java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:10:45,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:10:45,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:10:45,294 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:10:45,294 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:10:45,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:10:45,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:10:45,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:10:45,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:10:45,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:10:45,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:10:45,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:10:45,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:10:45,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:10:45,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:10:45,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:10:45,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:10:45,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:10:45,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:10:45,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:10:45,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:10:45,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:10:45,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:10:45,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:10:45,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:10:45,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:10:45,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:10:45,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:10:45,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:10:45,346 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:10:45,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:10:45,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:10:45,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:10:45,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:10:45,353 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:10:45,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:10:45,354 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:10:45,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:10:45,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:10:45,357 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:10:45,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:10:45,361 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:10:45,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:10:45,375 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:10:45,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:10:45,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:10:45,377 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:10:45,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:10:45,377 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:10:45,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:10:45,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:10:45,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:10:45,378 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:10:45,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:10:45,379 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:10:45,379 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:10:45,379 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:10:45,379 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:10:45,380 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:10:45,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:10:45,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:10:45,380 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:10:45,381 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:10:45,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:10:45,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:10:45,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:10:45,381 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:10:45,382 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:10:45,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:10:45,382 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:10:45,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:10:45,673 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:10:45,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:10:45,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:10:45,692 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:10:45,693 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:10:45,694 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c [2019-10-15 03:10:45,757 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367d83aea/d8036ba2b56244ec9437a44409a39f4a/FLAGf877ba1cb [2019-10-15 03:10:46,402 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:10:46,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c [2019-10-15 03:10:46,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367d83aea/d8036ba2b56244ec9437a44409a39f4a/FLAGf877ba1cb [2019-10-15 03:10:46,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/367d83aea/d8036ba2b56244ec9437a44409a39f4a [2019-10-15 03:10:46,615 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:10:46,617 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:10:46,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:10:46,618 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:10:46,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:10:46,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:10:46" (1/1) ... [2019-10-15 03:10:46,625 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:46, skipping insertion in model container [2019-10-15 03:10:46,625 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:10:46" (1/1) ... [2019-10-15 03:10:46,631 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:10:46,718 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:10:47,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:10:47,595 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:10:47,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:10:47,811 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:10:47,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47 WrapperNode [2019-10-15 03:10:47,812 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:10:47,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:10:47,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:10:47,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:10:47,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:47,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... [2019-10-15 03:10:48,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:10:48,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:10:48,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:10:48,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:10:48,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:10:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:10:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:10:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:10:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:10:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:10:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:10:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:10:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:10:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:10:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:10:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:10:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:10:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:10:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:10:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:10:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:10:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:10:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:10:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:10:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:10:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:10:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:10:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:10:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:10:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:10:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:10:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:10:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:10:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:10:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:10:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:10:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:10:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:10:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:10:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:10:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:10:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:10:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:10:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:10:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:10:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:10:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:10:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:10:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:10:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:10:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:10:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:10:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:10:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:10:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:10:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:10:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:10:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:10:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:10:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:10:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:10:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:10:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:10:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:10:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:10:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:10:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:10:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:10:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:10:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:10:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:10:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:10:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:10:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:10:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:10:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:10:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:10:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:10:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:10:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:10:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:10:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:10:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:10:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:10:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:10:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:10:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:10:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:10:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:10:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:10:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:10:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:10:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:10:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:10:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:10:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:10:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:10:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:10:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:10:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:10:48,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:10:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:10:48,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:10:48,129 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:10:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:10:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:10:48,130 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:10:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:10:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:10:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:10:48,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:10:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:10:48,132 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:10:48,133 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:10:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:10:48,136 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:10:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:10:48,137 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:10:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:10:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:10:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:10:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:10:48,138 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:10:48,139 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:10:48,146 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:10:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:10:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:10:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:10:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:10:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:10:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:10:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:10:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:10:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:10:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:10:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:10:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:10:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:10:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:10:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:10:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:10:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:10:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:10:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:10:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:10:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:10:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:10:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:10:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:10:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:10:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:10:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:10:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:10:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:10:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:10:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:10:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:10:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:10:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:10:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:10:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:10:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:10:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:10:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:10:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:10:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:10:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:10:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:10:48,162 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:10:48,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:10:48,164 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:10:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:10:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:10:52,666 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:10:52,666 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:10:52,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:10:52 BoogieIcfgContainer [2019-10-15 03:10:52,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:10:52,670 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:10:52,670 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:10:52,673 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:10:52,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:10:46" (1/3) ... [2019-10-15 03:10:52,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45500cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:10:52, skipping insertion in model container [2019-10-15 03:10:52,675 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:47" (2/3) ... [2019-10-15 03:10:52,675 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45500cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:10:52, skipping insertion in model container [2019-10-15 03:10:52,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:10:52" (3/3) ... [2019-10-15 03:10:52,677 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product35.cil.c [2019-10-15 03:10:52,688 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:10:52,698 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:10:52,711 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:10:52,743 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:10:52,743 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:10:52,743 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:10:52,743 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:10:52,744 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:10:52,744 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:10:52,744 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:10:52,744 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:10:52,775 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states. [2019-10-15 03:10:52,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-15 03:10:52,796 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:52,798 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, 1, 1, 1, 1, 1] [2019-10-15 03:10:52,800 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:52,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:52,807 INFO L82 PathProgramCache]: Analyzing trace with hash -1088841059, now seen corresponding path program 1 times [2019-10-15 03:10:52,817 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:52,818 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360695651] [2019-10-15 03:10:52,818 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:52,818 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:52,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:53,665 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360695651] [2019-10-15 03:10:53,666 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:53,666 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:10:53,667 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330010973] [2019-10-15 03:10:53,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:10:53,674 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:53,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:10:53,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:10:53,693 INFO L87 Difference]: Start difference. First operand 476 states. Second operand 2 states. [2019-10-15 03:10:53,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:53,820 INFO L93 Difference]: Finished difference Result 727 states and 869 transitions. [2019-10-15 03:10:53,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:10:53,821 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 193 [2019-10-15 03:10:53,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:53,853 INFO L225 Difference]: With dead ends: 727 [2019-10-15 03:10:53,853 INFO L226 Difference]: Without dead ends: 449 [2019-10-15 03:10:53,865 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:10:53,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-15 03:10:53,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2019-10-15 03:10:53,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-10-15 03:10:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 530 transitions. [2019-10-15 03:10:53,993 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 530 transitions. Word has length 193 [2019-10-15 03:10:53,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:53,997 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 530 transitions. [2019-10-15 03:10:53,997 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:10:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 530 transitions. [2019-10-15 03:10:54,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-15 03:10:54,009 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:54,013 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, 1, 1, 1, 1, 1, 1] [2019-10-15 03:10:54,014 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:54,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:54,014 INFO L82 PathProgramCache]: Analyzing trace with hash -985049886, now seen corresponding path program 1 times [2019-10-15 03:10:54,015 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:54,015 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280277273] [2019-10-15 03:10:54,015 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:54,015 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:54,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:54,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280277273] [2019-10-15 03:10:54,432 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:54,432 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:10:54,433 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2109578297] [2019-10-15 03:10:54,437 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:10:54,437 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:54,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:10:54,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:54,438 INFO L87 Difference]: Start difference. First operand 449 states and 530 transitions. Second operand 3 states. [2019-10-15 03:10:54,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:54,493 INFO L93 Difference]: Finished difference Result 712 states and 833 transitions. [2019-10-15 03:10:54,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:10:54,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-15 03:10:54,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:54,499 INFO L225 Difference]: With dead ends: 712 [2019-10-15 03:10:54,499 INFO L226 Difference]: Without dead ends: 451 [2019-10-15 03:10:54,501 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:54,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-10-15 03:10:54,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-10-15 03:10:54,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-15 03:10:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 532 transitions. [2019-10-15 03:10:54,532 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 532 transitions. Word has length 194 [2019-10-15 03:10:54,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:54,533 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 532 transitions. [2019-10-15 03:10:54,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:10:54,533 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 532 transitions. [2019-10-15 03:10:54,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-15 03:10:54,536 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:54,537 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:10:54,537 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:54,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:54,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1167016068, now seen corresponding path program 1 times [2019-10-15 03:10:54,538 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:54,538 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642886042] [2019-10-15 03:10:54,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:54,538 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:54,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:54,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:54,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642886042] [2019-10-15 03:10:54,735 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:54,735 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:10:54,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191115376] [2019-10-15 03:10:54,737 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:10:54,737 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:54,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:10:54,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:54,738 INFO L87 Difference]: Start difference. First operand 451 states and 532 transitions. Second operand 3 states. [2019-10-15 03:10:54,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:54,797 INFO L93 Difference]: Finished difference Result 888 states and 1077 transitions. [2019-10-15 03:10:54,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:10:54,798 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-15 03:10:54,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:54,805 INFO L225 Difference]: With dead ends: 888 [2019-10-15 03:10:54,805 INFO L226 Difference]: Without dead ends: 495 [2019-10-15 03:10:54,808 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:54,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-10-15 03:10:54,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 494. [2019-10-15 03:10:54,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-10-15 03:10:54,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 606 transitions. [2019-10-15 03:10:54,855 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 606 transitions. Word has length 206 [2019-10-15 03:10:54,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:54,858 INFO L462 AbstractCegarLoop]: Abstraction has 494 states and 606 transitions. [2019-10-15 03:10:54,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:10:54,859 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 606 transitions. [2019-10-15 03:10:54,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-15 03:10:54,872 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:54,873 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:10:54,873 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:54,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:54,874 INFO L82 PathProgramCache]: Analyzing trace with hash 929601048, now seen corresponding path program 1 times [2019-10-15 03:10:54,874 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:54,875 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335312726] [2019-10-15 03:10:54,875 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:54,875 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:54,876 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 03:10:55,910 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335312726] [2019-10-15 03:10:55,910 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638717630] [2019-10-15 03:10:55,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:10:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:56,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 3227 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:10:56,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:10:56,783 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:56,784 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:10:57,122 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:57,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1794589126] [2019-10-15 03:10:57,156 INFO L162 IcfgInterpreter]: Started Sifa with 182 locations of interest [2019-10-15 03:10:57,157 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:10:57,170 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:10:57,178 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:10:57,179 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs