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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:13:42,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:13:42,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:13:42,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:13:42,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:13:42,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:13:42,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:13:42,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:13:42,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:13:42,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:13:42,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:13:42,883 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:13:42,884 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:13:42,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:13:42,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:13:42,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:13:42,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:13:42,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:13:42,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:13:42,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:13:42,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:13:42,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:13:42,897 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:13:42,898 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:13:42,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:13:42,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:13:42,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:13:42,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:13:42,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:13:42,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:13:42,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:13:42,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:13:42,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:13:42,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:13:42,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:13:42,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:13:42,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:13:42,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:13:42,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:13:42,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:13:42,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:13:42,914 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 03:13:42,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:13:42,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:13:42,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:13:42,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:13:42,934 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:13:42,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:13:42,935 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:13:42,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:13:42,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:13:42,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:13:42,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:13:42,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:13:42,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:13:42,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:13:42,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:13:42,937 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:13:42,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:13:42,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:13:42,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:13:42,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:13:42,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:13:42,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:13:42,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:13:42,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:13:42,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:13:42,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:13:42,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:13:42,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:13:42,940 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 03:13:43,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:13:43,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:13:43,248 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:13:43,250 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:13:43,250 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:13:43,251 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product33.cil.c [2019-10-15 03:13:43,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8883874/43d91a8b25604143ad59e732a4f849e5/FLAGfee3abdc5 [2019-10-15 03:13:43,940 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:13:43,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product33.cil.c [2019-10-15 03:13:43,959 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8883874/43d91a8b25604143ad59e732a4f849e5/FLAGfee3abdc5 [2019-10-15 03:13:44,186 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8883874/43d91a8b25604143ad59e732a4f849e5 [2019-10-15 03:13:44,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:13:44,195 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:13:44,196 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:44,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:13:44,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:13:44,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:44" (1/1) ... [2019-10-15 03:13:44,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a202d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:44, skipping insertion in model container [2019-10-15 03:13:44,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:44" (1/1) ... [2019-10-15 03:13:44,211 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:13:44,291 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:13:44,974 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:44,991 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:13:45,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:45,221 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:13:45,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45 WrapperNode [2019-10-15 03:13:45,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:45,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:13:45,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:13:45,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:13:45,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45" (1/1) ... [2019-10-15 03:13:45,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45" (1/1) ... [2019-10-15 03:13:45,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45" (1/1) ... [2019-10-15 03:13:45,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45" (1/1) ... [2019-10-15 03:13:45,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45" (1/1) ... [2019-10-15 03:13:45,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45" (1/1) ... [2019-10-15 03:13:45,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45" (1/1) ... [2019-10-15 03:13:45,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:13:45,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:13:45,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:13:45,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:13:45,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:13:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:13:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:13:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:13:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:13:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:13:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:13:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:13:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:13:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:13:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:13:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:45,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:13:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:13:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:13:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:13:45,499 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:13:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:13:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:13:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:13:45,500 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:13:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:13:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:13:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:13:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:13:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:13:45,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:13:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:13:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:13:45,502 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-15 03:13:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:13:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:13:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:13:45,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:13:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:13:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:13:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:13:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-15 03:13:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:13:45,504 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:13:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:13:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:13:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:13:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:13:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:13:45,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:13:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:13:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:13:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:13:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:13:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:13:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:13:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:13:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:13:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:13:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:13:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:13:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:13:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:13:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:13:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:13:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:13:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:13:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:13:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:13:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:13:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:13:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:13:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:13:45,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:13:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:13:45,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:13:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:13:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:13:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:13:45,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:13:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:13:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:13:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:13:45,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:13:45,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:13:45,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:13:45,515 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:13:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:13:45,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:13:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:13:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:13:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:13:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:13:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:13:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:13:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:13:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:13:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:13:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:13:45,518 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:13:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:13:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:13:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:13:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:13:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:13:45,519 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:13:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:13:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:13:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:13:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:13:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:13:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:13:45,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:13:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:13:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:13:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:13:45,521 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:13:45,522 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:13:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:13:45,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:13:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:13:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:13:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:13:45,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:13:45,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:13:45,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:13:45,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:13:45,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:13:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:13:45,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:13:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:13:45,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:45,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:13:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:45,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:13:45,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:13:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:13:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:13:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:13:45,534 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:13:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:13:45,535 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:13:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:13:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:13:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:13:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:13:45,544 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:13:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:13:45,545 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:13:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:13:45,546 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:13:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:13:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:13:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:13:45,547 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:13:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:13:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:13:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:13:45,548 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:13:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:13:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:13:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:13:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:13:45,549 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:13:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:13:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:13:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:13:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:13:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:13:45,550 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:13:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:13:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:13:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:13:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:13:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:13:45,551 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:13:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:13:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:13:45,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:13:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:13:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:13:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:13:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:13:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:13:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:13:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:13:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:13:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:13:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:13:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:13:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:13:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:13:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-15 03:13:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:13:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:13:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:13:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-15 03:13:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:13:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:13:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:13:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:13:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:13:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:13:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:13:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:13:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:13:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:13:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:13:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:13:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:13:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:13:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:13:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:13:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:13:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:13:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:13:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:13:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:13:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:13:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:13:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:13:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:13:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:13:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:13:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:13:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:13:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:13:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:13:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:13:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:13:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:13:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:13:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:13:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:13:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:13:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:13:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:13:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:13:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:13:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:13:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:13:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:13:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:13:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:13:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:13:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:13:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:13:50,450 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:13:50,451 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:13:50,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:50 BoogieIcfgContainer [2019-10-15 03:13:50,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:13:50,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:13:50,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:13:50,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:13:50,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:13:44" (1/3) ... [2019-10-15 03:13:50,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750f9ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:50, skipping insertion in model container [2019-10-15 03:13:50,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:45" (2/3) ... [2019-10-15 03:13:50,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@750f9ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:50, skipping insertion in model container [2019-10-15 03:13:50,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:50" (3/3) ... [2019-10-15 03:13:50,473 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product33.cil.c [2019-10-15 03:13:50,484 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:13:50,496 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:13:50,508 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:13:50,548 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:13:50,551 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:13:50,551 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:13:50,552 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:13:50,552 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:13:50,552 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:13:50,552 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:13:50,552 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:13:50,597 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states. [2019-10-15 03:13:50,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-15 03:13:50,617 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:50,618 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] [2019-10-15 03:13:50,620 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:50,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:50,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1653884291, now seen corresponding path program 1 times [2019-10-15 03:13:50,637 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:50,637 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449851023] [2019-10-15 03:13:50,637 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:50,638 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:50,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:51,417 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 03:13:51,418 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449851023] [2019-10-15 03:13:51,419 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:51,420 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:13:51,420 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528266006] [2019-10-15 03:13:51,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:13:51,428 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:51,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:13:51,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:13:51,446 INFO L87 Difference]: Start difference. First operand 436 states. Second operand 2 states. [2019-10-15 03:13:51,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:51,560 INFO L93 Difference]: Finished difference Result 673 states and 805 transitions. [2019-10-15 03:13:51,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:13:51,562 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 169 [2019-10-15 03:13:51,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:51,599 INFO L225 Difference]: With dead ends: 673 [2019-10-15 03:13:51,600 INFO L226 Difference]: Without dead ends: 415 [2019-10-15 03:13:51,612 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 03:13:51,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-10-15 03:13:51,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2019-10-15 03:13:51,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2019-10-15 03:13:51,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 491 transitions. [2019-10-15 03:13:51,738 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 491 transitions. Word has length 169 [2019-10-15 03:13:51,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:51,741 INFO L462 AbstractCegarLoop]: Abstraction has 415 states and 491 transitions. [2019-10-15 03:13:51,741 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:13:51,741 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 491 transitions. [2019-10-15 03:13:51,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-15 03:13:51,747 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:51,748 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 03:13:51,748 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:51,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:51,748 INFO L82 PathProgramCache]: Analyzing trace with hash 431401882, now seen corresponding path program 1 times [2019-10-15 03:13:51,749 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:51,749 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456613474] [2019-10-15 03:13:51,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:51,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:51,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:52,116 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 03:13:52,117 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456613474] [2019-10-15 03:13:52,117 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:52,117 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:52,117 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381031677] [2019-10-15 03:13:52,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:52,121 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:52,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:52,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:52,122 INFO L87 Difference]: Start difference. First operand 415 states and 491 transitions. Second operand 3 states. [2019-10-15 03:13:52,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:52,183 INFO L93 Difference]: Finished difference Result 658 states and 770 transitions. [2019-10-15 03:13:52,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:52,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-10-15 03:13:52,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:52,192 INFO L225 Difference]: With dead ends: 658 [2019-10-15 03:13:52,193 INFO L226 Difference]: Without dead ends: 417 [2019-10-15 03:13:52,198 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 03:13:52,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-15 03:13:52,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2019-10-15 03:13:52,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 417 states. [2019-10-15 03:13:52,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 493 transitions. [2019-10-15 03:13:52,263 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 493 transitions. Word has length 170 [2019-10-15 03:13:52,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:52,264 INFO L462 AbstractCegarLoop]: Abstraction has 417 states and 493 transitions. [2019-10-15 03:13:52,265 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 493 transitions. [2019-10-15 03:13:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-15 03:13:52,275 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:52,277 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] [2019-10-15 03:13:52,277 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:52,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:52,278 INFO L82 PathProgramCache]: Analyzing trace with hash 150311337, now seen corresponding path program 1 times [2019-10-15 03:13:52,278 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:52,279 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568728887] [2019-10-15 03:13:52,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:52,279 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:52,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:52,632 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 03:13:52,632 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568728887] [2019-10-15 03:13:52,633 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:52,633 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:13:52,633 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482787053] [2019-10-15 03:13:52,636 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:13:52,637 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:52,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:13:52,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:13:52,638 INFO L87 Difference]: Start difference. First operand 417 states and 493 transitions. Second operand 3 states. [2019-10-15 03:13:52,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:52,719 INFO L93 Difference]: Finished difference Result 818 states and 996 transitions. [2019-10-15 03:13:52,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:13:52,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-10-15 03:13:52,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:52,731 INFO L225 Difference]: With dead ends: 818 [2019-10-15 03:13:52,731 INFO L226 Difference]: Without dead ends: 459 [2019-10-15 03:13:52,734 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 03:13:52,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-10-15 03:13:52,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 458. [2019-10-15 03:13:52,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-15 03:13:52,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 564 transitions. [2019-10-15 03:13:52,779 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 564 transitions. Word has length 182 [2019-10-15 03:13:52,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:52,780 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 564 transitions. [2019-10-15 03:13:52,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:13:52,780 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 564 transitions. [2019-10-15 03:13:52,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-15 03:13:52,789 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:52,789 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 03:13:52,790 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:52,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:52,791 INFO L82 PathProgramCache]: Analyzing trace with hash -72650779, now seen corresponding path program 1 times [2019-10-15 03:13:52,791 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:52,794 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739789951] [2019-10-15 03:13:52,794 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:52,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:52,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:53,623 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 03:13:53,624 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739789951] [2019-10-15 03:13:53,624 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:53,624 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-10-15 03:13:53,624 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516181835] [2019-10-15 03:13:53,625 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-15 03:13:53,625 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:53,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-15 03:13:53,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=587, Unknown=0, NotChecked=0, Total=650 [2019-10-15 03:13:53,626 INFO L87 Difference]: Start difference. First operand 458 states and 564 transitions. Second operand 26 states. [2019-10-15 03:14:02,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:02,777 INFO L93 Difference]: Finished difference Result 1004 states and 1230 transitions. [2019-10-15 03:14:02,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-15 03:14:02,777 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 183 [2019-10-15 03:14:02,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:02,783 INFO L225 Difference]: With dead ends: 1004 [2019-10-15 03:14:02,784 INFO L226 Difference]: Without dead ends: 763 [2019-10-15 03:14:02,786 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=167, Invalid=1813, Unknown=0, NotChecked=0, Total=1980 [2019-10-15 03:14:02,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2019-10-15 03:14:02,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 734. [2019-10-15 03:14:02,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2019-10-15 03:14:02,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 901 transitions. [2019-10-15 03:14:02,827 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 901 transitions. Word has length 183 [2019-10-15 03:14:02,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:02,828 INFO L462 AbstractCegarLoop]: Abstraction has 734 states and 901 transitions. [2019-10-15 03:14:02,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-15 03:14:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 901 transitions. [2019-10-15 03:14:02,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-15 03:14:02,833 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:02,833 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, 1] [2019-10-15 03:14:02,833 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:02,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:02,834 INFO L82 PathProgramCache]: Analyzing trace with hash 552693849, now seen corresponding path program 1 times [2019-10-15 03:14:02,834 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:02,834 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348606782] [2019-10-15 03:14:02,835 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:02,835 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:02,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:03,060 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 03:14:03,060 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348606782] [2019-10-15 03:14:03,061 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:03,061 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:14:03,061 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176333178] [2019-10-15 03:14:03,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:14:03,062 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:03,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:14:03,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:14:03,063 INFO L87 Difference]: Start difference. First operand 734 states and 901 transitions. Second operand 10 states. [2019-10-15 03:14:03,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:03,137 INFO L93 Difference]: Finished difference Result 1225 states and 1489 transitions. [2019-10-15 03:14:03,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:14:03,138 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 187 [2019-10-15 03:14:03,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:03,147 INFO L225 Difference]: With dead ends: 1225 [2019-10-15 03:14:03,147 INFO L226 Difference]: Without dead ends: 754 [2019-10-15 03:14:03,149 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 03:14:03,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2019-10-15 03:14:03,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 738. [2019-10-15 03:14:03,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 738 states. [2019-10-15 03:14:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 905 transitions. [2019-10-15 03:14:03,205 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 905 transitions. Word has length 187 [2019-10-15 03:14:03,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:03,208 INFO L462 AbstractCegarLoop]: Abstraction has 738 states and 905 transitions. [2019-10-15 03:14:03,208 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:14:03,208 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 905 transitions. [2019-10-15 03:14:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 03:14:03,212 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:03,213 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, 1, 1, 1] [2019-10-15 03:14:03,213 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:03,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:03,213 INFO L82 PathProgramCache]: Analyzing trace with hash -256854287, now seen corresponding path program 1 times [2019-10-15 03:14:03,214 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:03,214 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172812792] [2019-10-15 03:14:03,214 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:03,214 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:03,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:04,416 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 03:14:04,417 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172812792] [2019-10-15 03:14:04,418 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:04,418 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [33] imperfect sequences [] total 33 [2019-10-15 03:14:04,418 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374502235] [2019-10-15 03:14:04,419 INFO L442 AbstractCegarLoop]: Interpolant automaton has 33 states [2019-10-15 03:14:04,419 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:04,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2019-10-15 03:14:04,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=969, Unknown=0, NotChecked=0, Total=1056 [2019-10-15 03:14:04,420 INFO L87 Difference]: Start difference. First operand 738 states and 905 transitions. Second operand 33 states. [2019-10-15 03:14:19,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:19,991 INFO L93 Difference]: Finished difference Result 1813 states and 2197 transitions. [2019-10-15 03:14:19,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-10-15 03:14:19,992 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 189 [2019-10-15 03:14:19,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:20,001 INFO L225 Difference]: With dead ends: 1813 [2019-10-15 03:14:20,001 INFO L226 Difference]: Without dead ends: 1277 [2019-10-15 03:14:20,005 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 615 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=315, Invalid=3975, Unknown=0, NotChecked=0, Total=4290 [2019-10-15 03:14:20,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2019-10-15 03:14:20,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1260. [2019-10-15 03:14:20,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1260 states. [2019-10-15 03:14:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1524 transitions. [2019-10-15 03:14:20,074 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1524 transitions. Word has length 189 [2019-10-15 03:14:20,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:20,075 INFO L462 AbstractCegarLoop]: Abstraction has 1260 states and 1524 transitions. [2019-10-15 03:14:20,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 33 states. [2019-10-15 03:14:20,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1524 transitions. [2019-10-15 03:14:20,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-15 03:14:20,080 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:20,080 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, 1, 1, 1, 1] [2019-10-15 03:14:20,081 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:20,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:20,081 INFO L82 PathProgramCache]: Analyzing trace with hash 413493526, now seen corresponding path program 1 times [2019-10-15 03:14:20,081 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:20,082 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35879248] [2019-10-15 03:14:20,082 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:20,082 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:20,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:20,764 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 03:14:20,765 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35879248] [2019-10-15 03:14:20,765 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:20,765 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-15 03:14:20,765 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963766274] [2019-10-15 03:14:20,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-15 03:14:20,767 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:20,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-15 03:14:20,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2019-10-15 03:14:20,769 INFO L87 Difference]: Start difference. First operand 1260 states and 1524 transitions. Second operand 25 states.