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_spec0_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:06:03,157 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:06:03,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:06:03,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:06:03,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:06:03,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:06:03,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:06:03,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:06:03,202 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:06:03,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:06:03,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:06:03,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:06:03,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:06:03,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:06:03,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:06:03,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:06:03,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:06:03,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:06:03,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:06:03,226 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:06:03,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:06:03,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:06:03,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:06:03,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:06:03,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:06:03,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:06:03,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:06:03,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:06:03,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:06:03,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:06:03,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:06:03,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:06:03,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:06:03,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:06:03,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:06:03,251 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:06:03,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:06:03,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:06:03,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:06:03,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:06:03,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:06:03,256 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:06:03,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:06:03,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:06:03,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:06:03,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:06:03,295 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:06:03,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:06:03,295 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:06:03,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:06:03,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:06:03,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:06:03,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:06:03,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:06:03,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:06:03,299 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:06:03,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:06:03,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:06:03,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:06:03,300 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:06:03,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:06:03,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:06:03,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:06:03,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:06:03,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:06:03,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:06:03,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:06:03,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:06:03,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:06:03,302 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:06:03,303 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 [2019-10-13 23:06:03,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:06:03,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:06:03,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:06:03,669 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:06:03,669 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:06:03,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product26.cil.c [2019-10-13 23:06:03,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d3e5728/4dbd6f474cf74182abaa58bc1d0dabfc/FLAG52e59e451 [2019-10-13 23:06:04,351 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:06:04,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product26.cil.c [2019-10-13 23:06:04,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d3e5728/4dbd6f474cf74182abaa58bc1d0dabfc/FLAG52e59e451 [2019-10-13 23:06:04,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4d3e5728/4dbd6f474cf74182abaa58bc1d0dabfc [2019-10-13 23:06:04,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:06:04,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:06:04,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:06:04,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:06:04,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:06:04,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:06:04" (1/1) ... [2019-10-13 23:06:04,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b67f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:04, skipping insertion in model container [2019-10-13 23:06:04,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:06:04" (1/1) ... [2019-10-13 23:06:04,582 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:06:04,663 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:06:05,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:06:05,538 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:06:05,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:06:05,804 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:06:05,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05 WrapperNode [2019-10-13 23:06:05,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:06:05,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:06:05,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:06:05,806 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:06:05,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05" (1/1) ... [2019-10-13 23:06:05,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05" (1/1) ... [2019-10-13 23:06:05,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05" (1/1) ... [2019-10-13 23:06:05,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05" (1/1) ... [2019-10-13 23:06:05,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05" (1/1) ... [2019-10-13 23:06:05,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05" (1/1) ... [2019-10-13 23:06:05,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05" (1/1) ... [2019-10-13 23:06:06,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:06:06,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:06:06,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:06:06,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:06:06,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:06:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:06:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:06:06,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:06:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:06:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:06:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:06:06,107 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:06:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:06:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:06:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-13 23:06:06,108 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:06:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:06:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:06:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:06:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:06:06,109 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:06:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:06:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:06:06,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:06:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:06:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:06:06,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:06:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:06:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:06:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:06:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:06:06,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:06:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:06:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:06:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:06:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:06:06,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:06:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:06:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:06:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:06:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:06:06,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:06:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:06:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:06:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:06:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:06:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:06:06,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:06:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:06:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:06:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:06:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:06:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:06:06,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:06:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:06:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:06:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:06:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:06:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:06:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:06:06,117 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:06:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:06:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:06:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:06:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:06:06,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:06:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:06:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:06:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:06:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:06:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:06:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:06:06,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:06:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:06:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:06:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:06:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:06:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:06:06,120 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:06:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:06:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:06:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:06:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:06:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:06:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:06:06,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:06:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:06:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:06:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:06:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:06:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:06:06,122 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:06:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:06:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:06:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:06:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:06:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:06:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:06:06,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:06:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:06:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:06:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:06:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:06:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:06:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:06:06,124 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:06:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:06:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:06:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:06:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:06:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:06:06,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-13 23:06:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:06:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:06:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:06:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:06:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:06:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:06:06,126 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:06:06,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:06:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:06:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:06:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:06:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:06:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:06:06,127 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:06:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:06:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:06:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:06:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:06:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:06:06,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:06:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:06:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:06:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:06:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:06:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:06:06,129 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:06:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:06:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:06:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:06:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:06:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:06:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:06:06,130 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:06:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:06:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:06:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:06:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:06:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:06:06,131 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:06:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:06:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:06:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:06:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:06:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:06:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:06:06,132 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:06:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:06:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:06:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:06:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:06:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-13 23:06:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:06:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-13 23:06:06,133 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:06:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:06:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:06:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:06:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:06:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:06:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:06:06,134 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:06:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:06:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:06:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:06:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:06:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:06:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:06:06,135 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:06:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:06:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:06:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:06:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:06:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:06:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:06:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:06:06,136 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:06:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:06:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:06:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:06:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:06:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:06:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:06:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:06:06,137 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:06:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:06:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:06:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:06:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:06:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:06:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:06:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:06:06,138 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:06:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:06:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:06:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:06:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:06:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:06:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:06:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:06:06,139 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:06:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:06:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:06:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:06:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:06:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:06:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:06:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:06:06,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:06:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:06:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:06:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:06:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:06:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:06:06,141 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:06:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:06:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:06:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:06:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:06:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:06:06,142 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:06:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:06:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:06:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:06:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:06:06,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:06:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:06:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:06:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:06:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:06:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:06:06,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:06:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:06:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:06:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:06:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:06:06,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:06:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:06:06,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:06:10,783 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:06:10,783 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:06:10,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:06:10 BoogieIcfgContainer [2019-10-13 23:06:10,785 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:06:10,787 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:06:10,787 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:06:10,790 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:06:10,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:06:04" (1/3) ... [2019-10-13 23:06:10,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a1a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:06:10, skipping insertion in model container [2019-10-13 23:06:10,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:05" (2/3) ... [2019-10-13 23:06:10,792 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a1a68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:06:10, skipping insertion in model container [2019-10-13 23:06:10,792 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:06:10" (3/3) ... [2019-10-13 23:06:10,794 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product26.cil.c [2019-10-13 23:06:10,806 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:06:10,815 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:06:10,828 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:06:10,857 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:06:10,858 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:06:10,858 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:06:10,858 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:06:10,858 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:06:10,858 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:06:10,858 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:06:10,859 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:06:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states. [2019-10-13 23:06:10,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-13 23:06:10,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:10,908 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:06:10,910 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:10,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:10,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1874479211, now seen corresponding path program 1 times [2019-10-13 23:06:10,928 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:10,929 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623788441] [2019-10-13 23:06:10,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:10,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:10,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:06:11,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623788441] [2019-10-13 23:06:11,620 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:11,620 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:06:11,621 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897547682] [2019-10-13 23:06:11,629 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:06:11,630 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:11,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:06:11,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:06:11,647 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 2 states. [2019-10-13 23:06:11,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:11,734 INFO L93 Difference]: Finished difference Result 603 states and 719 transitions. [2019-10-13 23:06:11,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:06:11,737 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 165 [2019-10-13 23:06:11,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:11,773 INFO L225 Difference]: With dead ends: 603 [2019-10-13 23:06:11,774 INFO L226 Difference]: Without dead ends: 387 [2019-10-13 23:06:11,785 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 [2019-10-13 23:06:11,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-13 23:06:11,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2019-10-13 23:06:11,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2019-10-13 23:06:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 456 transitions. [2019-10-13 23:06:11,933 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 456 transitions. Word has length 165 [2019-10-13 23:06:11,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:11,936 INFO L462 AbstractCegarLoop]: Abstraction has 387 states and 456 transitions. [2019-10-13 23:06:11,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:06:11,937 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 456 transitions. [2019-10-13 23:06:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-13 23:06:11,950 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:11,950 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:06:11,951 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:11,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:11,951 INFO L82 PathProgramCache]: Analyzing trace with hash 390326315, now seen corresponding path program 1 times [2019-10-13 23:06:11,952 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:11,952 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703960701] [2019-10-13 23:06:11,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:11,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:11,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:06:12,341 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703960701] [2019-10-13 23:06:12,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:12,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:06:12,341 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904147764] [2019-10-13 23:06:12,345 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:06:12,346 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:12,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:06:12,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:06:12,347 INFO L87 Difference]: Start difference. First operand 387 states and 456 transitions. Second operand 3 states. [2019-10-13 23:06:12,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:12,424 INFO L93 Difference]: Finished difference Result 588 states and 685 transitions. [2019-10-13 23:06:12,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:06:12,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-10-13 23:06:12,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:12,437 INFO L225 Difference]: With dead ends: 588 [2019-10-13 23:06:12,439 INFO L226 Difference]: Without dead ends: 389 [2019-10-13 23:06:12,442 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:06:12,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-13 23:06:12,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2019-10-13 23:06:12,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-13 23:06:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 458 transitions. [2019-10-13 23:06:12,484 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 458 transitions. Word has length 166 [2019-10-13 23:06:12,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:12,486 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 458 transitions. [2019-10-13 23:06:12,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:06:12,486 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 458 transitions. [2019-10-13 23:06:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-13 23:06:12,496 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:12,498 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:06:12,498 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:12,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:12,499 INFO L82 PathProgramCache]: Analyzing trace with hash -2141486130, now seen corresponding path program 1 times [2019-10-13 23:06:12,499 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:12,500 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683983605] [2019-10-13 23:06:12,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:12,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:12,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:12,838 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:06:12,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683983605] [2019-10-13 23:06:12,839 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:12,840 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:06:12,840 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247365155] [2019-10-13 23:06:12,844 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:06:12,845 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:12,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:06:12,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:06:12,846 INFO L87 Difference]: Start difference. First operand 389 states and 458 transitions. Second operand 3 states. [2019-10-13 23:06:12,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:12,920 INFO L93 Difference]: Finished difference Result 764 states and 929 transitions. [2019-10-13 23:06:12,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:06:12,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-13 23:06:12,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:12,929 INFO L225 Difference]: With dead ends: 764 [2019-10-13 23:06:12,930 INFO L226 Difference]: Without dead ends: 433 [2019-10-13 23:06:12,932 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:06:12,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-10-13 23:06:12,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2019-10-13 23:06:12,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-10-13 23:06:12,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 532 transitions. [2019-10-13 23:06:12,976 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 532 transitions. Word has length 178 [2019-10-13 23:06:12,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:12,977 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 532 transitions. [2019-10-13 23:06:12,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:06:12,977 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 532 transitions. [2019-10-13 23:06:12,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-13 23:06:12,984 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:12,984 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:06:12,985 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:12,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:12,988 INFO L82 PathProgramCache]: Analyzing trace with hash -1592944077, now seen corresponding path program 1 times [2019-10-13 23:06:12,988 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:12,989 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801780363] [2019-10-13 23:06:12,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:12,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:12,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:06:13,933 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801780363] [2019-10-13 23:06:13,933 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:13,933 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-13 23:06:13,934 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672783778] [2019-10-13 23:06:13,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-13 23:06:13,935 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:13,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-13 23:06:13,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=685, Unknown=0, NotChecked=0, Total=756 [2019-10-13 23:06:13,937 INFO L87 Difference]: Start difference. First operand 432 states and 532 transitions. Second operand 28 states. [2019-10-13 23:06:23,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:23,517 INFO L93 Difference]: Finished difference Result 890 states and 1097 transitions. [2019-10-13 23:06:23,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-13 23:06:23,518 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 179 [2019-10-13 23:06:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:23,525 INFO L225 Difference]: With dead ends: 890 [2019-10-13 23:06:23,525 INFO L226 Difference]: Without dead ends: 701 [2019-10-13 23:06:23,527 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=170, Invalid=1900, Unknown=0, NotChecked=0, Total=2070 [2019-10-13 23:06:23,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2019-10-13 23:06:23,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 689. [2019-10-13 23:06:23,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2019-10-13 23:06:23,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 852 transitions. [2019-10-13 23:06:23,567 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 852 transitions. Word has length 179 [2019-10-13 23:06:23,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:23,568 INFO L462 AbstractCegarLoop]: Abstraction has 689 states and 852 transitions. [2019-10-13 23:06:23,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-13 23:06:23,569 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 852 transitions. [2019-10-13 23:06:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-13 23:06:23,573 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:23,573 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:06:23,574 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:23,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:23,574 INFO L82 PathProgramCache]: Analyzing trace with hash 649300421, now seen corresponding path program 1 times [2019-10-13 23:06:23,574 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:23,575 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389176679] [2019-10-13 23:06:23,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:23,575 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:23,575 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:06:23,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389176679] [2019-10-13 23:06:23,823 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:06:23,823 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 23:06:23,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859626192] [2019-10-13 23:06:23,825 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 23:06:23,825 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:06:23,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 23:06:23,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:06:23,827 INFO L87 Difference]: Start difference. First operand 689 states and 852 transitions. Second operand 10 states. [2019-10-13 23:06:23,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:06:23,903 INFO L93 Difference]: Finished difference Result 698 states and 863 transitions. [2019-10-13 23:06:23,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 23:06:23,904 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 183 [2019-10-13 23:06:23,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:06:23,995 INFO L225 Difference]: With dead ends: 698 [2019-10-13 23:06:23,996 INFO L226 Difference]: Without dead ends: 695 [2019-10-13 23:06:23,997 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-13 23:06:23,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2019-10-13 23:06:24,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 695. [2019-10-13 23:06:24,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2019-10-13 23:06:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 858 transitions. [2019-10-13 23:06:24,036 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 858 transitions. Word has length 183 [2019-10-13 23:06:24,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:06:24,038 INFO L462 AbstractCegarLoop]: Abstraction has 695 states and 858 transitions. [2019-10-13 23:06:24,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-13 23:06:24,038 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 858 transitions. [2019-10-13 23:06:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-13 23:06:24,042 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:06:24,042 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-13 23:06:24,043 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:06:24,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:06:24,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1003657644, now seen corresponding path program 1 times [2019-10-13 23:06:24,043 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:06:24,044 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114646606] [2019-10-13 23:06:24,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:24,044 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:06:24,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:06:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-13 23:06:25,373 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114646606] [2019-10-13 23:06:25,373 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [621781697] [2019-10-13 23:06:25,374 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:06:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:06:25,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 2878 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:06:25,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:06:26,141 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:06:26,141 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:06:26,440 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:06:26,440 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [782281986] [2019-10-13 23:06:26,475 INFO L162 IcfgInterpreter]: Started Sifa with 170 locations of interest [2019-10-13 23:06:26,476 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:06:26,488 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:06:26,509 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:06:26,510 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs