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_spec7_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:16:43,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:16:43,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:16:43,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:16:43,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:16:43,078 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:16:43,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:16:43,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:16:43,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:16:43,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:16:43,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:16:43,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:16:43,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:16:43,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:16:43,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:16:43,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:16:43,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:16:43,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:16:43,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:16:43,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:16:43,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:16:43,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:16:43,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:16:43,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:16:43,128 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:16:43,128 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:16:43,128 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:16:43,130 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:16:43,131 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:16:43,132 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:16:43,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:16:43,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:16:43,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:16:43,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:16:43,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:16:43,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:16:43,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:16:43,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:16:43,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:16:43,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:16:43,144 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:16:43,145 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 03:16:43,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:16:43,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:16:43,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:16:43,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:16:43,165 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:16:43,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:16:43,166 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:16:43,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:16:43,166 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:16:43,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:16:43,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:16:43,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:16:43,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:16:43,168 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:16:43,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:16:43,169 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:16:43,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:16:43,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:16:43,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:16:43,170 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:16:43,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:16:43,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:43,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:16:43,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:16:43,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:16:43,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:16:43,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:16:43,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:16:43,171 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 03:16:43,431 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:16:43,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:16:43,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:16:43,454 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:16:43,455 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:16:43,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c [2019-10-15 03:16:43,526 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87f0d6ac1/4bcb8ee7b57d405bb212d92b97c64d2b/FLAG9d3aec2ea [2019-10-15 03:16:44,182 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:16:44,185 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c [2019-10-15 03:16:44,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87f0d6ac1/4bcb8ee7b57d405bb212d92b97c64d2b/FLAG9d3aec2ea [2019-10-15 03:16:44,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/87f0d6ac1/4bcb8ee7b57d405bb212d92b97c64d2b [2019-10-15 03:16:44,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:16:44,389 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:16:44,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:44,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:16:44,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:16:44,394 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:44" (1/1) ... [2019-10-15 03:16:44,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da11249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44, skipping insertion in model container [2019-10-15 03:16:44,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:44" (1/1) ... [2019-10-15 03:16:44,405 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:16:44,483 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:16:45,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:45,237 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:16:45,370 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:45,480 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:16:45,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45 WrapperNode [2019-10-15 03:16:45,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:45,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:16:45,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:16:45,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:16:45,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45" (1/1) ... [2019-10-15 03:16:45,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45" (1/1) ... [2019-10-15 03:16:45,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45" (1/1) ... [2019-10-15 03:16:45,564 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45" (1/1) ... [2019-10-15 03:16:45,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45" (1/1) ... [2019-10-15 03:16:45,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45" (1/1) ... [2019-10-15 03:16:45,688 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45" (1/1) ... [2019-10-15 03:16:45,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:16:45,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:16:45,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:16:45,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:16:45,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45" (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 03:16:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:16:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:16:45,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:16:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:16:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:16:45,789 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:16:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:16:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:16:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:16:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:16:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:16:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:16:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:16:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:16:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:16:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:16:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:16:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:16:45,792 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:16:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:16:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:16:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:16:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:16:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:16:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:16:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:16:45,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:16:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:16:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:16:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:16:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:16:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:16:45,795 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:16:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:16:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:16:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:16:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:16:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:16:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:16:45,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:16:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:16:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:16:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:16:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:16:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:16:45,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:16:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:16:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:16:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:16:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:16:45,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:16:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:16:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:16:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:16:45,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:16:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:16:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:16:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:16:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:16:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:16:45,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:16:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:16:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:45,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:16:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:16:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:16:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:16:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:16:45,802 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:16:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:16:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:16:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:16:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:16:45,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:16:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:16:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:16:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:16:45,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:16:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:16:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:16:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:16:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:16:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:16:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:16:45,805 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:16:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:16:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:16:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:16:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:16:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:16:45,806 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:16:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:16:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:16:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:16:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:16:45,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:16:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:16:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:16:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:16:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:16:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:16:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:16:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:16:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:16:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:16:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:16:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:16:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:16:45,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:16:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:16:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:16:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:16:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:16:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:16:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:16:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:16:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:16:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:16:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:16:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:16:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:16:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:16:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:16:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:16:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:16:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:16:45,812 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:16:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:16:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:16:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:16:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:16:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:16:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:16:45,813 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:16:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:16:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:16:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:16:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:16:45,814 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:16:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:16:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:16:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:16:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:16:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:16:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:16:45,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:16:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:16:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:16:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:16:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:16:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:16:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:16:45,816 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:16:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:16:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:16:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:16:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:16:45,817 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:16:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:16:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:16:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:16:45,818 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:16:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:16:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:16:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:16:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:16:45,819 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:16:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:16:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:16:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:16:45,820 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:16:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:16:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:16:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:16:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:16:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:16:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:16:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:16:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:16:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:16:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:16:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:16:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:16:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:16:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:16:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:16:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:16:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:16:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:16:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:16:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:16:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:16:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:16:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:16:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:16:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:16:45,825 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:16:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:16:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:16:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:16:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:16:45,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:16:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:16:45,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:16:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:16:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:16:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:16:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:16:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:16:45,828 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:16:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:16:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:16:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:16:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:16:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:16:45,829 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:16:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:16:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:16:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:16:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:16:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:16:45,830 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:16:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:16:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:16:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:16:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:16:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:16:45,831 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:16:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:16:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:16:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:16:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:45,832 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:16:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:16:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:16:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:16:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:16:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:16:45,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:16:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:16:45,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:16:50,143 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:16:50,143 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:16:50,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:50 BoogieIcfgContainer [2019-10-15 03:16:50,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:16:50,146 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:16:50,146 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:16:50,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:16:50,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:16:44" (1/3) ... [2019-10-15 03:16:50,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f07654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:50, skipping insertion in model container [2019-10-15 03:16:50,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:45" (2/3) ... [2019-10-15 03:16:50,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f07654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:50, skipping insertion in model container [2019-10-15 03:16:50,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:50" (3/3) ... [2019-10-15 03:16:50,153 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product35.cil.c [2019-10-15 03:16:50,163 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:16:50,172 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:16:50,184 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:16:50,213 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:16:50,213 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:16:50,213 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:16:50,213 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:16:50,214 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:16:50,214 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:16:50,214 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:16:50,214 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:16:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states. [2019-10-15 03:16:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-15 03:16:50,260 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:50,262 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:50,264 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:50,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:50,269 INFO L82 PathProgramCache]: Analyzing trace with hash -270206354, now seen corresponding path program 1 times [2019-10-15 03:16:50,279 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:50,280 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312710579] [2019-10-15 03:16:50,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:50,280 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:50,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:50,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:50,889 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:50,890 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312710579] [2019-10-15 03:16:50,891 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:50,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:16:50,892 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565398119] [2019-10-15 03:16:50,898 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:16:50,898 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:50,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:16:50,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:16:50,916 INFO L87 Difference]: Start difference. First operand 475 states. Second operand 2 states. [2019-10-15 03:16:50,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:50,995 INFO L93 Difference]: Finished difference Result 725 states and 866 transitions. [2019-10-15 03:16:50,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:16:50,996 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-15 03:16:50,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:51,017 INFO L225 Difference]: With dead ends: 725 [2019-10-15 03:16:51,018 INFO L226 Difference]: Without dead ends: 448 [2019-10-15 03:16:51,024 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 03:16:51,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-10-15 03:16:51,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2019-10-15 03:16:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-10-15 03:16:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 529 transitions. [2019-10-15 03:16:51,115 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 529 transitions. Word has length 152 [2019-10-15 03:16:51,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:51,122 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 529 transitions. [2019-10-15 03:16:51,122 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:16:51,122 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 529 transitions. [2019-10-15 03:16:51,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 03:16:51,132 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:51,132 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:51,133 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:51,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:51,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1149042658, now seen corresponding path program 1 times [2019-10-15 03:16:51,135 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:51,135 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14059056] [2019-10-15 03:16:51,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:51,135 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:51,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:51,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:51,452 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14059056] [2019-10-15 03:16:51,452 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:51,453 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:51,453 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320949044] [2019-10-15 03:16:51,456 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:51,456 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:51,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:51,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:51,457 INFO L87 Difference]: Start difference. First operand 448 states and 529 transitions. Second operand 3 states. [2019-10-15 03:16:51,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:51,535 INFO L93 Difference]: Finished difference Result 710 states and 831 transitions. [2019-10-15 03:16:51,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:51,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-15 03:16:51,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:51,553 INFO L225 Difference]: With dead ends: 710 [2019-10-15 03:16:51,553 INFO L226 Difference]: Without dead ends: 450 [2019-10-15 03:16:51,560 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 03:16:51,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-10-15 03:16:51,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2019-10-15 03:16:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-10-15 03:16:51,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 531 transitions. [2019-10-15 03:16:51,633 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 531 transitions. Word has length 153 [2019-10-15 03:16:51,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:51,634 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 531 transitions. [2019-10-15 03:16:51,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:51,635 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 531 transitions. [2019-10-15 03:16:51,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-15 03:16:51,642 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:51,642 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:51,644 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:51,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:51,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1628658684, now seen corresponding path program 1 times [2019-10-15 03:16:51,645 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:51,645 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149246213] [2019-10-15 03:16:51,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:51,646 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:51,646 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:51,963 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149246213] [2019-10-15 03:16:51,964 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:51,964 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:51,964 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675556008] [2019-10-15 03:16:51,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:51,966 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:51,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:51,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:51,966 INFO L87 Difference]: Start difference. First operand 450 states and 531 transitions. Second operand 3 states. [2019-10-15 03:16:52,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:52,014 INFO L93 Difference]: Finished difference Result 886 states and 1075 transitions. [2019-10-15 03:16:52,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:52,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-15 03:16:52,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:52,018 INFO L225 Difference]: With dead ends: 886 [2019-10-15 03:16:52,018 INFO L226 Difference]: Without dead ends: 494 [2019-10-15 03:16:52,020 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 03:16:52,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-10-15 03:16:52,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 493. [2019-10-15 03:16:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-10-15 03:16:52,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 605 transitions. [2019-10-15 03:16:52,042 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 605 transitions. Word has length 165 [2019-10-15 03:16:52,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:52,043 INFO L462 AbstractCegarLoop]: Abstraction has 493 states and 605 transitions. [2019-10-15 03:16:52,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 605 transitions. [2019-10-15 03:16:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-15 03:16:52,046 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:52,047 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:52,047 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:52,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:52,047 INFO L82 PathProgramCache]: Analyzing trace with hash -1850522383, now seen corresponding path program 1 times [2019-10-15 03:16:52,048 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:52,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331598375] [2019-10-15 03:16:52,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:52,048 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:52,048 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:52,898 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:16:52,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331598375] [2019-10-15 03:16:52,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:52,899 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-15 03:16:52,899 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553571491] [2019-10-15 03:16:52,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-15 03:16:52,900 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:52,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-15 03:16:52,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:16:52,901 INFO L87 Difference]: Start difference. First operand 493 states and 605 transitions. Second operand 30 states. [2019-10-15 03:17:04,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:04,009 INFO L93 Difference]: Finished difference Result 1088 states and 1344 transitions. [2019-10-15 03:17:04,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-15 03:17:04,009 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 166 [2019-10-15 03:17:04,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:04,022 INFO L225 Difference]: With dead ends: 1088 [2019-10-15 03:17:04,022 INFO L226 Difference]: Without dead ends: 836 [2019-10-15 03:17:04,026 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=2171, Unknown=0, NotChecked=0, Total=2352 [2019-10-15 03:17:04,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2019-10-15 03:17:04,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 824. [2019-10-15 03:17:04,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2019-10-15 03:17:04,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1020 transitions. [2019-10-15 03:17:04,080 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1020 transitions. Word has length 166 [2019-10-15 03:17:04,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:04,083 INFO L462 AbstractCegarLoop]: Abstraction has 824 states and 1020 transitions. [2019-10-15 03:17:04,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-15 03:17:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1020 transitions. [2019-10-15 03:17:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-15 03:17:04,088 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:04,089 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:04,089 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:04,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:04,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1944425368, now seen corresponding path program 1 times [2019-10-15 03:17:04,089 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:04,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752089562] [2019-10-15 03:17:04,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:04,090 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:04,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:17:04,327 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752089562] [2019-10-15 03:17:04,327 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:04,327 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:17:04,327 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462418593] [2019-10-15 03:17:04,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:17:04,328 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:04,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:17:04,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:17:04,329 INFO L87 Difference]: Start difference. First operand 824 states and 1020 transitions. Second operand 10 states. [2019-10-15 03:17:04,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:04,389 INFO L93 Difference]: Finished difference Result 833 states and 1032 transitions. [2019-10-15 03:17:04,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:17:04,390 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2019-10-15 03:17:04,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:04,396 INFO L225 Difference]: With dead ends: 833 [2019-10-15 03:17:04,397 INFO L226 Difference]: Without dead ends: 830 [2019-10-15 03:17:04,398 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:17:04,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2019-10-15 03:17:04,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2019-10-15 03:17:04,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2019-10-15 03:17:04,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1027 transitions. [2019-10-15 03:17:04,445 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1027 transitions. Word has length 170 [2019-10-15 03:17:04,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:04,446 INFO L462 AbstractCegarLoop]: Abstraction has 830 states and 1027 transitions. [2019-10-15 03:17:04,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:17:04,447 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1027 transitions. [2019-10-15 03:17:04,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 03:17:04,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:04,512 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:04,512 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:04,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:04,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1990360587, now seen corresponding path program 1 times [2019-10-15 03:17:04,513 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:04,513 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857544845] [2019-10-15 03:17:04,514 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:04,514 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:04,514 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 03:17:05,119 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857544845] [2019-10-15 03:17:05,119 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772409792] [2019-10-15 03:17:05,119 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 03:17:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:05,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 3059 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:17:05,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:17:05,867 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:17:05,867 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:17:06,113 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:17:06,113 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1609000791] [2019-10-15 03:17:06,145 INFO L162 IcfgInterpreter]: Started Sifa with 157 locations of interest [2019-10-15 03:17:06,146 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:17:06,152 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:17:06,159 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:17:06,160 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs