/usr/bin/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_spec9_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:27:42,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:27:42,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:27:42,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:27:42,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:27:42,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:27:42,064 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:27:42,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:27:42,079 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:27:42,082 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:27:42,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:27:42,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:27:42,086 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:27:42,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:27:42,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:27:42,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:27:42,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:27:42,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:27:42,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:27:42,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:27:42,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:27:42,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:27:42,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:27:42,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:27:42,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:27:42,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:27:42,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:27:42,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:27:42,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:27:42,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:27:42,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:27:42,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:27:42,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:27:42,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:27:42,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:27:42,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:27:42,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:27:42,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:27:42,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:27:42,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:27:42,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:27:42,113 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 [2019-11-07 04:27:42,126 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:27:42,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:27:42,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:27:42,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:27:42,128 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:27:42,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:27:42,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:27:42,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:27:42,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:27:42,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:27:42,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:27:42,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:27:42,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:27:42,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:27:42,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:27:42,130 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:27:42,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:27:42,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:27:42,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:27:42,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:27:42,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:27:42,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:27:42,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:27:42,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:27:42,132 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:27:42,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:27:42,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:27:42,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:27:42,133 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 [2019-11-07 04:27:42,423 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:27:42,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:27:42,442 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:27:42,444 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:27:42,444 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:27:42,445 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product33.cil.c [2019-11-07 04:27:42,507 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b022207a/3dabb01e722a4839aeb594a25505ccf9/FLAG0eb9eff8a [2019-11-07 04:27:43,069 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:27:43,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product33.cil.c [2019-11-07 04:27:43,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b022207a/3dabb01e722a4839aeb594a25505ccf9/FLAG0eb9eff8a [2019-11-07 04:27:43,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b022207a/3dabb01e722a4839aeb594a25505ccf9 [2019-11-07 04:27:43,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:27:43,350 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:27:43,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:27:43,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:27:43,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:27:43,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:27:43" (1/1) ... [2019-11-07 04:27:43,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3265302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:43, skipping insertion in model container [2019-11-07 04:27:43,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:27:43" (1/1) ... [2019-11-07 04:27:43,368 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:27:43,462 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:27:44,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:27:44,290 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:27:44,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:27:44,615 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:27:44,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44 WrapperNode [2019-11-07 04:27:44,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:27:44,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:27:44,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:27:44,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:27:44,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44" (1/1) ... [2019-11-07 04:27:44,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44" (1/1) ... [2019-11-07 04:27:44,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44" (1/1) ... [2019-11-07 04:27:44,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44" (1/1) ... [2019-11-07 04:27:44,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44" (1/1) ... [2019-11-07 04:27:44,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44" (1/1) ... [2019-11-07 04:27:44,764 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44" (1/1) ... [2019-11-07 04:27:44,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:27:44,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:27:44,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:27:44,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:27:44,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44" (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 [2019-11-07 04:27:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:27:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:27:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:27:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:27:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-11-07 04:27:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 04:27:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:27:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:27:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:27:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:27:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:27:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:27:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:27:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:27:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:27:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:27:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:27:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:27:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:27:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:27:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:27:44,897 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:27:44,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:27:44,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:27:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:27:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:27:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:27:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:27:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:27:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:27:44,898 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:27:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:27:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:27:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-11-07 04:27:44,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-11-07 04:27:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:27:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:27:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:27:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:27:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:27:44,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:27:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:27:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:27:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:27:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:27:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:27:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:27:44,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:27:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:27:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:27:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:27:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:27:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:27:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:27:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:27:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:27:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:27:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:27:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:27:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:27:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:27:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:27:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:27:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:27:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:27:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:27:44,905 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:27:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:27:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:27:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:27:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:27:44,906 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:27:44,907 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:27:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:27:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:27:44,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:27:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:27:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:27:44,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:27:44,910 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:27:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:27:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:27:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:27:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:27:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:27:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:27:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:27:44,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:27:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:27:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:27:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:27:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:27:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:27:44,913 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:27:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:27:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:27:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:27:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:27:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:27:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:27:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:27:44,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:27:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:27:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:27:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:27:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:27:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:27:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:27:44,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:27:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:27:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:27:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:27:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:27:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:27:44,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:27:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:27:44,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:27:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:27:44,918 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:27:44,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:27:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:27:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:27:44,919 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:27:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:27:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:27:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:27:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:27:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:27:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:27:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:27:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:27:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:27:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:27:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:27:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:27:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:27:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:27:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:27:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-11-07 04:27:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 04:27:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:27:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:27:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:27:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:27:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:27:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:27:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:27:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:27:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:27:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:27:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:27:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:27:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:27:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:27:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:27:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:27:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:27:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:27:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:27:44,940 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:27:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:27:44,941 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:27:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:27:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:27:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:27:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:27:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:27:44,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:27:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:27:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:27:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:27:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:27:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:27:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:27:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:27:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:27:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:27:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:27:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:27:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:27:44,944 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:27:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:27:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:27:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-11-07 04:27:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-11-07 04:27:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:27:44,945 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:27:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:27:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:27:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:27:44,946 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:27:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:27:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:27:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:27:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:27:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:27:44,947 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:27:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:27:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:27:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:27:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:27:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:27:44,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:27:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:27:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:27:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:27:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:27:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:27:44,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:27:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:27:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:27:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:27:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:27:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:27:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:27:44,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:27:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:27:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:27:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:27:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:27:44,951 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:27:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:27:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:27:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:27:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:27:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:27:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:27:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:27:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:27:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:27:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:27:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:27:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:27:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:27:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:27:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:27:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:27:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:27:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:27:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:27:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:27:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:27:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:27:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:27:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:27:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:27:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:27:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:27:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:27:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:27:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:27:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:27:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:27:49,671 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:27:49,672 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:27:49,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:27:49 BoogieIcfgContainer [2019-11-07 04:27:49,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:27:49,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:27:49,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:27:49,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:27:49,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:27:43" (1/3) ... [2019-11-07 04:27:49,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11632600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:27:49, skipping insertion in model container [2019-11-07 04:27:49,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:44" (2/3) ... [2019-11-07 04:27:49,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11632600 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:27:49, skipping insertion in model container [2019-11-07 04:27:49,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:27:49" (3/3) ... [2019-11-07 04:27:49,682 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product33.cil.c [2019-11-07 04:27:49,692 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:27:49,704 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:27:49,716 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:27:49,763 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:27:49,763 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:27:49,764 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:27:49,766 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:27:49,766 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:27:49,766 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:27:49,766 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:27:49,767 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:27:49,809 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states. [2019-11-07 04:27:49,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-07 04:27:49,842 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:27:49,844 INFO L410 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] [2019-11-07 04:27:49,847 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:27:49,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:27:49,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1025911112, now seen corresponding path program 1 times [2019-11-07 04:27:49,863 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:27:49,863 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653364738] [2019-11-07 04:27:49,864 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:27:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:27:50,528 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653364738] [2019-11-07 04:27:50,529 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:27:50,530 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:27:50,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353284451] [2019-11-07 04:27:50,537 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:27:50,538 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:27:50,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:27:50,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:27:50,555 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 2 states. [2019-11-07 04:27:50,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:27:50,664 INFO L93 Difference]: Finished difference Result 675 states and 799 transitions. [2019-11-07 04:27:50,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:27:50,665 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-11-07 04:27:50,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:27:50,696 INFO L225 Difference]: With dead ends: 675 [2019-11-07 04:27:50,696 INFO L226 Difference]: Without dead ends: 416 [2019-11-07 04:27:50,707 INFO L630 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 [2019-11-07 04:27:50,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2019-11-07 04:27:50,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 416. [2019-11-07 04:27:50,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2019-11-07 04:27:50,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 491 transitions. [2019-11-07 04:27:50,830 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 491 transitions. Word has length 125 [2019-11-07 04:27:50,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:27:50,833 INFO L462 AbstractCegarLoop]: Abstraction has 416 states and 491 transitions. [2019-11-07 04:27:50,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:27:50,833 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 491 transitions. [2019-11-07 04:27:50,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-07 04:27:50,840 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:27:50,841 INFO L410 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] [2019-11-07 04:27:50,841 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:27:50,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:27:50,842 INFO L82 PathProgramCache]: Analyzing trace with hash -206293466, now seen corresponding path program 1 times [2019-11-07 04:27:50,842 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:27:50,842 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485747973] [2019-11-07 04:27:50,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:27:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:51,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:27:51,184 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485747973] [2019-11-07 04:27:51,184 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:27:51,184 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:27:51,184 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686670121] [2019-11-07 04:27:51,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:27:51,188 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:27:51,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:27:51,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:27:51,189 INFO L87 Difference]: Start difference. First operand 416 states and 491 transitions. Second operand 3 states. [2019-11-07 04:27:51,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:27:51,272 INFO L93 Difference]: Finished difference Result 660 states and 770 transitions. [2019-11-07 04:27:51,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:27:51,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-07 04:27:51,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:27:51,281 INFO L225 Difference]: With dead ends: 660 [2019-11-07 04:27:51,282 INFO L226 Difference]: Without dead ends: 418 [2019-11-07 04:27:51,284 INFO L630 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 [2019-11-07 04:27:51,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2019-11-07 04:27:51,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 418. [2019-11-07 04:27:51,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2019-11-07 04:27:51,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 493 transitions. [2019-11-07 04:27:51,320 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 493 transitions. Word has length 126 [2019-11-07 04:27:51,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:27:51,320 INFO L462 AbstractCegarLoop]: Abstraction has 418 states and 493 transitions. [2019-11-07 04:27:51,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:27:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 493 transitions. [2019-11-07 04:27:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-07 04:27:51,323 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:27:51,324 INFO L410 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] [2019-11-07 04:27:51,324 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:27:51,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:27:51,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1594467731, now seen corresponding path program 1 times [2019-11-07 04:27:51,325 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:27:51,325 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843341193] [2019-11-07 04:27:51,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:27:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:51,564 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:27:51,565 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843341193] [2019-11-07 04:27:51,565 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:27:51,565 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:27:51,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142787423] [2019-11-07 04:27:51,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:27:51,567 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:27:51,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:27:51,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:27:51,568 INFO L87 Difference]: Start difference. First operand 418 states and 493 transitions. Second operand 3 states. [2019-11-07 04:27:51,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:27:51,632 INFO L93 Difference]: Finished difference Result 820 states and 996 transitions. [2019-11-07 04:27:51,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:27:51,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-11-07 04:27:51,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:27:51,640 INFO L225 Difference]: With dead ends: 820 [2019-11-07 04:27:51,641 INFO L226 Difference]: Without dead ends: 460 [2019-11-07 04:27:51,643 INFO L630 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 [2019-11-07 04:27:51,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-11-07 04:27:51,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2019-11-07 04:27:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-11-07 04:27:51,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 564 transitions. [2019-11-07 04:27:51,688 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 564 transitions. Word has length 138 [2019-11-07 04:27:51,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:27:51,689 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 564 transitions. [2019-11-07 04:27:51,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:27:51,689 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 564 transitions. [2019-11-07 04:27:51,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-07 04:27:51,695 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:27:51,697 INFO L410 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] [2019-11-07 04:27:51,697 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:27:51,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:27:51,698 INFO L82 PathProgramCache]: Analyzing trace with hash 157382548, now seen corresponding path program 1 times [2019-11-07 04:27:51,698 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:27:51,698 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465573851] [2019-11-07 04:27:51,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:27:51,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:51,970 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:27:51,971 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465573851] [2019-11-07 04:27:51,971 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:27:51,971 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:27:51,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229950894] [2019-11-07 04:27:51,973 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:27:51,973 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:27:51,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:27:51,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:27:51,973 INFO L87 Difference]: Start difference. First operand 459 states and 564 transitions. Second operand 3 states. [2019-11-07 04:27:52,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:27:52,020 INFO L93 Difference]: Finished difference Result 751 states and 901 transitions. [2019-11-07 04:27:52,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:27:52,021 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-11-07 04:27:52,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:27:52,031 INFO L225 Difference]: With dead ends: 751 [2019-11-07 04:27:52,031 INFO L226 Difference]: Without dead ends: 510 [2019-11-07 04:27:52,033 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:27:52,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2019-11-07 04:27:52,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2019-11-07 04:27:52,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-11-07 04:27:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 614 transitions. [2019-11-07 04:27:52,079 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 614 transitions. Word has length 139 [2019-11-07 04:27:52,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:27:52,080 INFO L462 AbstractCegarLoop]: Abstraction has 510 states and 614 transitions. [2019-11-07 04:27:52,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:27:52,080 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 614 transitions. [2019-11-07 04:27:52,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-11-07 04:27:52,088 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:27:52,089 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:27:52,089 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:27:52,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:27:52,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1236437221, now seen corresponding path program 1 times [2019-11-07 04:27:52,090 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:27:52,091 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266765614] [2019-11-07 04:27:52,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:27:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:53,044 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-07 04:27:53,044 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266765614] [2019-11-07 04:27:53,045 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224667325] [2019-11-07 04:27:53,045 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 [2019-11-07 04:27:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:53,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 3467 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:27:53,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:27:54,022 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-11-07 04:27:54,023 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:27:54,670 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-07 04:27:54,670 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1534512891] [2019-11-07 04:27:54,704 INFO L159 IcfgInterpreter]: Started Sifa with 211 locations of interest [2019-11-07 04:27:54,705 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:27:54,712 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:27:54,720 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:27:54,720 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs