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 0.1.24-13a467a-m [2019-10-15 01:13:39,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:13:39,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:13:39,699 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:13:39,700 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:13:39,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:13:39,703 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:13:39,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:13:39,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:13:39,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:13:39,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:13:39,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:13:39,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:13:39,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:13:39,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:13:39,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:13:39,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:13:39,726 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:13:39,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:13:39,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:13:39,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:13:39,736 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:13:39,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:13:39,738 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:13:39,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:13:39,740 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:13:39,740 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:13:39,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:13:39,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:13:39,742 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:13:39,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:13:39,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:13:39,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:13:39,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:13:39,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:13:39,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:13:39,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:13:39,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:13:39,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:13:39,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:13:39,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:13:39,748 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 [2019-10-15 01:13:39,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:13:39,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:13:39,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:13:39,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:13:39,764 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:13:39,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:13:39,764 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:13:39,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:13:39,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:13:39,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:13:39,765 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:13:39,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:13:39,765 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:13:39,765 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:13:39,766 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:13:39,766 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:13:39,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:13:39,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:13:39,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:13:39,767 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:13:39,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:13:39,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:13:39,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:13:39,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:13:39,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:13:39,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:13:39,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:13:39,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:13:39,769 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 [2019-10-15 01:13:40,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:13:40,051 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:13:40,055 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:13:40,056 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:13:40,056 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:13:40,057 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_productSimulator.cil.c [2019-10-15 01:13:40,129 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176782b8f/ef78dd88d47645688f453b5416e9b878/FLAG11ff206f1 [2019-10-15 01:13:40,830 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:13:40,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_productSimulator.cil.c [2019-10-15 01:13:40,855 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176782b8f/ef78dd88d47645688f453b5416e9b878/FLAG11ff206f1 [2019-10-15 01:13:40,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176782b8f/ef78dd88d47645688f453b5416e9b878 [2019-10-15 01:13:40,977 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:13:40,979 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:13:40,980 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:13:40,980 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:13:40,982 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:13:40,983 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:13:40" (1/1) ... [2019-10-15 01:13:40,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a023e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:40, skipping insertion in model container [2019-10-15 01:13:40,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:13:40" (1/1) ... [2019-10-15 01:13:40,991 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:13:41,057 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:13:41,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:13:41,840 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:13:42,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:13:42,221 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:13:42,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42 WrapperNode [2019-10-15 01:13:42,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:13:42,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:13:42,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:13:42,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:13:42,236 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42" (1/1) ... [2019-10-15 01:13:42,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42" (1/1) ... [2019-10-15 01:13:42,286 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42" (1/1) ... [2019-10-15 01:13:42,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42" (1/1) ... [2019-10-15 01:13:42,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42" (1/1) ... [2019-10-15 01:13:42,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42" (1/1) ... [2019-10-15 01:13:42,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42" (1/1) ... [2019-10-15 01:13:42,455 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:13:42,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:13:42,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:13:42,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:13:42,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42" (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 [2019-10-15 01:13:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:13:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:13:42,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:13:42,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 01:13:42,530 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:13:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 01:13:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 01:13:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 01:13:42,531 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 01:13:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 01:13:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 01:13:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 01:13:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 01:13:42,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 01:13:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 01:13:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 01:13:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 01:13:42,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 01:13:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 01:13:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 01:13:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 01:13:42,534 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 01:13:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 01:13:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 01:13:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 01:13:42,535 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 01:13:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 01:13:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 01:13:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 01:13:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 01:13:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 01:13:42,536 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 01:13:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 01:13:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 01:13:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 01:13:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 01:13:42,537 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 01:13:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 01:13:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 01:13:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 01:13:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 01:13:42,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 01:13:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 01:13:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 01:13:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 01:13:42,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 01:13:42,540 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 01:13:42,540 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 01:13:42,540 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 01:13:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 01:13:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 01:13:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 01:13:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 01:13:42,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 01:13:42,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 01:13:42,542 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 01:13:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 01:13:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 01:13:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 01:13:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 01:13:42,566 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 01:13:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 01:13:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 01:13:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 01:13:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 01:13:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 01:13:42,567 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 01:13:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 01:13:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 01:13:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 01:13:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 01:13:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 01:13:42,568 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 01:13:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 01:13:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 01:13:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 01:13:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 01:13:42,569 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 01:13:42,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 01:13:42,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 01:13:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:13:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:13:42,572 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 01:13:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 01:13:42,573 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 01:13:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 01:13:42,575 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 01:13:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 01:13:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 01:13:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 01:13:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 01:13:42,577 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 01:13:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 01:13:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 01:13:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:13:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:13:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:13:42,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:13:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:13:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:13:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:13:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 01:13:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 01:13:42,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 01:13:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 01:13:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 01:13:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 01:13:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 01:13:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 01:13:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 01:13:42,580 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 01:13:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 01:13:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 01:13:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 01:13:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 01:13:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 01:13:42,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 01:13:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 01:13:42,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 01:13:42,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 01:13:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 01:13:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 01:13:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 01:13:42,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 01:13:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 01:13:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 01:13:42,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 01:13:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 01:13:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 01:13:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 01:13:42,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:13:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:13:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:13:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:13:42,590 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 01:13:42,591 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:13:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:13:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:13:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 01:13:42,595 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 01:13:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 01:13:42,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:13:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 01:13:42,597 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 01:13:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 01:13:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 01:13:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 01:13:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 01:13:42,604 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 01:13:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 01:13:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 01:13:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 01:13:42,605 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 01:13:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:13:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:13:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 01:13:42,606 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 01:13:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 01:13:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 01:13:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 01:13:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 01:13:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 01:13:42,607 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 01:13:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 01:13:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 01:13:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 01:13:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 01:13:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 01:13:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 01:13:42,608 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 01:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 01:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 01:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 01:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 01:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 01:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 01:13:42,609 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 01:13:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 01:13:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 01:13:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 01:13:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 01:13:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 01:13:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 01:13:42,610 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 01:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 01:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 01:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 01:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 01:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 01:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 01:13:42,611 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 01:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 01:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 01:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 01:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 01:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 01:13:42,612 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 01:13:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 01:13:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 01:13:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 01:13:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 01:13:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 01:13:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 01:13:42,613 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 01:13:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 01:13:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 01:13:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 01:13:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 01:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 01:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 01:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 01:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 01:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 01:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 01:13:42,616 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 01:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 01:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 01:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 01:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 01:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 01:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 01:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 01:13:42,617 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 01:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 01:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 01:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 01:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 01:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 01:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 01:13:42,618 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 01:13:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 01:13:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 01:13:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 01:13:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 01:13:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 01:13:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 01:13:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 01:13:42,619 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 01:13:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:13:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:13:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:13:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 01:13:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 01:13:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 01:13:42,620 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 01:13:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:13:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:13:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 01:13:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 01:13:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 01:13:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 01:13:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 01:13:42,621 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 01:13:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 01:13:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 01:13:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:13:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:13:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:13:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:13:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:13:42,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:13:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:13:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:13:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:13:42,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:13:42,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:13:42,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 01:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 01:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 01:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 01:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 01:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 01:13:42,633 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 01:13:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 01:13:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 01:13:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:13:42,634 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 01:13:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:13:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:13:42,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:13:44,976 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:13:44,976 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 01:13:44,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:13:44 BoogieIcfgContainer [2019-10-15 01:13:44,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:13:44,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:13:44,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:13:44,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:13:44,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:13:40" (1/3) ... [2019-10-15 01:13:44,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273be705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:13:44, skipping insertion in model container [2019-10-15 01:13:44,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:42" (2/3) ... [2019-10-15 01:13:44,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273be705 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:13:44, skipping insertion in model container [2019-10-15 01:13:44,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:13:44" (3/3) ... [2019-10-15 01:13:44,986 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_productSimulator.cil.c [2019-10-15 01:13:44,997 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:13:45,006 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:13:45,018 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:13:45,069 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:13:45,069 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:13:45,070 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:13:45,070 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:13:45,070 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:13:45,070 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:13:45,070 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:13:45,070 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:13:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states. [2019-10-15 01:13:45,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-15 01:13:45,146 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:45,148 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] [2019-10-15 01:13:45,150 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:45,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:45,156 INFO L82 PathProgramCache]: Analyzing trace with hash 927627647, now seen corresponding path program 1 times [2019-10-15 01:13:45,165 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:45,165 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962351212] [2019-10-15 01:13:45,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:45,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:45,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-15 01:13:45,884 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962351212] [2019-10-15 01:13:45,885 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:45,886 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:13:45,886 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686171345] [2019-10-15 01:13:45,891 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:13:45,892 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:45,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:13:45,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:13:45,909 INFO L87 Difference]: Start difference. First operand 814 states. Second operand 6 states. [2019-10-15 01:13:46,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:46,181 INFO L93 Difference]: Finished difference Result 1546 states and 2137 transitions. [2019-10-15 01:13:46,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:13:46,183 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 170 [2019-10-15 01:13:46,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:46,218 INFO L225 Difference]: With dead ends: 1546 [2019-10-15 01:13:46,218 INFO L226 Difference]: Without dead ends: 785 [2019-10-15 01:13:46,231 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 [2019-10-15 01:13:46,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2019-10-15 01:13:46,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2019-10-15 01:13:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-10-15 01:13:46,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1069 transitions. [2019-10-15 01:13:46,356 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1069 transitions. Word has length 170 [2019-10-15 01:13:46,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:46,358 INFO L462 AbstractCegarLoop]: Abstraction has 785 states and 1069 transitions. [2019-10-15 01:13:46,358 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:13:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1069 transitions. [2019-10-15 01:13:46,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-15 01:13:46,367 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:46,368 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] [2019-10-15 01:13:46,368 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:46,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:46,370 INFO L82 PathProgramCache]: Analyzing trace with hash 974012359, now seen corresponding path program 1 times [2019-10-15 01:13:46,370 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:46,370 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753398536] [2019-10-15 01:13:46,370 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:46,370 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:46,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-15 01:13:46,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753398536] [2019-10-15 01:13:46,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:46,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:13:46,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754360221] [2019-10-15 01:13:46,713 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:13:46,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:46,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:13:46,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:13:46,714 INFO L87 Difference]: Start difference. First operand 785 states and 1069 transitions. Second operand 4 states. [2019-10-15 01:13:47,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:47,606 INFO L93 Difference]: Finished difference Result 1533 states and 2123 transitions. [2019-10-15 01:13:47,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:13:47,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 176 [2019-10-15 01:13:47,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:47,613 INFO L225 Difference]: With dead ends: 1533 [2019-10-15 01:13:47,613 INFO L226 Difference]: Without dead ends: 784 [2019-10-15 01:13:47,616 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 [2019-10-15 01:13:47,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2019-10-15 01:13:47,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2019-10-15 01:13:47,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-10-15 01:13:47,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1059 transitions. [2019-10-15 01:13:47,676 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1059 transitions. Word has length 176 [2019-10-15 01:13:47,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:47,677 INFO L462 AbstractCegarLoop]: Abstraction has 784 states and 1059 transitions. [2019-10-15 01:13:47,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:13:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1059 transitions. [2019-10-15 01:13:47,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 01:13:47,682 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:47,682 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] [2019-10-15 01:13:47,682 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:47,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:47,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1779507957, now seen corresponding path program 1 times [2019-10-15 01:13:47,683 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:47,683 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188291279] [2019-10-15 01:13:47,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:47,683 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:47,684 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:47,823 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-15 01:13:47,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188291279] [2019-10-15 01:13:47,824 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:47,824 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:13:47,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278518555] [2019-10-15 01:13:47,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:13:47,825 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:47,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:13:47,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:47,826 INFO L87 Difference]: Start difference. First operand 784 states and 1059 transitions. Second operand 3 states. [2019-10-15 01:13:47,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:47,986 INFO L93 Difference]: Finished difference Result 1526 states and 2082 transitions. [2019-10-15 01:13:47,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:13:47,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-15 01:13:47,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:47,995 INFO L225 Difference]: With dead ends: 1526 [2019-10-15 01:13:47,996 INFO L226 Difference]: Without dead ends: 783 [2019-10-15 01:13:47,999 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 [2019-10-15 01:13:48,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-10-15 01:13:48,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2019-10-15 01:13:48,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 783 states. [2019-10-15 01:13:48,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1055 transitions. [2019-10-15 01:13:48,051 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1055 transitions. Word has length 194 [2019-10-15 01:13:48,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:48,052 INFO L462 AbstractCegarLoop]: Abstraction has 783 states and 1055 transitions. [2019-10-15 01:13:48,052 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:13:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1055 transitions. [2019-10-15 01:13:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-15 01:13:48,056 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:48,056 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] [2019-10-15 01:13:48,056 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:48,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:48,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1678629291, now seen corresponding path program 1 times [2019-10-15 01:13:48,057 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:48,057 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732723730] [2019-10-15 01:13:48,058 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:48,058 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:48,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:48,280 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-15 01:13:48,280 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732723730] [2019-10-15 01:13:48,281 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:48,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:13:48,281 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054725148] [2019-10-15 01:13:48,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:13:48,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:48,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:13:48,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:13:48,283 INFO L87 Difference]: Start difference. First operand 783 states and 1055 transitions. Second operand 4 states. [2019-10-15 01:13:49,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:49,019 INFO L93 Difference]: Finished difference Result 1497 states and 2028 transitions. [2019-10-15 01:13:49,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:13:49,020 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2019-10-15 01:13:49,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:49,028 INFO L225 Difference]: With dead ends: 1497 [2019-10-15 01:13:49,029 INFO L226 Difference]: Without dead ends: 780 [2019-10-15 01:13:49,032 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 [2019-10-15 01:13:49,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2019-10-15 01:13:49,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 780. [2019-10-15 01:13:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 780 states. [2019-10-15 01:13:49,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1038 transitions. [2019-10-15 01:13:49,072 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1038 transitions. Word has length 195 [2019-10-15 01:13:49,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:49,072 INFO L462 AbstractCegarLoop]: Abstraction has 780 states and 1038 transitions. [2019-10-15 01:13:49,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:13:49,073 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1038 transitions. [2019-10-15 01:13:49,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-15 01:13:49,148 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:49,148 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] [2019-10-15 01:13:49,148 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:49,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:49,149 INFO L82 PathProgramCache]: Analyzing trace with hash 376659564, now seen corresponding path program 1 times [2019-10-15 01:13:49,150 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:49,151 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790273239] [2019-10-15 01:13:49,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:49,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:49,151 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-15 01:13:49,323 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790273239] [2019-10-15 01:13:49,323 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:49,324 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:13:49,324 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559587412] [2019-10-15 01:13:49,324 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:13:49,325 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:49,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:13:49,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:49,325 INFO L87 Difference]: Start difference. First operand 780 states and 1038 transitions. Second operand 3 states. [2019-10-15 01:13:49,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:49,371 INFO L93 Difference]: Finished difference Result 1213 states and 1595 transitions. [2019-10-15 01:13:49,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:13:49,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-10-15 01:13:49,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:49,378 INFO L225 Difference]: With dead ends: 1213 [2019-10-15 01:13:49,378 INFO L226 Difference]: Without dead ends: 783 [2019-10-15 01:13:49,380 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 [2019-10-15 01:13:49,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-10-15 01:13:49,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 782. [2019-10-15 01:13:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2019-10-15 01:13:49,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1040 transitions. [2019-10-15 01:13:49,423 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1040 transitions. Word has length 222 [2019-10-15 01:13:49,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:49,424 INFO L462 AbstractCegarLoop]: Abstraction has 782 states and 1040 transitions. [2019-10-15 01:13:49,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:13:49,424 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1040 transitions. [2019-10-15 01:13:49,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2019-10-15 01:13:49,431 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:49,431 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] [2019-10-15 01:13:49,432 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:49,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:49,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1254649256, now seen corresponding path program 1 times [2019-10-15 01:13:49,433 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:49,433 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350528158] [2019-10-15 01:13:49,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:49,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:49,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:49,680 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-15 01:13:49,680 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350528158] [2019-10-15 01:13:49,682 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:49,682 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:13:49,682 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235883063] [2019-10-15 01:13:49,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:13:49,683 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:49,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:13:49,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:49,683 INFO L87 Difference]: Start difference. First operand 782 states and 1040 transitions. Second operand 3 states. [2019-10-15 01:13:49,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:49,727 INFO L93 Difference]: Finished difference Result 1502 states and 2036 transitions. [2019-10-15 01:13:49,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:13:49,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 230 [2019-10-15 01:13:49,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:49,735 INFO L225 Difference]: With dead ends: 1502 [2019-10-15 01:13:49,735 INFO L226 Difference]: Without dead ends: 837 [2019-10-15 01:13:49,738 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 [2019-10-15 01:13:49,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2019-10-15 01:13:49,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 836. [2019-10-15 01:13:49,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 836 states. [2019-10-15 01:13:49,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 836 states and 1128 transitions. [2019-10-15 01:13:49,789 INFO L78 Accepts]: Start accepts. Automaton has 836 states and 1128 transitions. Word has length 230 [2019-10-15 01:13:49,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:49,792 INFO L462 AbstractCegarLoop]: Abstraction has 836 states and 1128 transitions. [2019-10-15 01:13:49,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:13:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1128 transitions. [2019-10-15 01:13:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-15 01:13:49,796 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:49,797 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] [2019-10-15 01:13:49,797 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:49,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:49,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1110363419, now seen corresponding path program 1 times [2019-10-15 01:13:49,798 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:49,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895426589] [2019-10-15 01:13:49,798 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:49,798 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:49,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:49,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:50,897 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-15 01:13:50,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895426589] [2019-10-15 01:13:50,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:50,898 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2019-10-15 01:13:50,898 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188306348] [2019-10-15 01:13:50,899 INFO L442 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-10-15 01:13:50,899 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:50,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-10-15 01:13:50,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1110, Unknown=0, NotChecked=0, Total=1190 [2019-10-15 01:13:50,900 INFO L87 Difference]: Start difference. First operand 836 states and 1128 transitions. Second operand 35 states. [2019-10-15 01:13:59,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:59,082 INFO L93 Difference]: Finished difference Result 2351 states and 3233 transitions. [2019-10-15 01:13:59,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-15 01:13:59,083 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 231 [2019-10-15 01:13:59,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:59,095 INFO L225 Difference]: With dead ends: 2351 [2019-10-15 01:13:59,096 INFO L226 Difference]: Without dead ends: 1596 [2019-10-15 01:13:59,100 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 616 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=288, Invalid=4002, Unknown=0, NotChecked=0, Total=4290 [2019-10-15 01:13:59,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2019-10-15 01:13:59,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 1139. [2019-10-15 01:13:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1139 states. [2019-10-15 01:13:59,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1600 transitions. [2019-10-15 01:13:59,173 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1600 transitions. Word has length 231 [2019-10-15 01:13:59,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:59,174 INFO L462 AbstractCegarLoop]: Abstraction has 1139 states and 1600 transitions. [2019-10-15 01:13:59,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-10-15 01:13:59,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1600 transitions. [2019-10-15 01:13:59,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-15 01:13:59,180 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:59,181 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] [2019-10-15 01:13:59,181 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:59,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:59,181 INFO L82 PathProgramCache]: Analyzing trace with hash -590904633, now seen corresponding path program 1 times [2019-10-15 01:13:59,182 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:59,182 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991843438] [2019-10-15 01:13:59,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:59,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:59,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:14:00,137 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 01:14:00,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991843438] [2019-10-15 01:14:00,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594063173] [2019-10-15 01:14:00,138 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 [2019-10-15 01:14:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:14:00,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 3304 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-15 01:14:00,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:14:01,308 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-15 01:14:01,309 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:14:01,986 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 01:14:02,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 01:14:02,225 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-15 01:14:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-15 01:14:02,355 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-10-15 01:14:02,355 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [35, 9] total 47 [2019-10-15 01:14:02,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737879839] [2019-10-15 01:14:02,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-15 01:14:02,356 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:14:02,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-15 01:14:02,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=2025, Unknown=0, NotChecked=0, Total=2162 [2019-10-15 01:14:02,358 INFO L87 Difference]: Start difference. First operand 1139 states and 1600 transitions. Second operand 9 states. [2019-10-15 01:14:04,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:14:04,294 INFO L93 Difference]: Finished difference Result 2186 states and 3099 transitions. [2019-10-15 01:14:04,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-15 01:14:04,295 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 232 [2019-10-15 01:14:04,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:14:04,301 INFO L225 Difference]: With dead ends: 2186 [2019-10-15 01:14:04,301 INFO L226 Difference]: Without dead ends: 1143 [2019-10-15 01:14:04,306 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 506 GetRequests, 454 SyntacticMatches, 4 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=164, Invalid=2286, Unknown=0, NotChecked=0, Total=2450 [2019-10-15 01:14:04,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2019-10-15 01:14:04,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 1143. [2019-10-15 01:14:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1143 states. [2019-10-15 01:14:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 1143 states and 1605 transitions. [2019-10-15 01:14:04,376 INFO L78 Accepts]: Start accepts. Automaton has 1143 states and 1605 transitions. Word has length 232 [2019-10-15 01:14:04,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:14:04,376 INFO L462 AbstractCegarLoop]: Abstraction has 1143 states and 1605 transitions. [2019-10-15 01:14:04,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-15 01:14:04,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1605 transitions. [2019-10-15 01:14:04,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-15 01:14:04,383 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:14:04,383 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] [2019-10-15 01:14:04,602 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:14:04,603 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:14:04,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:14:04,603 INFO L82 PathProgramCache]: Analyzing trace with hash 194006015, now seen corresponding path program 1 times [2019-10-15 01:14:04,604 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:14:04,604 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808410610] [2019-10-15 01:14:04,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:14:04,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:14:04,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:14:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:14:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-10-15 01:14:05,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808410610] [2019-10-15 01:14:05,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:14:05,292 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-15 01:14:05,292 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318975963] [2019-10-15 01:14:05,293 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-15 01:14:05,293 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:14:05,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-15 01:14:05,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=693, Unknown=0, NotChecked=0, Total=756 [2019-10-15 01:14:05,294 INFO L87 Difference]: Start difference. First operand 1143 states and 1605 transitions. Second operand 28 states.