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_spec11_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:06:53,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:06:53,108 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:06:53,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:06:53,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:06:53,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:06:53,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:06:53,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:06:53,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:06:53,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:06:53,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:06:53,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:06:53,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:06:53,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:06:53,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:06:53,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:06:53,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:06:53,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:06:53,136 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:06:53,138 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:06:53,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:06:53,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:06:53,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:06:53,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:06:53,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:06:53,145 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:06:53,145 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:06:53,146 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:06:53,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:06:53,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:06:53,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:06:53,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:06:53,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:06:53,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:06:53,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:06:53,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:06:53,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:06:53,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:06:53,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:06:53,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:06:53,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:06:53,155 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 23:06:53,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:06:53,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:06:53,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:06:53,174 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:06:53,174 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:06:53,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:06:53,175 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:06:53,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:06:53,175 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:06:53,175 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:06:53,175 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:06:53,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:06:53,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:06:53,176 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:06:53,176 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:06:53,176 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:06:53,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:06:53,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:06:53,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:06:53,177 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:06:53,177 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:06:53,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:06:53,178 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:06:53,178 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:06:53,178 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:06:53,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:06:53,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:06:53,179 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:06:53,179 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 23:06:53,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:06:53,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:06:53,457 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:06:53,458 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:06:53,459 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:06:53,459 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product30.cil.c [2019-10-13 23:06:53,528 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ddf160ee/31391a80f1a04f7389c31d545d60d3db/FLAGa6c5052b2 [2019-10-13 23:06:54,181 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:06:54,181 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product30.cil.c [2019-10-13 23:06:54,214 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ddf160ee/31391a80f1a04f7389c31d545d60d3db/FLAGa6c5052b2 [2019-10-13 23:06:54,338 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ddf160ee/31391a80f1a04f7389c31d545d60d3db [2019-10-13 23:06:54,347 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:06:54,348 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:06:54,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:06:54,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:06:54,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:06:54,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:06:54" (1/1) ... [2019-10-13 23:06:54,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b5cac2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:54, skipping insertion in model container [2019-10-13 23:06:54,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:06:54" (1/1) ... [2019-10-13 23:06:54,364 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:06:54,443 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:06:55,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:06:55,362 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:06:55,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:06:55,656 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:06:55,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55 WrapperNode [2019-10-13 23:06:55,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:06:55,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:06:55,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:06:55,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:06:55,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55" (1/1) ... [2019-10-13 23:06:55,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55" (1/1) ... [2019-10-13 23:06:55,721 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55" (1/1) ... [2019-10-13 23:06:55,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55" (1/1) ... [2019-10-13 23:06:55,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55" (1/1) ... [2019-10-13 23:06:55,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55" (1/1) ... [2019-10-13 23:06:55,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55" (1/1) ... [2019-10-13 23:06:55,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:06:55,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:06:55,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:06:55,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:06:55,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55" (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 23:06:55,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:06:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:06:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:06:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:06:55,991 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:06:55,992 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:06:55,993 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:06:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:06:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:06:55,994 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:06:55,995 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:06:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:06:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:06:55,996 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:06:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:06:55,997 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:06:55,999 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:06:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:06:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:06:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:06:56,000 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:06:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:06:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:06:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:06:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:06:56,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 23:06:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:06:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:06:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:06:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:06:56,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:06:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:06:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:06:56,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:06:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:06:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:06:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:06:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:06:56,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:06:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:06:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:06:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:06:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:06:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:06:56,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:06:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:06:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:06:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:06:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-13 23:06:56,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-13 23:06:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:06:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:06:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:06:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:06:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:06:56,007 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:06:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:06:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:06:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:06:56,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:06:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:06:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:06:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:06:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:06:56,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:06:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:06:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:06:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:06:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:06:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:06:56,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:06:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:06:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:06:56,011 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:06:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:06:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:06:56,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:06:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:06:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:06:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:06:56,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:06:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:06:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:06:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:06:56,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:06:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:06:56,015 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:06:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:06:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:06:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:06:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:06:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:06:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:06:56,016 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:06:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:06:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:06:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:06:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:06:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:06:56,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:06:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:06:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:06:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:06:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:06:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:06:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:06:56,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:06:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:06:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:06:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:06:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:06:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:06:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:06:56,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:06:56,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:06:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:06:56,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:06:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:06:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:06:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:06:56,021 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:06:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:06:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:06:56,022 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:06:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:06:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:06:56,023 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:06:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:06:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:06:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:06:56,024 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:06:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:06:56,025 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:06:56,026 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:06:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:06:56,029 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:06:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:06:56,030 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:06:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:06:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:06:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:06:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:06:56,031 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:06:56,032 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:06:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:06:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:06:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:06:56,039 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:06:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:06:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:06:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:06:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:06:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:06:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:06:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:06:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:06:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:06:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:06:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:06:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:06:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:06:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 23:06:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:06:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:06:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:06:56,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:06:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:06:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:06:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:06:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:06:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:06:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:06:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:06:56,044 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:06:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:06:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:06:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:06:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:06:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:06:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:06:56,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:06:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:06:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:06:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:06:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:06:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-13 23:06:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-13 23:06:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:06:56,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:06:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:06:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:06:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:06:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:06:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:06:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:06:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:06:56,047 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:06:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:06:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:06:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:06:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:06:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:06:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:06:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:06:56,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:06:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:06:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:06:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:06:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:06:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:06:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:06:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:06:56,049 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:06:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:06:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:06:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:06:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:06:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:06:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:06:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:06:56,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:06:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:06:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:06:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:06:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:06:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:06:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:06:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:06:56,051 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:06:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:06:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:06:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:06:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:06:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:06:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:06:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:06:56,052 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:06:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:06:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:06:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:06:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:06:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:06:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:06:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:06:56,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:07:00,696 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:07:00,697 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:07:00,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:00 BoogieIcfgContainer [2019-10-13 23:07:00,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:07:00,700 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:07:00,700 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:07:00,704 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:07:00,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:06:54" (1/3) ... [2019-10-13 23:07:00,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74eb7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:00, skipping insertion in model container [2019-10-13 23:07:00,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:55" (2/3) ... [2019-10-13 23:07:00,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74eb7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:00, skipping insertion in model container [2019-10-13 23:07:00,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:00" (3/3) ... [2019-10-13 23:07:00,708 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product30.cil.c [2019-10-13 23:07:00,718 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:07:00,729 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:07:00,743 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:07:00,791 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:07:00,792 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:07:00,792 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:07:00,792 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:07:00,792 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:07:00,792 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:07:00,792 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:07:00,792 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:07:00,821 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2019-10-13 23:07:00,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 23:07:00,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:00,843 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:00,845 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:00,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:00,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1754397526, now seen corresponding path program 1 times [2019-10-13 23:07:00,862 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:00,862 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617552269] [2019-10-13 23:07:00,862 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:00,863 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:00,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:01,511 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:01,513 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617552269] [2019-10-13 23:07:01,514 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:01,514 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:07:01,514 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792027579] [2019-10-13 23:07:01,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:07:01,523 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:01,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:07:01,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:07:01,542 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 2 states. [2019-10-13 23:07:01,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:01,620 INFO L93 Difference]: Finished difference Result 558 states and 662 transitions. [2019-10-13 23:07:01,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:07:01,622 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 174 [2019-10-13 23:07:01,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:01,644 INFO L225 Difference]: With dead ends: 558 [2019-10-13 23:07:01,644 INFO L226 Difference]: Without dead ends: 354 [2019-10-13 23:07:01,650 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 23:07:01,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-10-13 23:07:01,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2019-10-13 23:07:01,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-10-13 23:07:01,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 417 transitions. [2019-10-13 23:07:01,732 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 417 transitions. Word has length 174 [2019-10-13 23:07:01,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:01,734 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 417 transitions. [2019-10-13 23:07:01,734 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:07:01,735 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 417 transitions. [2019-10-13 23:07:01,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-13 23:07:01,742 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:01,743 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:01,743 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:01,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:01,744 INFO L82 PathProgramCache]: Analyzing trace with hash -885264877, now seen corresponding path program 1 times [2019-10-13 23:07:01,744 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:01,744 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015481709] [2019-10-13 23:07:01,744 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:01,745 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:01,745 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:02,058 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015481709] [2019-10-13 23:07:02,058 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:02,058 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:02,059 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366789899] [2019-10-13 23:07:02,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:02,065 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:02,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:02,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:02,066 INFO L87 Difference]: Start difference. First operand 354 states and 417 transitions. Second operand 3 states. [2019-10-13 23:07:02,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:02,156 INFO L93 Difference]: Finished difference Result 543 states and 629 transitions. [2019-10-13 23:07:02,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:02,158 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-13 23:07:02,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:02,163 INFO L225 Difference]: With dead ends: 543 [2019-10-13 23:07:02,163 INFO L226 Difference]: Without dead ends: 356 [2019-10-13 23:07:02,166 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 23:07:02,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-13 23:07:02,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2019-10-13 23:07:02,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-10-13 23:07:02,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 419 transitions. [2019-10-13 23:07:02,203 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 419 transitions. Word has length 175 [2019-10-13 23:07:02,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:02,204 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 419 transitions. [2019-10-13 23:07:02,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:02,204 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 419 transitions. [2019-10-13 23:07:02,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-13 23:07:02,209 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:02,209 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:02,210 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:02,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:02,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1310280288, now seen corresponding path program 1 times [2019-10-13 23:07:02,210 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:02,210 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633178044] [2019-10-13 23:07:02,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:02,211 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:02,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:02,385 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:02,386 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633178044] [2019-10-13 23:07:02,386 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:02,386 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:02,386 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973052460] [2019-10-13 23:07:02,390 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:02,390 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:02,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:02,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:02,391 INFO L87 Difference]: Start difference. First operand 356 states and 419 transitions. Second operand 3 states. [2019-10-13 23:07:02,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:02,434 INFO L93 Difference]: Finished difference Result 694 states and 845 transitions. [2019-10-13 23:07:02,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:02,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2019-10-13 23:07:02,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:02,439 INFO L225 Difference]: With dead ends: 694 [2019-10-13 23:07:02,439 INFO L226 Difference]: Without dead ends: 396 [2019-10-13 23:07:02,442 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 23:07:02,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-10-13 23:07:02,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 395. [2019-10-13 23:07:02,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-13 23:07:02,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 487 transitions. [2019-10-13 23:07:02,483 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 487 transitions. Word has length 184 [2019-10-13 23:07:02,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:02,484 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 487 transitions. [2019-10-13 23:07:02,484 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:02,485 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 487 transitions. [2019-10-13 23:07:02,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-13 23:07:02,490 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:02,491 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:02,491 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:02,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:02,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1908063291, now seen corresponding path program 1 times [2019-10-13 23:07:02,492 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:02,492 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736207406] [2019-10-13 23:07:02,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:02,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:02,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:02,714 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:02,718 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736207406] [2019-10-13 23:07:02,718 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:02,718 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:02,719 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646185473] [2019-10-13 23:07:02,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:02,721 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:02,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:02,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:02,722 INFO L87 Difference]: Start difference. First operand 395 states and 487 transitions. Second operand 3 states. [2019-10-13 23:07:02,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:02,777 INFO L93 Difference]: Finished difference Result 808 states and 1044 transitions. [2019-10-13 23:07:02,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:02,778 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-13 23:07:02,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:02,790 INFO L225 Difference]: With dead ends: 808 [2019-10-13 23:07:02,790 INFO L226 Difference]: Without dead ends: 471 [2019-10-13 23:07:02,792 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 23:07:02,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2019-10-13 23:07:02,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 470. [2019-10-13 23:07:02,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-13 23:07:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 617 transitions. [2019-10-13 23:07:02,846 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 617 transitions. Word has length 185 [2019-10-13 23:07:02,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:02,847 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 617 transitions. [2019-10-13 23:07:02,847 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:02,848 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 617 transitions. [2019-10-13 23:07:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-13 23:07:02,856 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:02,856 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:02,857 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:02,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:02,857 INFO L82 PathProgramCache]: Analyzing trace with hash -818260960, now seen corresponding path program 1 times [2019-10-13 23:07:02,858 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:02,858 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643423250] [2019-10-13 23:07:02,859 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:02,859 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:02,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:02,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:03,173 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:03,174 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643423250] [2019-10-13 23:07:03,174 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:03,174 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:03,174 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651779779] [2019-10-13 23:07:03,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:03,175 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:03,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:03,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:03,176 INFO L87 Difference]: Start difference. First operand 470 states and 617 transitions. Second operand 3 states. [2019-10-13 23:07:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:03,208 INFO L93 Difference]: Finished difference Result 1027 states and 1424 transitions. [2019-10-13 23:07:03,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:03,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-13 23:07:03,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:03,213 INFO L225 Difference]: With dead ends: 1027 [2019-10-13 23:07:03,214 INFO L226 Difference]: Without dead ends: 615 [2019-10-13 23:07:03,215 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 23:07:03,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-10-13 23:07:03,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 614. [2019-10-13 23:07:03,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2019-10-13 23:07:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 865 transitions. [2019-10-13 23:07:03,245 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 865 transitions. Word has length 186 [2019-10-13 23:07:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:03,246 INFO L462 AbstractCegarLoop]: Abstraction has 614 states and 865 transitions. [2019-10-13 23:07:03,246 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 865 transitions. [2019-10-13 23:07:03,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-13 23:07:03,251 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:03,251 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-13 23:07:03,252 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:03,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:03,252 INFO L82 PathProgramCache]: Analyzing trace with hash -932633085, now seen corresponding path program 1 times [2019-10-13 23:07:03,252 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:03,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246889909] [2019-10-13 23:07:03,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:03,253 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:03,253 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:04,027 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:07:04,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246889909] [2019-10-13 23:07:04,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068739912] [2019-10-13 23:07:04,028 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 23:07:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:04,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 2865 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:07:04,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:07:04,801 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:04,801 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:07:05,179 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:05,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [726360580] [2019-10-13 23:07:05,229 INFO L162 IcfgInterpreter]: Started Sifa with 165 locations of interest [2019-10-13 23:07:05,229 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:07:05,248 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:07:05,266 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:07:05,267 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs