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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec1_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:14:38,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:14:38,536 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:14:38,548 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:14:38,548 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:14:38,549 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:14:38,551 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:14:38,553 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:14:38,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:14:38,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:14:38,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:14:38,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:14:38,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:14:38,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:14:38,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:14:38,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:14:38,561 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:14:38,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:14:38,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:14:38,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:14:38,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:14:38,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:14:38,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:14:38,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:14:38,574 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:14:38,575 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:14:38,575 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:14:38,576 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:14:38,576 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:14:38,578 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:14:38,578 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:14:38,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:14:38,580 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:14:38,580 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:14:38,581 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:14:38,582 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:14:38,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:14:38,583 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:14:38,583 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:14:38,584 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:14:38,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:14:38,586 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 [2019-10-13 21:14:38,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:14:38,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:14:38,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:14:38,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:14:38,602 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:14:38,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:14:38,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:14:38,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:14:38,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:14:38,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:14:38,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:14:38,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:14:38,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:14:38,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:14:38,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:14:38,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:14:38,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:14:38,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:14:38,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:14:38,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:14:38,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:14:38,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:14:38,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:14:38,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:14:38,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:14:38,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:14:38,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:14:38,607 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:14:38,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:14:38,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:14:38,915 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:14:38,918 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:14:38,920 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:14:38,920 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:14:38,921 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_productSimulator.cil.c [2019-10-13 21:14:38,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ba3101/5b86fa8023ff4adfa40645e208d4a723/FLAG90df09134 [2019-10-13 21:14:39,644 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:14:39,647 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_productSimulator.cil.c [2019-10-13 21:14:39,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ba3101/5b86fa8023ff4adfa40645e208d4a723/FLAG90df09134 [2019-10-13 21:14:39,803 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140ba3101/5b86fa8023ff4adfa40645e208d4a723 [2019-10-13 21:14:39,815 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:14:39,817 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:14:39,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:39,819 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:14:39,823 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:14:39,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:39" (1/1) ... [2019-10-13 21:14:39,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6251c581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:39, skipping insertion in model container [2019-10-13 21:14:39,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:39" (1/1) ... [2019-10-13 21:14:39,839 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:14:39,932 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:14:40,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:40,767 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:14:40,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:41,177 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:14:41,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41 WrapperNode [2019-10-13 21:14:41,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:41,179 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:14:41,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:14:41,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:14:41,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41" (1/1) ... [2019-10-13 21:14:41,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41" (1/1) ... [2019-10-13 21:14:41,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41" (1/1) ... [2019-10-13 21:14:41,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41" (1/1) ... [2019-10-13 21:14:41,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41" (1/1) ... [2019-10-13 21:14:41,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41" (1/1) ... [2019-10-13 21:14:41,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41" (1/1) ... [2019-10-13 21:14:41,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:14:41,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:14:41,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:14:41,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:14:41,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41" (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 [2019-10-13 21:14:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:14:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:14:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:41,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:14:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-13 21:14:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-13 21:14:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-13 21:14:41,516 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-13 21:14:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-13 21:14:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-13 21:14:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 21:14:41,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-13 21:14:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-13 21:14:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 21:14:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 21:14:41,518 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 21:14:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 21:14:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-13 21:14:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-13 21:14:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-13 21:14:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-13 21:14:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-13 21:14:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-13 21:14:41,520 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 21:14:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 21:14:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-13 21:14:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-13 21:14:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-13 21:14:41,521 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-13 21:14:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-13 21:14:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-13 21:14:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-13 21:14:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-13 21:14:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 21:14:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 21:14:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 21:14:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 21:14:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 21:14:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 21:14:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 21:14:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 21:14:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 21:14:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 21:14:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 21:14:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 21:14:41,547 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 21:14:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 21:14:41,548 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 21:14:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 21:14:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 21:14:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 21:14:41,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 21:14:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 21:14:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 21:14:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 21:14:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 21:14:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 21:14:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 21:14:41,550 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 21:14:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 21:14:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 21:14:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 21:14:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 21:14:41,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 21:14:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 21:14:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 21:14:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 21:14:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 21:14:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-13 21:14:41,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-13 21:14:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 21:14:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-13 21:14:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-13 21:14:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 21:14:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-13 21:14:41,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-13 21:14:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 21:14:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 21:14:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 21:14:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:14:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:14:41,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 21:14:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 21:14:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 21:14:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 21:14:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 21:14:41,555 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 21:14:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 21:14:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 21:14:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 21:14:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 21:14:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 21:14:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 21:14:41,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:14:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:14:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:14:41,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:14:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 21:14:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 21:14:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 21:14:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 21:14:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 21:14:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 21:14:41,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 21:14:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 21:14:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 21:14:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 21:14:41,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 21:14:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 21:14:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 21:14:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 21:14:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 21:14:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 21:14:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 21:14:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 21:14:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 21:14:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 21:14:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 21:14:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 21:14:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 21:14:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 21:14:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 21:14:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 21:14:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 21:14:41,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 21:14:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 21:14:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:14:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:14:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:14:41,563 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:14:41,564 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 21:14:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:14:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:14:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:14:41,564 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 21:14:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 21:14:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:14:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 21:14:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 21:14:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 21:14:41,565 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 21:14:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 21:14:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 21:14:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 21:14:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 21:14:41,566 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 21:14:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 21:14:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 21:14:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:14:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:14:41,567 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 21:14:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 21:14:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 21:14:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 21:14:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 21:14:41,568 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 21:14:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 21:14:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 21:14:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 21:14:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 21:14:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 21:14:41,569 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 21:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 21:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-13 21:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-13 21:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-13 21:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-13 21:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-13 21:14:41,570 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-13 21:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-13 21:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-13 21:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 21:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 21:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 21:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 21:14:41,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 21:14:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 21:14:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 21:14:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 21:14:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 21:14:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 21:14:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 21:14:41,572 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 21:14:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 21:14:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 21:14:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 21:14:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 21:14:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 21:14:41,573 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 21:14:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 21:14:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 21:14:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 21:14:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 21:14:41,574 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 21:14:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 21:14:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 21:14:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 21:14:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 21:14:41,575 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 21:14:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 21:14:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 21:14:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 21:14:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-13 21:14:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-13 21:14:41,576 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-13 21:14:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-13 21:14:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-13 21:14:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-13 21:14:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-13 21:14:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-13 21:14:41,577 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-13 21:14:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-13 21:14:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-13 21:14:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-13 21:14:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-13 21:14:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-13 21:14:41,578 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 21:14:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 21:14:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 21:14:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 21:14:41,579 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 21:14:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 21:14:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 21:14:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 21:14:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 21:14:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 21:14:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 21:14:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 21:14:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 21:14:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 21:14:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 21:14:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 21:14:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 21:14:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:14:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:14:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:14:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 21:14:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 21:14:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 21:14:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 21:14:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:14:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:14:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 21:14:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 21:14:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-13 21:14:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-13 21:14:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-13 21:14:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-13 21:14:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-13 21:14:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-13 21:14:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:14:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:14:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:14:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:41,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:14:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:14:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:14:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:14:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:14:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:14:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:14:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:14:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:14:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 21:14:41,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 21:14:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 21:14:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 21:14:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 21:14:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 21:14:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 21:14:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 21:14:41,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 21:14:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:14:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 21:14:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:14:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:14:41,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:14:44,066 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:14:44,066 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:14:44,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:44 BoogieIcfgContainer [2019-10-13 21:14:44,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:14:44,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:14:44,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:14:44,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:14:44,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:14:39" (1/3) ... [2019-10-13 21:14:44,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89d6f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:44, skipping insertion in model container [2019-10-13 21:14:44,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:41" (2/3) ... [2019-10-13 21:14:44,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@89d6f5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:44, skipping insertion in model container [2019-10-13 21:14:44,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:44" (3/3) ... [2019-10-13 21:14:44,077 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_productSimulator.cil.c [2019-10-13 21:14:44,088 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:14:44,097 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:14:44,110 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:14:44,142 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:14:44,143 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:14:44,143 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:14:44,143 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:14:44,143 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:14:44,143 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:14:44,144 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:14:44,144 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:14:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states. [2019-10-13 21:14:44,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-13 21:14:44,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:44,204 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:44,206 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:44,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:44,213 INFO L82 PathProgramCache]: Analyzing trace with hash 927627647, now seen corresponding path program 1 times [2019-10-13 21:14:44,223 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:44,223 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016367804] [2019-10-13 21:14:44,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:44,224 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:44,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:44,983 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-13 21:14:44,983 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016367804] [2019-10-13 21:14:44,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:44,985 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:14:44,985 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257443520] [2019-10-13 21:14:44,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:14:44,993 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:45,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:14:45,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:14:45,011 INFO L87 Difference]: Start difference. First operand 814 states. Second operand 6 states. [2019-10-13 21:14:45,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:45,314 INFO L93 Difference]: Finished difference Result 1546 states and 2137 transitions. [2019-10-13 21:14:45,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:14:45,316 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2019-10-13 21:14:45,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:45,358 INFO L225 Difference]: With dead ends: 1546 [2019-10-13 21:14:45,358 INFO L226 Difference]: Without dead ends: 785 [2019-10-13 21:14:45,371 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:14:45,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2019-10-13 21:14:45,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2019-10-13 21:14:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-10-13 21:14:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1069 transitions. [2019-10-13 21:14:45,527 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1069 transitions. Word has length 170 [2019-10-13 21:14:45,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:45,531 INFO L462 AbstractCegarLoop]: Abstraction has 785 states and 1069 transitions. [2019-10-13 21:14:45,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:14:45,532 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1069 transitions. [2019-10-13 21:14:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-13 21:14:45,541 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:45,541 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:45,541 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:45,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:45,542 INFO L82 PathProgramCache]: Analyzing trace with hash 974012359, now seen corresponding path program 1 times [2019-10-13 21:14:45,542 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:45,542 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234034896] [2019-10-13 21:14:45,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:45,543 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:45,543 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:45,734 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-13 21:14:45,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234034896] [2019-10-13 21:14:45,735 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:45,735 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:14:45,735 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326113831] [2019-10-13 21:14:45,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:14:45,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:45,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:14:45,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:14:45,739 INFO L87 Difference]: Start difference. First operand 785 states and 1069 transitions. Second operand 4 states. [2019-10-13 21:14:46,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:46,701 INFO L93 Difference]: Finished difference Result 1533 states and 2123 transitions. [2019-10-13 21:14:46,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:14:46,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 176 [2019-10-13 21:14:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:46,709 INFO L225 Difference]: With dead ends: 1533 [2019-10-13 21:14:46,709 INFO L226 Difference]: Without dead ends: 784 [2019-10-13 21:14:46,712 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:14:46,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2019-10-13 21:14:46,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2019-10-13 21:14:46,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-10-13 21:14:46,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1059 transitions. [2019-10-13 21:14:46,751 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1059 transitions. Word has length 176 [2019-10-13 21:14:46,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:46,752 INFO L462 AbstractCegarLoop]: Abstraction has 784 states and 1059 transitions. [2019-10-13 21:14:46,752 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:14:46,752 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1059 transitions. [2019-10-13 21:14:46,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-13 21:14:46,756 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:46,756 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:46,757 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:46,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:46,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1779507957, now seen corresponding path program 1 times [2019-10-13 21:14:46,757 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:46,758 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525262745] [2019-10-13 21:14:46,758 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:46,758 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:46,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:46,909 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-13 21:14:46,910 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525262745] [2019-10-13 21:14:46,910 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:46,910 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:46,910 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331363033] [2019-10-13 21:14:46,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:46,911 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:46,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:46,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:46,912 INFO L87 Difference]: Start difference. First operand 784 states and 1059 transitions. Second operand 3 states. [2019-10-13 21:14:47,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:47,093 INFO L93 Difference]: Finished difference Result 1526 states and 2082 transitions. [2019-10-13 21:14:47,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:47,095 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-13 21:14:47,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:47,105 INFO L225 Difference]: With dead ends: 1526 [2019-10-13 21:14:47,105 INFO L226 Difference]: Without dead ends: 783 [2019-10-13 21:14:47,110 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:47,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-10-13 21:14:47,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2019-10-13 21:14:47,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2019-10-13 21:14:47,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1055 transitions. [2019-10-13 21:14:47,233 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1055 transitions. Word has length 194 [2019-10-13 21:14:47,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:47,233 INFO L462 AbstractCegarLoop]: Abstraction has 783 states and 1055 transitions. [2019-10-13 21:14:47,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:47,234 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1055 transitions. [2019-10-13 21:14:47,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-13 21:14:47,244 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:47,245 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:47,245 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:47,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:47,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1678629291, now seen corresponding path program 1 times [2019-10-13 21:14:47,246 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:47,246 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269091675] [2019-10-13 21:14:47,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:47,247 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:47,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-13 21:14:47,511 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269091675] [2019-10-13 21:14:47,511 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:47,511 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:14:47,511 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689145758] [2019-10-13 21:14:47,512 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:14:47,513 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:47,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:14:47,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:14:47,513 INFO L87 Difference]: Start difference. First operand 783 states and 1055 transitions. Second operand 4 states. [2019-10-13 21:14:48,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:48,318 INFO L93 Difference]: Finished difference Result 1497 states and 2028 transitions. [2019-10-13 21:14:48,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:14:48,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2019-10-13 21:14:48,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:48,324 INFO L225 Difference]: With dead ends: 1497 [2019-10-13 21:14:48,324 INFO L226 Difference]: Without dead ends: 780 [2019-10-13 21:14:48,328 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:14:48,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2019-10-13 21:14:48,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2019-10-13 21:14:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2019-10-13 21:14:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1038 transitions. [2019-10-13 21:14:48,432 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1038 transitions. Word has length 195 [2019-10-13 21:14:48,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:48,433 INFO L462 AbstractCegarLoop]: Abstraction has 780 states and 1038 transitions. [2019-10-13 21:14:48,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:14:48,433 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1038 transitions. [2019-10-13 21:14:48,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-13 21:14:48,438 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:48,438 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:48,438 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:48,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:48,439 INFO L82 PathProgramCache]: Analyzing trace with hash 376659564, now seen corresponding path program 1 times [2019-10-13 21:14:48,439 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:48,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050402520] [2019-10-13 21:14:48,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:48,440 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:48,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:48,605 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-13 21:14:48,606 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050402520] [2019-10-13 21:14:48,606 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:48,606 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:48,607 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800693798] [2019-10-13 21:14:48,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:48,607 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:48,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:48,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:48,608 INFO L87 Difference]: Start difference. First operand 780 states and 1038 transitions. Second operand 3 states. [2019-10-13 21:14:48,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:48,655 INFO L93 Difference]: Finished difference Result 1213 states and 1595 transitions. [2019-10-13 21:14:48,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:48,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-10-13 21:14:48,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:48,662 INFO L225 Difference]: With dead ends: 1213 [2019-10-13 21:14:48,662 INFO L226 Difference]: Without dead ends: 783 [2019-10-13 21:14:48,664 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:48,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-10-13 21:14:48,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 782. [2019-10-13 21:14:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2019-10-13 21:14:48,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1040 transitions. [2019-10-13 21:14:48,701 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1040 transitions. Word has length 222 [2019-10-13 21:14:48,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:48,702 INFO L462 AbstractCegarLoop]: Abstraction has 782 states and 1040 transitions. [2019-10-13 21:14:48,702 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:48,703 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1040 transitions. [2019-10-13 21:14:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-13 21:14:48,707 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:48,708 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:48,708 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:48,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:48,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1254649256, now seen corresponding path program 1 times [2019-10-13 21:14:48,709 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:48,709 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994265019] [2019-10-13 21:14:48,709 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:48,709 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:48,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-13 21:14:48,981 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994265019] [2019-10-13 21:14:48,984 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:48,984 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:48,984 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682220862] [2019-10-13 21:14:48,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:48,986 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:48,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:48,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:48,986 INFO L87 Difference]: Start difference. First operand 782 states and 1040 transitions. Second operand 3 states. [2019-10-13 21:14:49,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:49,043 INFO L93 Difference]: Finished difference Result 1502 states and 2036 transitions. [2019-10-13 21:14:49,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:49,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2019-10-13 21:14:49,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:49,051 INFO L225 Difference]: With dead ends: 1502 [2019-10-13 21:14:49,051 INFO L226 Difference]: Without dead ends: 837 [2019-10-13 21:14:49,054 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:49,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2019-10-13 21:14:49,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 836. [2019-10-13 21:14:49,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2019-10-13 21:14:49,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1128 transitions. [2019-10-13 21:14:49,096 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1128 transitions. Word has length 230 [2019-10-13 21:14:49,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:49,098 INFO L462 AbstractCegarLoop]: Abstraction has 836 states and 1128 transitions. [2019-10-13 21:14:49,098 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:49,098 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1128 transitions. [2019-10-13 21:14:49,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-13 21:14:49,103 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:49,103 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:49,103 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:49,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:49,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1110363419, now seen corresponding path program 1 times [2019-10-13 21:14:49,104 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:49,104 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348477114] [2019-10-13 21:14:49,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:49,105 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:49,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-13 21:14:50,113 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348477114] [2019-10-13 21:14:50,113 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:50,113 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2019-10-13 21:14:50,113 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854173662] [2019-10-13 21:14:50,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-10-13 21:14:50,114 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:50,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-10-13 21:14:50,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1110, Unknown=0, NotChecked=0, Total=1190 [2019-10-13 21:14:50,115 INFO L87 Difference]: Start difference. First operand 836 states and 1128 transitions. Second operand 35 states. [2019-10-13 21:14:58,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:58,814 INFO L93 Difference]: Finished difference Result 2351 states and 3233 transitions. [2019-10-13 21:14:58,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-13 21:14:58,814 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 231 [2019-10-13 21:14:58,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:58,827 INFO L225 Difference]: With dead ends: 2351 [2019-10-13 21:14:58,827 INFO L226 Difference]: Without dead ends: 1596 [2019-10-13 21:14:58,832 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=288, Invalid=4002, Unknown=0, NotChecked=0, Total=4290 [2019-10-13 21:14:58,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2019-10-13 21:14:58,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 1139. [2019-10-13 21:14:58,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1139 states. [2019-10-13 21:14:58,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1600 transitions. [2019-10-13 21:14:58,920 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1600 transitions. Word has length 231 [2019-10-13 21:14:58,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:58,921 INFO L462 AbstractCegarLoop]: Abstraction has 1139 states and 1600 transitions. [2019-10-13 21:14:58,921 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-10-13 21:14:58,921 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1600 transitions. [2019-10-13 21:14:58,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-13 21:14:58,926 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:58,927 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:58,927 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:58,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:58,928 INFO L82 PathProgramCache]: Analyzing trace with hash -590904633, now seen corresponding path program 1 times [2019-10-13 21:14:58,928 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:58,928 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743615343] [2019-10-13 21:14:58,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:58,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:58,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:59,877 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-13 21:14:59,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743615343] [2019-10-13 21:14:59,878 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235380465] [2019-10-13 21:14:59,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:15:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:15:00,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 3304 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:15:00,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:15:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-13 21:15:00,970 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:15:01,564 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 21:15:01,693 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 21:15:01,792 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-13 21:15:01,928 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-13 21:15:01,929 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-13 21:15:01,929 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [35, 9] total 47 [2019-10-13 21:15:01,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155273104] [2019-10-13 21:15:01,930 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:15:01,930 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:15:01,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:15:01,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2025, Unknown=0, NotChecked=0, Total=2162 [2019-10-13 21:15:01,932 INFO L87 Difference]: Start difference. First operand 1139 states and 1600 transitions. Second operand 9 states. [2019-10-13 21:15:04,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:15:04,032 INFO L93 Difference]: Finished difference Result 2186 states and 3099 transitions. [2019-10-13 21:15:04,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-13 21:15:04,033 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2019-10-13 21:15:04,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:15:04,041 INFO L225 Difference]: With dead ends: 2186 [2019-10-13 21:15:04,041 INFO L226 Difference]: Without dead ends: 1143 [2019-10-13 21:15:04,046 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 454 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=164, Invalid=2286, Unknown=0, NotChecked=0, Total=2450 [2019-10-13 21:15:04,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2019-10-13 21:15:04,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1143. [2019-10-13 21:15:04,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2019-10-13 21:15:04,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1605 transitions. [2019-10-13 21:15:04,126 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1605 transitions. Word has length 232 [2019-10-13 21:15:04,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:15:04,127 INFO L462 AbstractCegarLoop]: Abstraction has 1143 states and 1605 transitions. [2019-10-13 21:15:04,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:15:04,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1605 transitions. [2019-10-13 21:15:04,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-13 21:15:04,133 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:15:04,134 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:15:04,343 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:15:04,344 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:15:04,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:15:04,344 INFO L82 PathProgramCache]: Analyzing trace with hash 194006015, now seen corresponding path program 1 times [2019-10-13 21:15:04,345 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:15:04,347 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971581578] [2019-10-13 21:15:04,347 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:15:04,347 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:15:04,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:15:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:15:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-13 21:15:05,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971581578] [2019-10-13 21:15:05,465 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:15:05,465 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-13 21:15:05,465 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878687718] [2019-10-13 21:15:05,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-13 21:15:05,466 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:15:05,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-13 21:15:05,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2019-10-13 21:15:05,469 INFO L87 Difference]: Start difference. First operand 1143 states and 1605 transitions. Second operand 28 states.