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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:13:50,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:13:50,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:13:50,474 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:13:50,474 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:13:50,476 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:13:50,478 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:13:50,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:13:50,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:13:50,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:13:50,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:13:50,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:13:50,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:13:50,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:13:50,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:13:50,497 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:13:50,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:13:50,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:13:50,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:13:50,503 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:13:50,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:13:50,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:13:50,506 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:13:50,507 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:13:50,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:13:50,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:13:50,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:13:50,512 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:13:50,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:13:50,516 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:13:50,516 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:13:50,517 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:13:50,518 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:13:50,519 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:13:50,520 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:13:50,520 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:13:50,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:13:50,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:13:50,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:13:50,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:13:50,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:13:50,526 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 03:13:50,555 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:13:50,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:13:50,557 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:13:50,557 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:13:50,557 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:13:50,557 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:13:50,558 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:13:50,558 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:13:50,558 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:13:50,558 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:13:50,559 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:13:50,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:13:50,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:13:50,560 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:13:50,560 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:13:50,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:13:50,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:13:50,561 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:13:50,561 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:13:50,561 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:13:50,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:13:50,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:13:50,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:13:50,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:13:50,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:13:50,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:13:50,563 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:13:50,563 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:13:50,564 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:13:50,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:13:50,851 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:13:50,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:13:50,856 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:13:50,857 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:13:50,858 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product13.cil.c [2019-10-15 03:13:50,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b64adac85/0ec004b454404268a9cee7fed5df95da/FLAG65495c46f [2019-10-15 03:13:51,527 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:13:51,527 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product13.cil.c [2019-10-15 03:13:51,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b64adac85/0ec004b454404268a9cee7fed5df95da/FLAG65495c46f [2019-10-15 03:13:51,735 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b64adac85/0ec004b454404268a9cee7fed5df95da [2019-10-15 03:13:51,748 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:13:51,750 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:13:51,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:51,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:13:51,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:13:51,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:51" (1/1) ... [2019-10-15 03:13:51,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c22b3c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:51, skipping insertion in model container [2019-10-15 03:13:51,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:51" (1/1) ... [2019-10-15 03:13:51,766 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:13:51,836 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:13:52,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:52,693 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:13:52,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:52,886 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:13:52,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52 WrapperNode [2019-10-15 03:13:52,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:52,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:13:52,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:13:52,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:13:52,905 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52" (1/1) ... [2019-10-15 03:13:52,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52" (1/1) ... [2019-10-15 03:13:52,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52" (1/1) ... [2019-10-15 03:13:52,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52" (1/1) ... [2019-10-15 03:13:53,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52" (1/1) ... [2019-10-15 03:13:53,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52" (1/1) ... [2019-10-15 03:13:53,062 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52" (1/1) ... [2019-10-15 03:13:53,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:13:53,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:13:53,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:13:53,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:13:53,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52" (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 03:13:53,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:13:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:13:53,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:13:53,158 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:13:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:13:53,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:13:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:13:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:13:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:13:53,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:13:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:13:53,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:13:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:53,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:13:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:13:53,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:13:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:13:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:13:53,165 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:13:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:13:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:13:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:13:53,166 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:13:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:13:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:13:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:13:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:13:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:13:53,167 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:13:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:13:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:13:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:13:53,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:13:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:13:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:13:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:13:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:13:53,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:13:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:13:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:13:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:13:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:13:53,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:13:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:13:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:13:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:13:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:13:53,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:13:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:13:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:13:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:13:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:13:53,172 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:13:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:13:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:13:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:13:53,173 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:13:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:13:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:13:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:13:53,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:13:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:13:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:13:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:13:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:13:53,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:13:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:13:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:13:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:13:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:13:53,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:53,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:13:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:13:53,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:13:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:13:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:13:53,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:13:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:13:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:13:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:13:53,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:13:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:13:53,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:13:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:13:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:13:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:13:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:13:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:13:53,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:13:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:13:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:13:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:13:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:13:53,183 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:13:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:13:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:13:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:13:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:13:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:13:53,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:13:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:13:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:13:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:13:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:13:53,185 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:13:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:13:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:13:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:13:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:13:53,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:13:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:13:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:13:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:13:53,187 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:13:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:13:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:13:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:13:53,188 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:13:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:13:53,189 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:13:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:13:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:13:53,190 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:13:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:13:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:13:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:13:53,191 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:13:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:13:53,192 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:13:53,193 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:13:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:13:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:13:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:13:53,196 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:13:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:13:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:13:53,197 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:13:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:13:53,198 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:13:53,199 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:13:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:13:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:13:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:13:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:13:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:13:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:13:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:13:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:13:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:13:53,207 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:13:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:13:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:13:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:13:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:13:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:13:53,208 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:13:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:13:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:13:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:13:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:13:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:13:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:13:53,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:13:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:13:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:13:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:13:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:13:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:13:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:13:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:13:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:13:53,210 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:13:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:13:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:13:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:13:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:13:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:13:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:13:53,211 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:13:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:13:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:13:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:13:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:13:53,212 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:13:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:13:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:13:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:13:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:13:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:13:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:13:53,213 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:13:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:13:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:13:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:13:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:13:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:13:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:53,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:13:53,215 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:13:53,216 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:13:53,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:13:53,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:13:57,675 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:13:57,676 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:13:57,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:57 BoogieIcfgContainer [2019-10-15 03:13:57,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:13:57,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:13:57,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:13:57,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:13:57,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:13:51" (1/3) ... [2019-10-15 03:13:57,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d9a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:57, skipping insertion in model container [2019-10-15 03:13:57,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:52" (2/3) ... [2019-10-15 03:13:57,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d9a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:57, skipping insertion in model container [2019-10-15 03:13:57,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:57" (3/3) ... [2019-10-15 03:13:57,686 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product13.cil.c [2019-10-15 03:13:57,697 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:13:57,708 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:13:57,720 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:13:57,752 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:13:57,752 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:13:57,752 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:13:57,752 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:13:57,752 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:13:57,753 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:13:57,753 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:13:57,753 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:13:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2019-10-15 03:13:57,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-15 03:13:57,800 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:57,802 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:13:57,804 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:57,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:57,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1346398207, now seen corresponding path program 1 times [2019-10-15 03:13:57,822 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:57,822 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732717993] [2019-10-15 03:13:57,822 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:57,823 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:57,823 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:13:58,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732717993] [2019-10-15 03:13:58,552 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:58,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:13:58,553 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009154726] [2019-10-15 03:13:58,560 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:13:58,560 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:58,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:13:58,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:13:58,578 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 2 states. [2019-10-15 03:13:58,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:58,659 INFO L93 Difference]: Finished difference Result 453 states and 538 transitions. [2019-10-15 03:13:58,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:13:58,661 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-10-15 03:13:58,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:58,680 INFO L225 Difference]: With dead ends: 453 [2019-10-15 03:13:58,680 INFO L226 Difference]: Without dead ends: 298 [2019-10-15 03:13:58,686 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:13:58,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-10-15 03:13:58,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2019-10-15 03:13:58,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2019-10-15 03:13:58,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 352 transitions. [2019-10-15 03:13:58,792 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 352 transitions. Word has length 134 [2019-10-15 03:13:58,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:58,795 INFO L462 AbstractCegarLoop]: Abstraction has 298 states and 352 transitions. [2019-10-15 03:13:58,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:13:58,795 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 352 transitions. [2019-10-15 03:13:58,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-15 03:13:58,800 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:58,800 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:13:58,801 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:58,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:58,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1891350600, now seen corresponding path program 1 times [2019-10-15 03:13:58,801 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:58,802 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614465890] [2019-10-15 03:13:58,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:58,802 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:58,802 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:59,075 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:13:59,075 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614465890] [2019-10-15 03:13:59,076 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:59,076 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:59,076 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226030366] [2019-10-15 03:13:59,082 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:59,082 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:59,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:59,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:59,083 INFO L87 Difference]: Start difference. First operand 298 states and 352 transitions. Second operand 3 states. [2019-10-15 03:13:59,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:59,144 INFO L93 Difference]: Finished difference Result 438 states and 506 transitions. [2019-10-15 03:13:59,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:59,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-15 03:13:59,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:59,156 INFO L225 Difference]: With dead ends: 438 [2019-10-15 03:13:59,156 INFO L226 Difference]: Without dead ends: 300 [2019-10-15 03:13:59,158 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 03:13:59,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2019-10-15 03:13:59,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 300. [2019-10-15 03:13:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2019-10-15 03:13:59,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 354 transitions. [2019-10-15 03:13:59,210 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 354 transitions. Word has length 135 [2019-10-15 03:13:59,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:59,211 INFO L462 AbstractCegarLoop]: Abstraction has 300 states and 354 transitions. [2019-10-15 03:13:59,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 354 transitions. [2019-10-15 03:13:59,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-10-15 03:13:59,218 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:59,219 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:13:59,219 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:59,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:59,219 INFO L82 PathProgramCache]: Analyzing trace with hash -356204297, now seen corresponding path program 1 times [2019-10-15 03:13:59,220 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:59,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77728517] [2019-10-15 03:13:59,220 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,220 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:59,497 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:13:59,497 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77728517] [2019-10-15 03:13:59,497 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:59,498 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:59,498 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307214008] [2019-10-15 03:13:59,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:59,499 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:59,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:59,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:59,499 INFO L87 Difference]: Start difference. First operand 300 states and 354 transitions. Second operand 3 states. [2019-10-15 03:13:59,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:59,532 INFO L93 Difference]: Finished difference Result 580 states and 712 transitions. [2019-10-15 03:13:59,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:59,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 140 [2019-10-15 03:13:59,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:59,536 INFO L225 Difference]: With dead ends: 580 [2019-10-15 03:13:59,536 INFO L226 Difference]: Without dead ends: 338 [2019-10-15 03:13:59,538 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 03:13:59,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2019-10-15 03:13:59,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 337. [2019-10-15 03:13:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2019-10-15 03:13:59,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 419 transitions. [2019-10-15 03:13:59,562 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 419 transitions. Word has length 140 [2019-10-15 03:13:59,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:59,563 INFO L462 AbstractCegarLoop]: Abstraction has 337 states and 419 transitions. [2019-10-15 03:13:59,563 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 419 transitions. [2019-10-15 03:13:59,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-15 03:13:59,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:59,566 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:13:59,566 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:59,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:59,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1806664441, now seen corresponding path program 1 times [2019-10-15 03:13:59,567 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:59,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710091439] [2019-10-15 03:13:59,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:14:00,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710091439] [2019-10-15 03:14:00,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:00,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-15 03:14:00,202 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906859484] [2019-10-15 03:14:00,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-15 03:14:00,204 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:00,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-15 03:14:00,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2019-10-15 03:14:00,205 INFO L87 Difference]: Start difference. First operand 337 states and 419 transitions. Second operand 23 states. [2019-10-15 03:14:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:09,088 INFO L93 Difference]: Finished difference Result 766 states and 903 transitions. [2019-10-15 03:14:09,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-15 03:14:09,089 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 141 [2019-10-15 03:14:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:09,097 INFO L225 Difference]: With dead ends: 766 [2019-10-15 03:14:09,098 INFO L226 Difference]: Without dead ends: 590 [2019-10-15 03:14:09,102 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=351, Invalid=2405, Unknown=0, NotChecked=0, Total=2756 [2019-10-15 03:14:09,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-10-15 03:14:09,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 580. [2019-10-15 03:14:09,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2019-10-15 03:14:09,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 683 transitions. [2019-10-15 03:14:09,173 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 683 transitions. Word has length 141 [2019-10-15 03:14:09,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:09,175 INFO L462 AbstractCegarLoop]: Abstraction has 580 states and 683 transitions. [2019-10-15 03:14:09,175 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-15 03:14:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 683 transitions. [2019-10-15 03:14:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-15 03:14:09,179 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:09,180 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:14:09,180 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:09,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:09,181 INFO L82 PathProgramCache]: Analyzing trace with hash 1014630789, now seen corresponding path program 1 times [2019-10-15 03:14:09,181 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:09,182 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549284043] [2019-10-15 03:14:09,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:09,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:09,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:09,382 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:14:09,382 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549284043] [2019-10-15 03:14:09,383 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031128903] [2019-10-15 03:14:09,383 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 03:14:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:09,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 2375 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:14:09,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:14:09,998 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:14:09,998 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:14:10,315 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:14:10,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [775169164] [2019-10-15 03:14:10,362 INFO L162 IcfgInterpreter]: Started Sifa with 136 locations of interest [2019-10-15 03:14:10,362 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:14:10,370 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:14:10,380 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:14:10,381 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs