/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:24:45,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:24:45,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:24:45,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:24:45,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:24:45,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:24:45,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:24:45,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:24:45,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:24:45,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:24:45,623 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:24:45,625 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:24:45,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:24:45,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:24:45,629 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:24:45,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:24:45,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:24:45,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:24:45,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:24:45,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:24:45,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:24:45,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:24:45,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:24:45,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:24:45,654 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:24:45,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:24:45,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:24:45,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:24:45,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:24:45,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:24:45,660 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:24:45,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:24:45,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:24:45,665 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:24:45,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:24:45,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:24:45,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:24:45,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:24:45,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:24:45,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:24:45,669 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:24:45,670 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:24:45,698 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:24:45,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:24:45,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:24:45,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:24:45,702 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:24:45,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:24:45,702 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:24:45,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:24:45,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:24:45,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:24:45,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:24:45,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:24:45,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:24:45,705 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:24:45,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:24:45,705 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:24:45,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:24:45,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:24:45,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:24:45,706 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:24:45,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:24:45,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:24:45,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:24:45,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:24:45,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:24:45,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:24:45,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:24:45,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:24:45,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:24:46,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:24:46,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:24:46,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:24:46,052 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:24:46,053 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:24:46,053 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c [2019-11-07 04:24:46,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23a67b85/e883a1ff24ff4778b9c4900f6cf0aedd/FLAG630fc51b5 [2019-11-07 04:24:46,789 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:24:46,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product35.cil.c [2019-11-07 04:24:46,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23a67b85/e883a1ff24ff4778b9c4900f6cf0aedd/FLAG630fc51b5 [2019-11-07 04:24:46,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b23a67b85/e883a1ff24ff4778b9c4900f6cf0aedd [2019-11-07 04:24:46,973 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:24:46,975 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:24:46,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:24:46,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:24:46,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:24:46,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:46" (1/1) ... [2019-11-07 04:24:46,985 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c92c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:46, skipping insertion in model container [2019-11-07 04:24:46,985 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:46" (1/1) ... [2019-11-07 04:24:46,994 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:24:47,065 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:24:47,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:24:47,969 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:24:48,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:24:48,240 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:24:48,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48 WrapperNode [2019-11-07 04:24:48,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:24:48,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:24:48,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:24:48,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:24:48,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48" (1/1) ... [2019-11-07 04:24:48,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48" (1/1) ... [2019-11-07 04:24:48,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48" (1/1) ... [2019-11-07 04:24:48,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48" (1/1) ... [2019-11-07 04:24:48,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48" (1/1) ... [2019-11-07 04:24:48,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48" (1/1) ... [2019-11-07 04:24:48,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48" (1/1) ... [2019-11-07 04:24:48,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:24:48,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:24:48,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:24:48,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:24:48,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:24:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:24:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:24:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:24:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:24:48,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:24:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:24:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 04:24:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:24:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:24:48,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:24:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:24:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:24:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:24:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:24:48,594 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:24:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:24:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:24:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:24:48,595 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:24:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:24:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:24:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:24:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:24:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:24:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:24:48,596 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:24:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:24:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:24:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:24:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:24:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:24:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:24:48,597 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:24:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:24:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:24:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:24:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:24:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:24:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:24:48,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:24:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:24:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:24:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:24:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:24:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:24:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:24:48,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:24:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:24:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:24:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:24:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:24:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:24:48,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:24:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:24:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:24:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:24:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:24:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:24:48,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:24:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:24:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:24:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:24:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:24:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:24:48,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:24:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-11-07 04:24:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:24:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:24:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:24:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:24:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:24:48,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:24:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:24:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:24:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:24:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:24:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:24:48,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:24:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:24:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:24:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:24:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:24:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:24:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:24:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:24:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:24:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:24:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:24:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:24:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:24:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:24:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:24:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:24:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:24:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:24:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:24:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:24:48,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:24:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:24:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:24:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:24:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:24:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:24:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:24:48,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:24:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:24:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:24:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:24:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:24:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:24:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:24:48,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:24:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:24:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:24:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:24:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:24:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:24:48,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:24:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:24:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:24:48,611 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:24:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:24:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:24:48,611 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:24:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:24:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:24:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:24:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:24:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:24:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:24:48,612 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:24:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:24:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:24:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:24:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:24:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:24:48,613 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:24:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:24:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:24:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:24:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:24:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:24:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 04:24:48,614 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:24:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:24:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:24:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:24:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:24:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:24:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:24:48,615 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:24:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:24:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:24:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:24:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:24:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:24:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:24:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:24:48,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:24:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:24:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:24:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:24:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:24:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:24:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:24:48,617 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:24:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:24:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:24:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:24:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:24:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:24:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:24:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:24:48,618 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:24:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:24:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:24:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:24:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:24:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:24:48,619 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:24:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:24:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:24:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:24:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-11-07 04:24:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:24:48,620 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:24:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:24:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:24:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:24:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:24:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:24:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:24:48,621 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:24:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:24:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:24:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:24:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:24:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:24:48,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:24:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:24:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:24:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:24:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:24:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:24:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:24:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:24:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:24:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:24:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:24:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:24:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:24:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:24:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:24:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:24:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:24:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:24:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:24:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:24:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:24:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:24:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:24:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:24:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:24:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:24:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:24:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:24:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:24:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:24:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:24:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:24:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:24:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:24:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:24:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:24:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:24:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:24:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:24:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:24:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:24:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:24:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:24:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:24:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:24:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:24:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:24:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:24:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:24:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:24:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:24:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:24:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:24:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:24:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:24:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:24:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:24:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:24:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:24:53,417 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:24:53,417 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:24:53,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:53 BoogieIcfgContainer [2019-11-07 04:24:53,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:24:53,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:24:53,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:24:53,430 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:24:53,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:24:46" (1/3) ... [2019-11-07 04:24:53,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eeb81da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:53, skipping insertion in model container [2019-11-07 04:24:53,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:48" (2/3) ... [2019-11-07 04:24:53,432 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eeb81da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:53, skipping insertion in model container [2019-11-07 04:24:53,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:53" (3/3) ... [2019-11-07 04:24:53,437 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product35.cil.c [2019-11-07 04:24:53,448 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:24:53,462 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:24:53,483 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:24:53,529 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:24:53,529 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:24:53,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:24:53,530 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:24:53,530 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:24:53,530 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:24:53,530 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:24:53,530 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:24:53,558 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states. [2019-11-07 04:24:53,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-07 04:24:53,577 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:53,578 INFO L410 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] [2019-11-07 04:24:53,581 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:53,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:53,589 INFO L82 PathProgramCache]: Analyzing trace with hash -270206354, now seen corresponding path program 1 times [2019-11-07 04:24:53,600 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:53,600 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399204828] [2019-11-07 04:24:53,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:54,256 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399204828] [2019-11-07 04:24:54,257 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:54,257 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:24:54,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123970141] [2019-11-07 04:24:54,264 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:24:54,264 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:54,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:24:54,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:24:54,282 INFO L87 Difference]: Start difference. First operand 475 states. Second operand 2 states. [2019-11-07 04:24:54,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:54,371 INFO L93 Difference]: Finished difference Result 725 states and 866 transitions. [2019-11-07 04:24:54,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:24:54,373 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-11-07 04:24:54,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:54,394 INFO L225 Difference]: With dead ends: 725 [2019-11-07 04:24:54,394 INFO L226 Difference]: Without dead ends: 448 [2019-11-07 04:24:54,401 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:24:54,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-11-07 04:24:54,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2019-11-07 04:24:54,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-11-07 04:24:54,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 529 transitions. [2019-11-07 04:24:54,505 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 529 transitions. Word has length 152 [2019-11-07 04:24:54,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:54,508 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 529 transitions. [2019-11-07 04:24:54,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:24:54,508 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 529 transitions. [2019-11-07 04:24:54,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-07 04:24:54,515 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:54,515 INFO L410 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] [2019-11-07 04:24:54,515 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:54,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:54,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1149042658, now seen corresponding path program 1 times [2019-11-07 04:24:54,516 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:54,516 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008712043] [2019-11-07 04:24:54,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:54,755 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:54,755 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008712043] [2019-11-07 04:24:54,755 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:54,755 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:24:54,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914867026] [2019-11-07 04:24:54,758 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:24:54,758 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:54,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:24:54,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:54,759 INFO L87 Difference]: Start difference. First operand 448 states and 529 transitions. Second operand 3 states. [2019-11-07 04:24:54,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:54,881 INFO L93 Difference]: Finished difference Result 710 states and 831 transitions. [2019-11-07 04:24:54,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:24:54,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-11-07 04:24:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:54,893 INFO L225 Difference]: With dead ends: 710 [2019-11-07 04:24:54,893 INFO L226 Difference]: Without dead ends: 450 [2019-11-07 04:24:54,897 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:54,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-11-07 04:24:54,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 450. [2019-11-07 04:24:54,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-11-07 04:24:54,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 531 transitions. [2019-11-07 04:24:54,936 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 531 transitions. Word has length 153 [2019-11-07 04:24:54,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:54,936 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 531 transitions. [2019-11-07 04:24:54,936 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:24:54,937 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 531 transitions. [2019-11-07 04:24:54,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-07 04:24:54,941 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:54,941 INFO L410 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] [2019-11-07 04:24:54,941 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:54,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:54,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1628658684, now seen corresponding path program 1 times [2019-11-07 04:24:54,942 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:54,942 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138133211] [2019-11-07 04:24:54,942 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:24:55,140 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138133211] [2019-11-07 04:24:55,140 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:55,140 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:24:55,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180537686] [2019-11-07 04:24:55,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:24:55,142 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:55,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:24:55,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:55,143 INFO L87 Difference]: Start difference. First operand 450 states and 531 transitions. Second operand 3 states. [2019-11-07 04:24:55,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:24:55,229 INFO L93 Difference]: Finished difference Result 886 states and 1075 transitions. [2019-11-07 04:24:55,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:24:55,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-11-07 04:24:55,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:24:55,238 INFO L225 Difference]: With dead ends: 886 [2019-11-07 04:24:55,238 INFO L226 Difference]: Without dead ends: 494 [2019-11-07 04:24:55,242 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:24:55,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-11-07 04:24:55,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 493. [2019-11-07 04:24:55,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-11-07 04:24:55,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 605 transitions. [2019-11-07 04:24:55,325 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 605 transitions. Word has length 165 [2019-11-07 04:24:55,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:24:55,329 INFO L462 AbstractCegarLoop]: Abstraction has 493 states and 605 transitions. [2019-11-07 04:24:55,329 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:24:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 605 transitions. [2019-11-07 04:24:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-07 04:24:55,342 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:24:55,342 INFO L410 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] [2019-11-07 04:24:55,343 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:24:55,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:24:55,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1850522383, now seen corresponding path program 1 times [2019-11-07 04:24:55,344 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:24:55,346 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734121349] [2019-11-07 04:24:55,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:24:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:24:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:24:56,425 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734121349] [2019-11-07 04:24:56,426 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:24:56,426 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-11-07 04:24:56,426 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156254552] [2019-11-07 04:24:56,428 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-11-07 04:24:56,428 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:24:56,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-11-07 04:24:56,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2019-11-07 04:24:56,430 INFO L87 Difference]: Start difference. First operand 493 states and 605 transitions. Second operand 30 states. [2019-11-07 04:25:10,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:10,060 INFO L93 Difference]: Finished difference Result 1088 states and 1344 transitions. [2019-11-07 04:25:10,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-11-07 04:25:10,061 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 166 [2019-11-07 04:25:10,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:10,069 INFO L225 Difference]: With dead ends: 1088 [2019-11-07 04:25:10,069 INFO L226 Difference]: Without dead ends: 836 [2019-11-07 04:25:10,072 INFO L630 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 [2019-11-07 04:25:10,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2019-11-07 04:25:10,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 824. [2019-11-07 04:25:10,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 824 states. [2019-11-07 04:25:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1020 transitions. [2019-11-07 04:25:10,134 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1020 transitions. Word has length 166 [2019-11-07 04:25:10,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:10,138 INFO L462 AbstractCegarLoop]: Abstraction has 824 states and 1020 transitions. [2019-11-07 04:25:10,138 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-11-07 04:25:10,138 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1020 transitions. [2019-11-07 04:25:10,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-07 04:25:10,142 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:10,142 INFO L410 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] [2019-11-07 04:25:10,143 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:10,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:10,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1944425368, now seen corresponding path program 1 times [2019-11-07 04:25:10,143 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:10,144 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225717787] [2019-11-07 04:25:10,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:10,435 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:25:10,436 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225717787] [2019-11-07 04:25:10,437 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:25:10,437 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 04:25:10,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535034873] [2019-11-07 04:25:10,439 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 04:25:10,440 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:25:10,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 04:25:10,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-11-07 04:25:10,443 INFO L87 Difference]: Start difference. First operand 824 states and 1020 transitions. Second operand 10 states. [2019-11-07 04:25:10,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:25:10,527 INFO L93 Difference]: Finished difference Result 833 states and 1032 transitions. [2019-11-07 04:25:10,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 04:25:10,528 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2019-11-07 04:25:10,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:25:10,543 INFO L225 Difference]: With dead ends: 833 [2019-11-07 04:25:10,543 INFO L226 Difference]: Without dead ends: 830 [2019-11-07 04:25:10,544 INFO L630 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 [2019-11-07 04:25:10,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2019-11-07 04:25:10,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 830. [2019-11-07 04:25:10,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 830 states. [2019-11-07 04:25:10,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1027 transitions. [2019-11-07 04:25:10,682 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1027 transitions. Word has length 170 [2019-11-07 04:25:10,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:25:10,684 INFO L462 AbstractCegarLoop]: Abstraction has 830 states and 1027 transitions. [2019-11-07 04:25:10,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 04:25:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1027 transitions. [2019-11-07 04:25:10,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-07 04:25:10,691 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:25:10,691 INFO L410 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] [2019-11-07 04:25:10,691 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:25:10,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:25:10,692 INFO L82 PathProgramCache]: Analyzing trace with hash -1990360587, now seen corresponding path program 1 times [2019-11-07 04:25:10,692 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:25:10,692 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246296243] [2019-11-07 04:25:10,692 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:25:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:11,275 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 04:25:11,275 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246296243] [2019-11-07 04:25:11,275 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722782997] [2019-11-07 04:25:11,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:25:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:25:11,907 INFO L256 TraceCheckSpWp]: Trace formula consists of 3059 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:25:12,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:25:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:25:12,108 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:25:12,381 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:25:12,382 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [981586860] [2019-11-07 04:25:12,412 INFO L159 IcfgInterpreter]: Started Sifa with 157 locations of interest [2019-11-07 04:25:12,413 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:25:12,420 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:25:12,427 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:25:12,428 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs