java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:16:40,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:16:40,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:16:40,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:16:40,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:16:40,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:16:40,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:16:40,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:16:40,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:16:40,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:16:40,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:16:40,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:16:40,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:16:40,502 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:16:40,503 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:16:40,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:16:40,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:16:40,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:16:40,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:16:40,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:16:40,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:16:40,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:16:40,513 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:16:40,513 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:16:40,516 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:16:40,516 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:16:40,516 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:16:40,517 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:16:40,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:16:40,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:16:40,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:16:40,519 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:16:40,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:16:40,521 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:16:40,522 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:16:40,522 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:16:40,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:16:40,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:16:40,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:16:40,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:16:40,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:16:40,525 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:16:40,539 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:16:40,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:16:40,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:16:40,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:16:40,541 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:16:40,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:16:40,541 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:16:40,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:16:40,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:16:40,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:16:40,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:16:40,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:16:40,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:16:40,542 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:16:40,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:16:40,543 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:16:40,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:16:40,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:16:40,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:16:40,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:16:40,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:16:40,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:40,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:16:40,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:16:40,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:16:40,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:16:40,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:16:40,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:16:40,545 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:16:40,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:16:40,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:16:40,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:16:40,871 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:16:40,871 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:16:40,872 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product32.cil.c [2019-10-15 03:16:40,949 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35bd5bd2/046c8def4e3f4e2cb8beab191e0a465e/FLAG959f595a5 [2019-10-15 03:16:41,645 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:16:41,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product32.cil.c [2019-10-15 03:16:41,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35bd5bd2/046c8def4e3f4e2cb8beab191e0a465e/FLAG959f595a5 [2019-10-15 03:16:41,823 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f35bd5bd2/046c8def4e3f4e2cb8beab191e0a465e [2019-10-15 03:16:41,833 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:16:41,835 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:16:41,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:41,836 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:16:41,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:16:41,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:41" (1/1) ... [2019-10-15 03:16:41,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a79ae4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:41, skipping insertion in model container [2019-10-15 03:16:41,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:41" (1/1) ... [2019-10-15 03:16:41,852 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:16:41,932 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:16:42,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:42,654 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:16:42,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:42,878 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:16:42,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42 WrapperNode [2019-10-15 03:16:42,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:42,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:16:42,881 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:16:42,881 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:16:42,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42" (1/1) ... [2019-10-15 03:16:42,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42" (1/1) ... [2019-10-15 03:16:42,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42" (1/1) ... [2019-10-15 03:16:42,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42" (1/1) ... [2019-10-15 03:16:42,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42" (1/1) ... [2019-10-15 03:16:43,017 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42" (1/1) ... [2019-10-15 03:16:43,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42" (1/1) ... [2019-10-15 03:16:43,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:16:43,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:16:43,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:16:43,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:16:43,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:16:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:16:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:16:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:16:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:16:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:16:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:16:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:16:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:16:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:16:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:16:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:16:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:16:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:16:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:16:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:16:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:16:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:16:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:16:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:16:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:16:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:16:43,128 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:16:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:16:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:16:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:16:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:16:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:16:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:16:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:16:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:16:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:16:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:16:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:16:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:16:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:16:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:16:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:16:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:16:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:16:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:16:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:16:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:16:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:16:43,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:16:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:16:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:16:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:16:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:16:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:16:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:16:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:16:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:16:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:16:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:16:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:16:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:16:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:16:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:16:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:16:43,135 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:16:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:16:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:16:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:16:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:16:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:16:43,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:16:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:16:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:16:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:16:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:16:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:16:43,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:16:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:16:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:16:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:16:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:16:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:16:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:16:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:16:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:16:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:16:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:16:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:16:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:16:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:16:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:16:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:16:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:16:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:16:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:16:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:16:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:16:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:16:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:16:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:16:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:16:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:16:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:16:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:16:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:16:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:16:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:16:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:16:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:16:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:16:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:16:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:16:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:16:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:16:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:16:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:16:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:16:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:16:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:16:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:16:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:16:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:16:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:16:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:16:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:16:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:16:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:16:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:16:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:16:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:16:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:16:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:16:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:16:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:16:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:16:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:16:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:16:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:16:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:16:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:16:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:16:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:16:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:16:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:16:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:16:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:16:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:16:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:16:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:16:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:16:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:16:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:16:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:16:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:16:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:16:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:16:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:16:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:16:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:16:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:16:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:16:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:16:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:16:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:16:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:16:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:16:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:16:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:16:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:16:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:16:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:16:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:16:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:16:43,152 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:16:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:16:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:16:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:16:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:16:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:16:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:16:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:16:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:16:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:16:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:16:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:16:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:16:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:16:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:16:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:16:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:16:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:16:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:16:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:16:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:16:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:16:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:16:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:16:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:16:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:16:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:16:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:16:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:16:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:16:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:16:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:16:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:16:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:16:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:16:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:16:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:16:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:16:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:16:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:16:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:16:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:16:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:16:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:16:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:16:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:16:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:16:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:16:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:16:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:16:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:16:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:16:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:16:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:16:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:16:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:16:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:16:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:16:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:16:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:16:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:16:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:16:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:16:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:16:47,904 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:16:47,905 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:16:47,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:47 BoogieIcfgContainer [2019-10-15 03:16:47,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:16:47,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:16:47,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:16:47,911 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:16:47,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:16:41" (1/3) ... [2019-10-15 03:16:47,912 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ac44be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:47, skipping insertion in model container [2019-10-15 03:16:47,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:42" (2/3) ... [2019-10-15 03:16:47,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38ac44be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:47, skipping insertion in model container [2019-10-15 03:16:47,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:47" (3/3) ... [2019-10-15 03:16:47,915 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product32.cil.c [2019-10-15 03:16:47,925 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:16:47,935 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:16:47,947 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:16:47,987 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:16:47,987 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:16:47,987 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:16:47,987 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:16:47,988 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:16:47,988 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:16:47,988 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:16:47,988 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:16:48,034 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states. [2019-10-15 03:16:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-15 03:16:48,063 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:48,064 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:48,067 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:48,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:48,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1321734275, now seen corresponding path program 1 times [2019-10-15 03:16:48,081 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:48,081 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877087907] [2019-10-15 03:16:48,081 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:48,082 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:48,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:48,659 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:48,660 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877087907] [2019-10-15 03:16:48,661 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:48,661 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:16:48,662 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071546222] [2019-10-15 03:16:48,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:16:48,668 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:48,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:16:48,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:16:48,685 INFO L87 Difference]: Start difference. First operand 440 states. Second operand 2 states. [2019-10-15 03:16:48,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:48,757 INFO L93 Difference]: Finished difference Result 620 states and 741 transitions. [2019-10-15 03:16:48,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:16:48,759 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-15 03:16:48,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:48,789 INFO L225 Difference]: With dead ends: 620 [2019-10-15 03:16:48,789 INFO L226 Difference]: Without dead ends: 392 [2019-10-15 03:16:48,803 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:16:48,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-10-15 03:16:48,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2019-10-15 03:16:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-10-15 03:16:48,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 463 transitions. [2019-10-15 03:16:48,950 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 463 transitions. Word has length 152 [2019-10-15 03:16:48,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:48,952 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 463 transitions. [2019-10-15 03:16:48,952 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:16:48,953 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 463 transitions. [2019-10-15 03:16:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 03:16:48,959 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:48,960 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:48,960 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:48,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:48,961 INFO L82 PathProgramCache]: Analyzing trace with hash -397632677, now seen corresponding path program 1 times [2019-10-15 03:16:48,961 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:48,961 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35203311] [2019-10-15 03:16:48,961 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:48,961 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:48,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:49,280 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:49,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35203311] [2019-10-15 03:16:49,281 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:49,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:49,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594968646] [2019-10-15 03:16:49,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:49,286 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:49,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:49,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:49,286 INFO L87 Difference]: Start difference. First operand 392 states and 463 transitions. Second operand 3 states. [2019-10-15 03:16:49,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:49,368 INFO L93 Difference]: Finished difference Result 605 states and 706 transitions. [2019-10-15 03:16:49,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:49,369 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-15 03:16:49,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:49,381 INFO L225 Difference]: With dead ends: 605 [2019-10-15 03:16:49,382 INFO L226 Difference]: Without dead ends: 394 [2019-10-15 03:16:49,385 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:49,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2019-10-15 03:16:49,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2019-10-15 03:16:49,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-10-15 03:16:49,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 465 transitions. [2019-10-15 03:16:49,426 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 465 transitions. Word has length 153 [2019-10-15 03:16:49,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:49,428 INFO L462 AbstractCegarLoop]: Abstraction has 394 states and 465 transitions. [2019-10-15 03:16:49,428 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 465 transitions. [2019-10-15 03:16:49,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-15 03:16:49,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:49,435 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] [2019-10-15 03:16:49,435 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:49,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:49,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1011197803, now seen corresponding path program 1 times [2019-10-15 03:16:49,436 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:49,436 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372794749] [2019-10-15 03:16:49,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:49,704 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:49,705 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372794749] [2019-10-15 03:16:49,705 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:49,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:49,706 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333000573] [2019-10-15 03:16:49,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:49,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:49,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:49,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:49,707 INFO L87 Difference]: Start difference. First operand 394 states and 465 transitions. Second operand 3 states. [2019-10-15 03:16:49,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:49,761 INFO L93 Difference]: Finished difference Result 772 states and 940 transitions. [2019-10-15 03:16:49,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:49,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-15 03:16:49,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:49,770 INFO L225 Difference]: With dead ends: 772 [2019-10-15 03:16:49,770 INFO L226 Difference]: Without dead ends: 436 [2019-10-15 03:16:49,773 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:49,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2019-10-15 03:16:49,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 435. [2019-10-15 03:16:49,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-15 03:16:49,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 536 transitions. [2019-10-15 03:16:49,815 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 536 transitions. Word has length 162 [2019-10-15 03:16:49,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:49,817 INFO L462 AbstractCegarLoop]: Abstraction has 435 states and 536 transitions. [2019-10-15 03:16:49,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:49,818 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 536 transitions. [2019-10-15 03:16:49,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-15 03:16:49,825 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:49,826 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] [2019-10-15 03:16:49,826 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:49,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:49,827 INFO L82 PathProgramCache]: Analyzing trace with hash -934147733, now seen corresponding path program 1 times [2019-10-15 03:16:49,827 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:49,830 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697252728] [2019-10-15 03:16:49,831 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,831 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,832 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:50,063 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697252728] [2019-10-15 03:16:50,063 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:50,064 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:50,064 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647968746] [2019-10-15 03:16:50,065 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:50,065 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:50,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:50,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:50,066 INFO L87 Difference]: Start difference. First operand 435 states and 536 transitions. Second operand 3 states. [2019-10-15 03:16:50,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:50,101 INFO L93 Difference]: Finished difference Result 892 states and 1148 transitions. [2019-10-15 03:16:50,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:50,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-10-15 03:16:50,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:50,107 INFO L225 Difference]: With dead ends: 892 [2019-10-15 03:16:50,108 INFO L226 Difference]: Without dead ends: 515 [2019-10-15 03:16:50,109 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:50,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2019-10-15 03:16:50,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 514. [2019-10-15 03:16:50,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 514 states. [2019-10-15 03:16:50,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 672 transitions. [2019-10-15 03:16:50,144 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 672 transitions. Word has length 163 [2019-10-15 03:16:50,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:50,145 INFO L462 AbstractCegarLoop]: Abstraction has 514 states and 672 transitions. [2019-10-15 03:16:50,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:50,145 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 672 transitions. [2019-10-15 03:16:50,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-15 03:16:50,149 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:50,149 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] [2019-10-15 03:16:50,150 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:50,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:50,150 INFO L82 PathProgramCache]: Analyzing trace with hash -424785483, now seen corresponding path program 1 times [2019-10-15 03:16:50,150 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:50,151 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685702865] [2019-10-15 03:16:50,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:50,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:50,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:50,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685702865] [2019-10-15 03:16:50,300 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:50,300 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:50,300 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720186140] [2019-10-15 03:16:50,301 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:50,301 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:50,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:50,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:50,302 INFO L87 Difference]: Start difference. First operand 514 states and 672 transitions. Second operand 3 states. [2019-10-15 03:16:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:50,334 INFO L93 Difference]: Finished difference Result 1123 states and 1546 transitions. [2019-10-15 03:16:50,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:50,335 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2019-10-15 03:16:50,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:50,339 INFO L225 Difference]: With dead ends: 1123 [2019-10-15 03:16:50,340 INFO L226 Difference]: Without dead ends: 667 [2019-10-15 03:16:50,342 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:50,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2019-10-15 03:16:50,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 666. [2019-10-15 03:16:50,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 666 states. [2019-10-15 03:16:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 666 states to 666 states and 932 transitions. [2019-10-15 03:16:50,385 INFO L78 Accepts]: Start accepts. Automaton has 666 states and 932 transitions. Word has length 164 [2019-10-15 03:16:50,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:50,386 INFO L462 AbstractCegarLoop]: Abstraction has 666 states and 932 transitions. [2019-10-15 03:16:50,386 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:50,386 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 932 transitions. [2019-10-15 03:16:50,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-15 03:16:50,391 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:50,392 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:50,392 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:50,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:50,393 INFO L82 PathProgramCache]: Analyzing trace with hash 2020598056, now seen corresponding path program 1 times [2019-10-15 03:16:50,393 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:50,393 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918224531] [2019-10-15 03:16:50,394 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:50,394 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:50,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:51,251 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:16:51,251 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918224531] [2019-10-15 03:16:51,252 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:51,252 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-15 03:16:51,252 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282169125] [2019-10-15 03:16:51,253 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-15 03:16:51,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:51,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-15 03:16:51,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:16:51,254 INFO L87 Difference]: Start difference. First operand 666 states and 932 transitions. Second operand 30 states. [2019-10-15 03:17:00,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:00,985 INFO L93 Difference]: Finished difference Result 1163 states and 1551 transitions. [2019-10-15 03:17:00,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-15 03:17:00,986 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 166 [2019-10-15 03:17:00,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:00,992 INFO L225 Difference]: With dead ends: 1163 [2019-10-15 03:17:00,993 INFO L226 Difference]: Without dead ends: 960 [2019-10-15 03:17:00,995 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=2171, Unknown=0, NotChecked=0, Total=2352 [2019-10-15 03:17:00,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2019-10-15 03:17:01,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 948. [2019-10-15 03:17:01,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2019-10-15 03:17:01,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1287 transitions. [2019-10-15 03:17:01,049 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1287 transitions. Word has length 166 [2019-10-15 03:17:01,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:01,050 INFO L462 AbstractCegarLoop]: Abstraction has 948 states and 1287 transitions. [2019-10-15 03:17:01,050 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-15 03:17:01,050 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1287 transitions. [2019-10-15 03:17:01,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-15 03:17:01,055 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:01,055 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:01,055 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:01,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:01,056 INFO L82 PathProgramCache]: Analyzing trace with hash 70872551, now seen corresponding path program 1 times [2019-10-15 03:17:01,056 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:01,056 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679080598] [2019-10-15 03:17:01,056 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:01,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:01,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:17:01,276 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679080598] [2019-10-15 03:17:01,276 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:01,276 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:17:01,277 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727702563] [2019-10-15 03:17:01,277 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:17:01,277 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:01,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:17:01,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:17:01,278 INFO L87 Difference]: Start difference. First operand 948 states and 1287 transitions. Second operand 10 states. [2019-10-15 03:17:01,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:01,340 INFO L93 Difference]: Finished difference Result 957 states and 1298 transitions. [2019-10-15 03:17:01,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:17:01,340 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2019-10-15 03:17:01,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:01,346 INFO L225 Difference]: With dead ends: 957 [2019-10-15 03:17:01,347 INFO L226 Difference]: Without dead ends: 954 [2019-10-15 03:17:01,348 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:17:01,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2019-10-15 03:17:01,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2019-10-15 03:17:01,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2019-10-15 03:17:01,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1293 transitions. [2019-10-15 03:17:01,392 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1293 transitions. Word has length 170 [2019-10-15 03:17:01,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:01,393 INFO L462 AbstractCegarLoop]: Abstraction has 954 states and 1293 transitions. [2019-10-15 03:17:01,393 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:17:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1293 transitions. [2019-10-15 03:17:01,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 03:17:01,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:01,398 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:01,398 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:01,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:01,398 INFO L82 PathProgramCache]: Analyzing trace with hash 1041453392, now seen corresponding path program 1 times [2019-10-15 03:17:01,399 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:01,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138764484] [2019-10-15 03:17:01,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:01,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:01,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:17:01,804 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138764484] [2019-10-15 03:17:01,804 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:01,805 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-15 03:17:01,805 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985848498] [2019-10-15 03:17:01,806 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-15 03:17:01,806 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:01,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-15 03:17:01,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2019-10-15 03:17:01,807 INFO L87 Difference]: Start difference. First operand 954 states and 1293 transitions. Second operand 16 states. [2019-10-15 03:17:05,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:05,626 INFO L93 Difference]: Finished difference Result 1888 states and 2499 transitions. [2019-10-15 03:17:05,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-15 03:17:05,627 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 172 [2019-10-15 03:17:05,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:05,637 INFO L225 Difference]: With dead ends: 1888 [2019-10-15 03:17:05,637 INFO L226 Difference]: Without dead ends: 1680 [2019-10-15 03:17:05,640 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:17:05,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2019-10-15 03:17:05,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1619. [2019-10-15 03:17:05,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1619 states. [2019-10-15 03:17:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2158 transitions. [2019-10-15 03:17:05,785 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2158 transitions. Word has length 172 [2019-10-15 03:17:05,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:05,786 INFO L462 AbstractCegarLoop]: Abstraction has 1619 states and 2158 transitions. [2019-10-15 03:17:05,786 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-15 03:17:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2158 transitions. [2019-10-15 03:17:05,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-15 03:17:05,792 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:05,792 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, 1] [2019-10-15 03:17:05,793 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:05,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:05,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1339166046, now seen corresponding path program 1 times [2019-10-15 03:17:05,793 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:05,793 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618919789] [2019-10-15 03:17:05,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:05,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:05,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:06,311 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-10-15 03:17:06,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618919789] [2019-10-15 03:17:06,312 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496595246] [2019-10-15 03:17:06,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:17:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:06,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 3070 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:17:06,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:17:07,061 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:17:07,062 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:17:07,351 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:17:07,352 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2049050324] [2019-10-15 03:17:07,388 INFO L162 IcfgInterpreter]: Started Sifa with 169 locations of interest [2019-10-15 03:17:07,389 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:17:07,400 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:17:07,416 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:17:07,417 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs