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_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:07:41,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:07:41,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:07:41,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:07:41,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:07:41,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:07:41,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:07:41,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:07:41,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:07:41,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:07:41,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:07:41,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:07:41,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:07:41,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:07:41,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:07:41,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:07:41,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:07:41,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:07:41,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:07:41,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:07:41,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:07:41,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:07:41,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:07:41,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:07:41,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:07:41,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:07:41,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:07:41,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:07:41,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:07:41,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:07:41,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:07:41,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:07:41,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:07:41,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:07:41,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:07:41,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:07:41,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:07:41,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:07:41,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:07:41,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:07:41,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:07:41,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:07:41,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:07:41,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:07:41,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:07:41,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:07:41,667 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:07:41,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:07:41,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:07:41,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:07:41,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:07:41,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:07:41,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:07:41,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:07:41,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:07:41,670 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:07:41,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:07:41,671 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:07:41,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:07:41,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:07:41,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:07:41,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:07:41,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:07:41,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:07:41,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:07:41,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:07:41,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:07:41,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:07:41,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:07:41,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:07:41,677 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:07:41,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:07:41,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:07:41,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:07:41,947 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:07:41,947 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:07:41,948 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-10-13 23:07:42,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df63499b/17aadfdeece443328005712d80a81169/FLAGb7934e13e [2019-10-13 23:07:42,606 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:07:42,608 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-10-13 23:07:42,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df63499b/17aadfdeece443328005712d80a81169/FLAGb7934e13e [2019-10-13 23:07:42,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6df63499b/17aadfdeece443328005712d80a81169 [2019-10-13 23:07:42,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:07:42,815 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:07:42,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:07:42,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:07:42,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:07:42,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:42,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5184c565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42, skipping insertion in model container [2019-10-13 23:07:42,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:42,833 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:07:42,919 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:07:43,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:07:43,705 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:07:43,842 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:07:43,979 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:07:43,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43 WrapperNode [2019-10-13 23:07:43,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:07:43,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:07:43,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:07:43,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:07:43,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43" (1/1) ... [2019-10-13 23:07:43,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43" (1/1) ... [2019-10-13 23:07:44,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43" (1/1) ... [2019-10-13 23:07:44,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43" (1/1) ... [2019-10-13 23:07:44,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43" (1/1) ... [2019-10-13 23:07:44,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43" (1/1) ... [2019-10-13 23:07:44,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43" (1/1) ... [2019-10-13 23:07:44,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:07:44,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:07:44,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:07:44,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:07:44,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:07:44,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:07:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:07:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:07:44,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:07:44,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-13 23:07:44,354 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-13 23:07:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:07:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:07:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:07:44,355 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:07:44,356 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:07:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:07:44,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:07:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:07:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:07:44,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:07:44,361 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:07:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:07:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:07:44,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:07:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:07:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:07:44,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:07:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:07:44,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:07:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:07:44,365 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:07:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:07:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:07:44,366 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:07:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:07:44,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:07:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:07:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:07:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:07:44,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:07:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:07:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:07:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:07:44,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:07:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:07:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:07:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:07:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:07:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:07:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:07:44,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:07:44,372 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:07:44,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:07:44,372 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:07:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:07:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:07:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:07:44,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:07:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:07:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:07:44,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:07:44,375 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:07:44,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:07:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:07:44,376 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:07:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:07:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:07:44,377 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:07:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:07:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:07:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:07:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:07:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:07:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:07:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:07:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:07:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:07:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:07:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:07:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:07:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:07:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:07:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:07:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:07:44,383 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:07:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:07:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:07:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:07:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:07:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:07:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:07:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:07:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:07:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:07:44,387 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:07:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:07:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:07:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:07:44,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:07:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:07:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:07:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:07:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:07:44,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:07:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:07:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:07:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:07:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:07:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:07:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:07:44,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:07:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:07:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:07:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:07:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:07:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:07:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:07:44,391 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:07:44,392 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:07:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:07:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:07:44,392 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:07:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:07:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:07:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:07:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:07:44,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:07:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:07:44,394 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:07:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:07:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:07:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:07:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:07:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:07:44,395 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:07:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:07:44,396 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:07:44,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:07:44,399 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-13 23:07:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-13 23:07:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:07:44,403 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:07:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:07:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:07:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:07:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:07:44,404 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:07:44,405 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:07:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:07:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:07:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:07:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:07:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:07:44,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:07:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:07:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:07:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:07:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:07:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:07:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:07:44,412 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:07:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:07:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:07:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:07:44,413 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:07:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:07:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:07:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:07:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:07:44,414 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:07:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:07:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:07:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:07:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:07:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:07:44,415 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:07:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:07:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:07:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:07:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:07:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:07:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:07:44,416 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:07:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:07:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:07:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:07:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:07:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:07:44,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:07:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:07:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:07:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:07:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:07:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:07:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:07:44,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:07:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:07:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:07:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:07:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:07:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:07:44,419 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:07:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:07:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:07:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:07:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:07:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:07:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:07:44,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:07:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:07:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:07:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:07:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:07:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:07:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:07:44,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:07:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:07:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:07:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:07:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:07:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:07:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:07:44,422 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:07:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:07:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:07:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:07:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:07:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:07:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:07:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:07:44,423 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:07:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:07:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:07:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:07:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:07:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:07:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:07:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:07:44,424 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:07:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:07:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:07:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:07:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:07:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:07:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:07:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:07:44,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:07:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:07:44,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:07:48,720 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:07:48,721 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:07:48,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:48 BoogieIcfgContainer [2019-10-13 23:07:48,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:07:48,724 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:07:48,724 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:07:48,727 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:07:48,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:07:42" (1/3) ... [2019-10-13 23:07:48,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b94abfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:48, skipping insertion in model container [2019-10-13 23:07:48,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:43" (2/3) ... [2019-10-13 23:07:48,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b94abfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:48, skipping insertion in model container [2019-10-13 23:07:48,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:48" (3/3) ... [2019-10-13 23:07:48,730 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product30.cil.c [2019-10-13 23:07:48,739 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:07:48,748 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:07:48,758 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:07:48,786 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:07:48,786 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:07:48,786 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:07:48,787 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:07:48,787 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:07:48,787 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:07:48,787 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:07:48,787 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:07:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states. [2019-10-13 23:07:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 23:07:48,829 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:48,831 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:48,833 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:48,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:48,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1049029826, now seen corresponding path program 1 times [2019-10-13 23:07:48,848 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:48,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841828630] [2019-10-13 23:07:48,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:48,848 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:48,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:49,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:49,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841828630] [2019-10-13 23:07:49,417 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:49,417 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:07:49,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373433572] [2019-10-13 23:07:49,423 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:07:49,423 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:49,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:07:49,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:07:49,439 INFO L87 Difference]: Start difference. First operand 399 states. Second operand 2 states. [2019-10-13 23:07:49,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:49,503 INFO L93 Difference]: Finished difference Result 564 states and 668 transitions. [2019-10-13 23:07:49,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:07:49,504 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-13 23:07:49,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:49,523 INFO L225 Difference]: With dead ends: 564 [2019-10-13 23:07:49,523 INFO L226 Difference]: Without dead ends: 357 [2019-10-13 23:07:49,528 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:07:49,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-10-13 23:07:49,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2019-10-13 23:07:49,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-10-13 23:07:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 422 transitions. [2019-10-13 23:07:49,660 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 422 transitions. Word has length 125 [2019-10-13 23:07:49,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:49,663 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 422 transitions. [2019-10-13 23:07:49,663 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:07:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 422 transitions. [2019-10-13 23:07:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-13 23:07:49,674 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:49,674 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:49,675 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:49,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:49,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1547460294, now seen corresponding path program 1 times [2019-10-13 23:07:49,676 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:49,676 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830828634] [2019-10-13 23:07:49,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,677 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,677 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:50,039 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830828634] [2019-10-13 23:07:50,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:50,040 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:50,040 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090238904] [2019-10-13 23:07:50,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:50,047 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:50,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:50,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:50,048 INFO L87 Difference]: Start difference. First operand 357 states and 422 transitions. Second operand 3 states. [2019-10-13 23:07:50,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:50,111 INFO L93 Difference]: Finished difference Result 549 states and 639 transitions. [2019-10-13 23:07:50,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:50,113 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-13 23:07:50,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:50,126 INFO L225 Difference]: With dead ends: 549 [2019-10-13 23:07:50,126 INFO L226 Difference]: Without dead ends: 359 [2019-10-13 23:07:50,131 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:50,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-10-13 23:07:50,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2019-10-13 23:07:50,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-13 23:07:50,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 424 transitions. [2019-10-13 23:07:50,184 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 424 transitions. Word has length 126 [2019-10-13 23:07:50,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:50,185 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 424 transitions. [2019-10-13 23:07:50,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:50,185 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 424 transitions. [2019-10-13 23:07:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 23:07:50,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:50,192 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:50,192 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:50,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:50,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1154449081, now seen corresponding path program 1 times [2019-10-13 23:07:50,193 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:50,193 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021677252] [2019-10-13 23:07:50,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:50,493 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021677252] [2019-10-13 23:07:50,493 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:50,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:50,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501916404] [2019-10-13 23:07:50,496 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:50,497 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:50,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:50,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:50,497 INFO L87 Difference]: Start difference. First operand 359 states and 424 transitions. Second operand 3 states. [2019-10-13 23:07:50,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:50,548 INFO L93 Difference]: Finished difference Result 700 states and 855 transitions. [2019-10-13 23:07:50,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:50,549 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-13 23:07:50,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:50,554 INFO L225 Difference]: With dead ends: 700 [2019-10-13 23:07:50,554 INFO L226 Difference]: Without dead ends: 399 [2019-10-13 23:07:50,556 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:50,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-10-13 23:07:50,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 398. [2019-10-13 23:07:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-13 23:07:50,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 492 transitions. [2019-10-13 23:07:50,589 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 492 transitions. Word has length 135 [2019-10-13 23:07:50,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:50,590 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 492 transitions. [2019-10-13 23:07:50,591 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:50,591 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 492 transitions. [2019-10-13 23:07:50,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-13 23:07:50,595 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:50,597 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:50,597 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:50,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:50,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1505761215, now seen corresponding path program 1 times [2019-10-13 23:07:50,598 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:50,598 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389177605] [2019-10-13 23:07:50,598 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,599 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,599 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:50,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:50,778 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:50,781 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389177605] [2019-10-13 23:07:50,781 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:50,781 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:50,781 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969294291] [2019-10-13 23:07:50,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:50,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:50,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:50,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:50,783 INFO L87 Difference]: Start difference. First operand 398 states and 492 transitions. Second operand 3 states. [2019-10-13 23:07:50,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:50,816 INFO L93 Difference]: Finished difference Result 814 states and 1054 transitions. [2019-10-13 23:07:50,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:50,816 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-10-13 23:07:50,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:50,819 INFO L225 Difference]: With dead ends: 814 [2019-10-13 23:07:50,820 INFO L226 Difference]: Without dead ends: 474 [2019-10-13 23:07:50,821 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:50,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-10-13 23:07:50,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 473. [2019-10-13 23:07:50,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2019-10-13 23:07:50,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 622 transitions. [2019-10-13 23:07:50,842 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 622 transitions. Word has length 136 [2019-10-13 23:07:50,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:50,843 INFO L462 AbstractCegarLoop]: Abstraction has 473 states and 622 transitions. [2019-10-13 23:07:50,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:50,843 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 622 transitions. [2019-10-13 23:07:50,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 23:07:50,845 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:50,846 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:50,846 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:50,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:50,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1786788016, now seen corresponding path program 1 times [2019-10-13 23:07:50,847 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:50,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732283695] [2019-10-13 23:07:50,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,847 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:50,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:51,438 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 23:07:51,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732283695] [2019-10-13 23:07:51,439 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1034626397] [2019-10-13 23:07:51,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:07:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:52,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:07:52,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:07:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:52,224 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:07:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:07:52,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [206596331] [2019-10-13 23:07:52,471 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-13 23:07:52,472 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:07:52,478 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:07:52,485 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:07:52,486 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs