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_spec27_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:13:11,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:13:11,522 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:13:11,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:13:11,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:13:11,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:13:11,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:13:11,539 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:13:11,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:13:11,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:13:11,543 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:13:11,544 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:13:11,544 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:13:11,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:13:11,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:13:11,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:13:11,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:13:11,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:13:11,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:13:11,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:13:11,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:13:11,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:13:11,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:13:11,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:13:11,559 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:13:11,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:13:11,560 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:13:11,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:13:11,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:13:11,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:13:11,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:13:11,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:13:11,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:13:11,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:13:11,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:13:11,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:13:11,566 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:13:11,566 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:13:11,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:13:11,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:13:11,568 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:13:11,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:13:11,583 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:13:11,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:13:11,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:13:11,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:13:11,585 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:13:11,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:13:11,585 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:13:11,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:13:11,586 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:13:11,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:13:11,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:13:11,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:13:11,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:13:11,587 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:13:11,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:13:11,587 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:13:11,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:13:11,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:13:11,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:13:11,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:13:11,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:13:11,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:13:11,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:13:11,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:13:11,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:13:11,589 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:13:11,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:13:11,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:13:11,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:13:11,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:13:11,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:13:11,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:13:11,874 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:13:11,874 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:13:11,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product29.cil.c [2019-10-15 03:13:11,937 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7906c0d07/2276ac98556e44748b072c9c798a8e1a/FLAGe4c47d51d [2019-10-15 03:13:12,525 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:13:12,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product29.cil.c [2019-10-15 03:13:12,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7906c0d07/2276ac98556e44748b072c9c798a8e1a/FLAGe4c47d51d [2019-10-15 03:13:12,781 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7906c0d07/2276ac98556e44748b072c9c798a8e1a [2019-10-15 03:13:12,790 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:13:12,792 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:13:12,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:12,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:13:12,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:13:12,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:12" (1/1) ... [2019-10-15 03:13:12,802 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605515df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:12, skipping insertion in model container [2019-10-15 03:13:12,802 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:12" (1/1) ... [2019-10-15 03:13:12,810 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:13:12,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:13:13,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:13,704 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:13:13,870 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:13,965 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:13:13,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13 WrapperNode [2019-10-15 03:13:13,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:13,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:13:13,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:13:13,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:13:13,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13" (1/1) ... [2019-10-15 03:13:13,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13" (1/1) ... [2019-10-15 03:13:14,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13" (1/1) ... [2019-10-15 03:13:14,026 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13" (1/1) ... [2019-10-15 03:13:14,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13" (1/1) ... [2019-10-15 03:13:14,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13" (1/1) ... [2019-10-15 03:13:14,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13" (1/1) ... [2019-10-15 03:13:14,164 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:13:14,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:13:14,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:13:14,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:13:14,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:13:14,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:13:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:13:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:14,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:14,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:14,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:13:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:13:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:13:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:13:14,249 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:13:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:13:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:13:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:13:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:13:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:13:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:13:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:13:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:13:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:13:14,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:13:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:13:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:13:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:13:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:13:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:13:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:13:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:13:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:13:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:13:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:13:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:13:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:13:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:13:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:13:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:13:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:13:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:13:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:13:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:13:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:13:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:13:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:13:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:13:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:13:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:13:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:13:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:13:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:13:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:13:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:13:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:13:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:13:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:13:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:13:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:13:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:13:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:13:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:13:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:13:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:13:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:13:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:13:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:13:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:13:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:13:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:13:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:13:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:13:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:13:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:13:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:13:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:13:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:13:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:13:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:13:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:13:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:13:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:13:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:13:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:13:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:13:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:13:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:13:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:13:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:13:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:13:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:13:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:13:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:13:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:13:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:13:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:13:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:13:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:13:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:13:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:13:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:13:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:13:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:13:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:13:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:13:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:13:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:13:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:13:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:13:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:13:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:13:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:13:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:13:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:13:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:13:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-15 03:13:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:13:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:13:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:13:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:13:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:13:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:13:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:13:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:13:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:13:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:13:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:13:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:13:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:13:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:13:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:13:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:13:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:13:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:13:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:13:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:13:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:13:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:13:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:13:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:13:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:13:14,290 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:13:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:13:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:13:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:13:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:13:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:13:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:13:14,291 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:13:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:13:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:13:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:13:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:13:14,292 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:13:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:13:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:13:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:13:14,293 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:13:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:13:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:13:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:13:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:13:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:13:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:13:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:13:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:13:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:13:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:13:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:13:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:13:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:13:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:13:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:13:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:13:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:13:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:13:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:13:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:13:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:13:14,296 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:13:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:13:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:13:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:13:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:13:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:13:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:13:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:13:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:13:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:13:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:13:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:13:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:13:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:13:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:13:14,298 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:13:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:13:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:13:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:13:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:13:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:13:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:13:14,299 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:13:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:13:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:13:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:13:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:13:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:13:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:13:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:13:14,300 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:13:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:13:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:13:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:13:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:13:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:13:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:13:14,301 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:13:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:13:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:13:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-15 03:13:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:13:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:13:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:13:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:13:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:13:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:13:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:13:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:13:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:13:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:13:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:13:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:13:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:13:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:13:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:13:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:13:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:13:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:13:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:13:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:13:18,923 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:13:18,924 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:13:18,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:18 BoogieIcfgContainer [2019-10-15 03:13:18,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:13:18,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:13:18,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:13:18,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:13:18,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:13:12" (1/3) ... [2019-10-15 03:13:18,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a22a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:18, skipping insertion in model container [2019-10-15 03:13:18,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:13" (2/3) ... [2019-10-15 03:13:18,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25a22a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:18, skipping insertion in model container [2019-10-15 03:13:18,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:18" (3/3) ... [2019-10-15 03:13:18,934 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product29.cil.c [2019-10-15 03:13:18,944 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:13:18,957 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:13:18,970 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:13:19,025 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:13:19,025 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:13:19,026 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:13:19,026 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:13:19,026 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:13:19,026 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:13:19,026 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:13:19,026 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:13:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states. [2019-10-15 03:13:19,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 03:13:19,145 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:19,146 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:19,148 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:19,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:19,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1436002959, now seen corresponding path program 1 times [2019-10-15 03:13:19,165 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:19,166 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507474368] [2019-10-15 03:13:19,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:19,166 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:19,167 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:19,835 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:13:19,836 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507474368] [2019-10-15 03:13:19,837 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:19,838 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:13:19,838 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253956905] [2019-10-15 03:13:19,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:13:19,846 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:19,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:13:19,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:13:19,864 INFO L87 Difference]: Start difference. First operand 420 states. Second operand 2 states. [2019-10-15 03:13:19,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:19,975 INFO L93 Difference]: Finished difference Result 591 states and 711 transitions. [2019-10-15 03:13:19,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:13:19,977 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 172 [2019-10-15 03:13:19,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:20,013 INFO L225 Difference]: With dead ends: 591 [2019-10-15 03:13:20,013 INFO L226 Difference]: Without dead ends: 374 [2019-10-15 03:13:20,024 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:13:20,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-10-15 03:13:20,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 374. [2019-10-15 03:13:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-10-15 03:13:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 444 transitions. [2019-10-15 03:13:20,135 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 444 transitions. Word has length 172 [2019-10-15 03:13:20,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:20,137 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 444 transitions. [2019-10-15 03:13:20,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:13:20,138 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 444 transitions. [2019-10-15 03:13:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-15 03:13:20,144 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:20,145 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:20,145 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:20,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:20,146 INFO L82 PathProgramCache]: Analyzing trace with hash 89763548, now seen corresponding path program 1 times [2019-10-15 03:13:20,146 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:20,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761489917] [2019-10-15 03:13:20,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:20,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:20,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:20,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:20,405 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:13:20,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761489917] [2019-10-15 03:13:20,406 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:20,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:20,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219616] [2019-10-15 03:13:20,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:20,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:20,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:20,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:20,409 INFO L87 Difference]: Start difference. First operand 374 states and 444 transitions. Second operand 3 states. [2019-10-15 03:13:20,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:20,458 INFO L93 Difference]: Finished difference Result 576 states and 675 transitions. [2019-10-15 03:13:20,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:20,459 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-10-15 03:13:20,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:20,466 INFO L225 Difference]: With dead ends: 576 [2019-10-15 03:13:20,467 INFO L226 Difference]: Without dead ends: 376 [2019-10-15 03:13:20,469 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:20,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-10-15 03:13:20,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 376. [2019-10-15 03:13:20,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-10-15 03:13:20,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 446 transitions. [2019-10-15 03:13:20,560 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 446 transitions. Word has length 173 [2019-10-15 03:13:20,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:20,561 INFO L462 AbstractCegarLoop]: Abstraction has 376 states and 446 transitions. [2019-10-15 03:13:20,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:20,561 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 446 transitions. [2019-10-15 03:13:20,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-15 03:13:20,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:20,566 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:20,566 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:20,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:20,566 INFO L82 PathProgramCache]: Analyzing trace with hash -494706049, now seen corresponding path program 1 times [2019-10-15 03:13:20,567 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:20,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877968683] [2019-10-15 03:13:20,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:20,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:20,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:20,772 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:13:20,773 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877968683] [2019-10-15 03:13:20,773 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:20,773 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:20,774 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527269357] [2019-10-15 03:13:20,778 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:20,779 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:20,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:20,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:20,780 INFO L87 Difference]: Start difference. First operand 376 states and 446 transitions. Second operand 3 states. [2019-10-15 03:13:20,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:20,843 INFO L93 Difference]: Finished difference Result 734 states and 899 transitions. [2019-10-15 03:13:20,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:20,844 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-15 03:13:20,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:20,852 INFO L225 Difference]: With dead ends: 734 [2019-10-15 03:13:20,852 INFO L226 Difference]: Without dead ends: 416 [2019-10-15 03:13:20,855 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:20,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2019-10-15 03:13:20,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 415. [2019-10-15 03:13:20,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2019-10-15 03:13:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 514 transitions. [2019-10-15 03:13:20,897 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 514 transitions. Word has length 178 [2019-10-15 03:13:20,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:20,898 INFO L462 AbstractCegarLoop]: Abstraction has 415 states and 514 transitions. [2019-10-15 03:13:20,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 514 transitions. [2019-10-15 03:13:20,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-15 03:13:20,906 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:20,907 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:20,907 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:20,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:20,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1430160923, now seen corresponding path program 1 times [2019-10-15 03:13:20,908 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:20,908 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268622369] [2019-10-15 03:13:20,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:20,908 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:20,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:13:21,901 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268622369] [2019-10-15 03:13:21,901 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:21,901 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-15 03:13:21,901 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150453530] [2019-10-15 03:13:21,902 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-15 03:13:21,902 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:21,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-15 03:13:21,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2019-10-15 03:13:21,904 INFO L87 Difference]: Start difference. First operand 415 states and 514 transitions. Second operand 28 states. [2019-10-15 03:13:30,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:30,328 INFO L93 Difference]: Finished difference Result 898 states and 1120 transitions. [2019-10-15 03:13:30,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-15 03:13:30,328 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 179 [2019-10-15 03:13:30,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:30,336 INFO L225 Difference]: With dead ends: 898 [2019-10-15 03:13:30,336 INFO L226 Difference]: Without dead ends: 706 [2019-10-15 03:13:30,338 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=178, Invalid=2078, Unknown=0, NotChecked=0, Total=2256 [2019-10-15 03:13:30,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2019-10-15 03:13:30,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 677. [2019-10-15 03:13:30,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 677 states. [2019-10-15 03:13:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 844 transitions. [2019-10-15 03:13:30,421 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 844 transitions. Word has length 179 [2019-10-15 03:13:30,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:30,422 INFO L462 AbstractCegarLoop]: Abstraction has 677 states and 844 transitions. [2019-10-15 03:13:30,422 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-15 03:13:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 844 transitions. [2019-10-15 03:13:30,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-15 03:13:30,426 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:30,427 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:30,427 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:30,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:30,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1590483871, now seen corresponding path program 1 times [2019-10-15 03:13:30,428 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:30,428 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929806617] [2019-10-15 03:13:30,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:30,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:30,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:13:30,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929806617] [2019-10-15 03:13:30,647 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:30,647 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:13:30,647 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302346292] [2019-10-15 03:13:30,648 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:13:30,648 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:30,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:13:30,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:13:30,650 INFO L87 Difference]: Start difference. First operand 677 states and 844 transitions. Second operand 10 states. [2019-10-15 03:13:30,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:30,719 INFO L93 Difference]: Finished difference Result 1131 states and 1422 transitions. [2019-10-15 03:13:30,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:13:30,719 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 183 [2019-10-15 03:13:30,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:30,725 INFO L225 Difference]: With dead ends: 1131 [2019-10-15 03:13:30,725 INFO L226 Difference]: Without dead ends: 697 [2019-10-15 03:13:30,727 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:13:30,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2019-10-15 03:13:30,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 681. [2019-10-15 03:13:30,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 681 states. [2019-10-15 03:13:30,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 847 transitions. [2019-10-15 03:13:30,763 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 847 transitions. Word has length 183 [2019-10-15 03:13:30,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:30,764 INFO L462 AbstractCegarLoop]: Abstraction has 681 states and 847 transitions. [2019-10-15 03:13:30,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:13:30,764 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 847 transitions. [2019-10-15 03:13:30,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-15 03:13:30,768 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:30,768 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:30,768 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:30,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:30,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1833101563, now seen corresponding path program 1 times [2019-10-15 03:13:30,769 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:30,769 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894446403] [2019-10-15 03:13:30,770 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:30,770 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:30,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:13:31,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894446403] [2019-10-15 03:13:31,846 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:31,846 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2019-10-15 03:13:31,846 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295326875] [2019-10-15 03:13:31,847 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-15 03:13:31,847 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:31,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-15 03:13:31,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2019-10-15 03:13:31,848 INFO L87 Difference]: Start difference. First operand 681 states and 847 transitions. Second operand 31 states. [2019-10-15 03:13:44,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:44,399 INFO L93 Difference]: Finished difference Result 1693 states and 2128 transitions. [2019-10-15 03:13:44,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-15 03:13:44,402 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 185 [2019-10-15 03:13:44,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:44,411 INFO L225 Difference]: With dead ends: 1693 [2019-10-15 03:13:44,411 INFO L226 Difference]: Without dead ends: 1251 [2019-10-15 03:13:44,415 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=295, Invalid=3487, Unknown=0, NotChecked=0, Total=3782 [2019-10-15 03:13:44,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2019-10-15 03:13:44,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1231. [2019-10-15 03:13:44,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2019-10-15 03:13:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1552 transitions. [2019-10-15 03:13:44,545 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1552 transitions. Word has length 185 [2019-10-15 03:13:44,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:44,546 INFO L462 AbstractCegarLoop]: Abstraction has 1231 states and 1552 transitions. [2019-10-15 03:13:44,546 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-15 03:13:44,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1552 transitions. [2019-10-15 03:13:44,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-10-15 03:13:44,551 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:44,551 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:44,551 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:44,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:44,552 INFO L82 PathProgramCache]: Analyzing trace with hash 88231048, now seen corresponding path program 1 times [2019-10-15 03:13:44,552 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:44,552 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369688426] [2019-10-15 03:13:44,552 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:44,552 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:44,553 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:13:45,190 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369688426] [2019-10-15 03:13:45,190 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:45,191 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-15 03:13:45,191 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682737573] [2019-10-15 03:13:45,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-15 03:13:45,191 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:45,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-15 03:13:45,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=635, Unknown=0, NotChecked=0, Total=702 [2019-10-15 03:13:45,192 INFO L87 Difference]: Start difference. First operand 1231 states and 1552 transitions. Second operand 27 states.