 23:24:20,750 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:24:20,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:24:21,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:24:21,482 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:24:21,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:24:21,718 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:24:21,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21 WrapperNode [2019-10-14 23:24:21,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:24:21,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:24:21,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:24:21,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:24:21,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21" (1/1) ... [2019-10-14 23:24:21,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21" (1/1) ... [2019-10-14 23:24:21,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21" (1/1) ... [2019-10-14 23:24:21,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21" (1/1) ... [2019-10-14 23:24:21,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21" (1/1) ... [2019-10-14 23:24:21,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21" (1/1) ... [2019-10-14 23:24:21,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21" (1/1) ... [2019-10-14 23:24:21,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:24:21,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:24:21,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:24:21,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:24:21,904 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-14 23:24:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:24:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:24:21,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:24:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:24:21,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:24:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:24:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:24:21,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:24:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:24:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:24:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-14 23:24:21,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:24:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:24:22,000 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:24:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:24:22,001 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:24:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:24:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:24:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:24:22,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:24:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:24:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:24:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:24:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:24:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:24:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:24:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:24:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:24:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:24:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:24:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:24:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:24:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:24:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:24:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:24:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:24:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:24:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:24:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:24:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:24:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-10-14 23:24:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:24:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:24:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:24:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:24:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:24:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:24:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:24:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-14 23:24:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-14 23:24:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:24:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:24:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:24:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:24:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:24:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:24:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:24:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:24:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:24:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:24:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:24:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:24:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:24:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:24:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:24:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:24:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:24:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:24:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:24:22,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:24:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:24:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:24:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:24:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:24:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:24:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:24:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:24:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:24:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:24:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:24:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:24:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:24:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:24:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:24:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:24:22,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:24:22,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:24:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:24:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:24:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:24:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:24:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:24:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:24:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:24:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:24:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:24:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:24:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:24:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:24:22,022 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:24:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:24:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:24:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:24:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:24:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:24:22,023 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:24:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:24:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:24:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:24:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:24:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:24:22,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:24:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:24:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-14 23:24:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:24:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:24:22,025 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:24:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:24:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:24:22,026 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:24:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:24:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:24:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:24:22,027 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:24:22,028 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:24:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:24:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:24:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:24:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:24:22,029 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:24:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:24:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:24:22,030 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:24:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:24:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:24:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:24:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:24:22,031 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:24:22,032 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:24:22,033 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:24:22,036 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:24:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:24:22,037 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:24:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:24:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:24:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:24:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-14 23:24:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-10-14 23:24:22,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-14 23:24:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:24:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:24:22,049 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:24:22,051 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:24:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:24:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:24:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:24:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:24:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:24:22,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:24:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:24:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:24:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:24:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:24:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:24:22,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:24:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:24:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:24:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:24:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:24:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:24:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:24:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:24:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:24:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:24:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:24:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:24:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:24:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:24:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:24:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:24:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:24:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:24:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:24:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:24:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:24:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:24:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:24:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:24:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:24:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:24:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:24:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:24:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:24:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:24:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:24:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:24:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:24:24,029 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:24:24,029 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:24:24,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:24:24 BoogieIcfgContainer [2019-10-14 23:24:24,032 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:24:24,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:24:24,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:24:24,037 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:24:24,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:24:20" (1/3) ... [2019-10-14 23:24:24,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffb386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:24:24, skipping insertion in model container [2019-10-14 23:24:24,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21" (2/3) ... [2019-10-14 23:24:24,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ffb386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:24:24, skipping insertion in model container [2019-10-14 23:24:24,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:24:24" (3/3) ... [2019-10-14 23:24:24,041 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2019-10-14 23:24:24,051 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:24:24,066 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:24:24,082 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:24:24,141 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:24:24,141 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:24:24,142 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:24:24,142 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:24:24,142 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:24:24,142 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:24:24,142 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:24:24,143 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:24:24,177 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2019-10-14 23:24:24,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-14 23:24:24,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:24,204 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:24:24,208 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:24,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:24,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1055446932, now seen corresponding path program 1 times [2019-10-14 23:24:24,228 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:24,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873091677] [2019-10-14 23:24:24,229 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:24,229 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:24,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:24,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,442 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 499 [2019-10-14 23:24:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-14 23:24:26,733 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873091677] [2019-10-14 23:24:26,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:26,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:24:26,735 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242229710] [2019-10-14 23:24:26,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:24:26,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:26,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:24:26,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:24:26,754 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 8 states. [2019-10-14 23:24:32,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:24:32,499 INFO L93 Difference]: Finished difference Result 504 states and 701 transitions. [2019-10-14 23:24:32,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-14 23:24:32,505 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 125 [2019-10-14 23:24:32,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:24:32,526 INFO L225 Difference]: With dead ends: 504 [2019-10-14 23:24:32,526 INFO L226 Difference]: Without dead ends: 328 [2019-10-14 23:24:32,532 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2019-10-14 23:24:32,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-10-14 23:24:32,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 200. [2019-10-14 23:24:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-10-14 23:24:32,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 248 transitions. [2019-10-14 23:24:32,709 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 248 transitions. Word has length 125 [2019-10-14 23:24:32,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:24:32,710 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 248 transitions. [2019-10-14 23:24:32,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:24:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 248 transitions. [2019-10-14 23:24:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-14 23:24:32,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:32,714 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:24:32,715 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:32,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:32,715 INFO L82 PathProgramCache]: Analyzing trace with hash -121667894, now seen corresponding path program 1 times [2019-10-14 23:24:32,715 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:32,716 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726327330] [2019-10-14 23:24:32,716 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:32,716 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:32,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,214 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 499 [2019-10-14 23:24:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:34,435 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-14 23:24:34,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726327330] [2019-10-14 23:24:34,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:34,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:24:34,436 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978223424] [2019-10-14 23:24:34,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:24:34,438 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:34,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:24:34,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:24:34,438 INFO L87 Difference]: Start difference. First operand 200 states and 248 transitions. Second operand 9 states. [2019-10-14 23:24:36,634 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 502 [2019-10-14 23:24:40,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:24:40,220 INFO L93 Difference]: Finished difference Result 447 states and 579 transitions. [2019-10-14 23:24:40,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-14 23:24:40,220 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 126 [2019-10-14 23:24:40,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:24:40,224 INFO L225 Difference]: With dead ends: 447 [2019-10-14 23:24:40,225 INFO L226 Difference]: Without dead ends: 331 [2019-10-14 23:24:40,227 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-10-14 23:24:40,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-10-14 23:24:40,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 202. [2019-10-14 23:24:40,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-10-14 23:24:40,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 250 transitions. [2019-10-14 23:24:40,334 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 250 transitions. Word has length 126 [2019-10-14 23:24:40,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:24:40,335 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 250 transitions. [2019-10-14 23:24:40,335 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:24:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 250 transitions. [2019-10-14 23:24:40,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-14 23:24:40,337 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:40,338 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:24:40,338 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:40,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:40,338 INFO L82 PathProgramCache]: Analyzing trace with hash 164607131, now seen corresponding path program 1 times [2019-10-14 23:24:40,339 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:40,339 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630750063] [2019-10-14 23:24:40,339 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:40,339 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:40,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,799 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 499 [2019-10-14 23:24:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:42,203 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-14 23:24:42,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630750063] [2019-10-14 23:24:42,204 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:42,204 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:24:42,204 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263255836] [2019-10-14 23:24:42,207 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:24:42,207 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:42,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:24:42,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:24:42,209 INFO L87 Difference]: Start difference. First operand 202 states and 250 transitions. Second operand 12 states. [2019-10-14 23:24:43,940 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 501 [2019-10-14 23:24:49,945 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 503 [2019-10-14 23:24:51,395 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 503 [2019-10-14 23:24:52,792 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 503 [2019-10-14 23:24:55,414 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 501 [2019-10-14 23:24:56,809 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 502 [2019-10-14 23:25:00,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:25:00,373 INFO L93 Difference]: Finished difference Result 675 states and 892 transitions. [2019-10-14 23:25:00,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-14 23:25:00,374 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2019-10-14 23:25:00,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:25:00,381 INFO L225 Difference]: With dead ends: 675 [2019-10-14 23:25:00,381 INFO L226 Difference]: Without dead ends: 572 [2019-10-14 23:25:00,383 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2019-10-14 23:25:00,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-10-14 23:25:00,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 359. [2019-10-14 23:25:00,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-14 23:25:00,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 453 transitions. [2019-10-14 23:25:00,565 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 453 transitions. Word has length 131 [2019-10-14 23:25:00,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:25:00,566 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 453 transitions. [2019-10-14 23:25:00,566 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:25:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 453 transitions. [2019-10-14 23:25:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-14 23:25:00,568 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:25:00,569 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-14 23:25:00,569 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:25:00,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:25:00,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1982236929, now seen corresponding path program 1 times [2019-10-14 23:25:00,570 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:25:00,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519060348] [2019-10-14 23:25:00,570 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:25:00,570 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:25:00,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:25:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat