java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:08:11,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:08:11,911 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:08:11,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:08:11,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:08:11,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:08:11,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:08:11,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:08:11,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:08:11,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:08:11,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:08:11,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:08:11,933 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:08:11,934 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:08:11,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:08:11,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:08:11,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:08:11,938 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:08:11,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:08:11,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:08:11,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:08:11,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:08:11,946 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:08:11,947 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:08:11,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:08:11,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:08:11,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:08:11,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:08:11,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:08:11,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:08:11,953 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:08:11,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:08:11,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:08:11,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:08:11,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:08:11,956 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:08:11,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:08:11,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:08:11,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:08:11,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:08:11,959 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:08:11,960 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:08:11,977 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:08:11,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:08:11,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:08:11,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:08:11,981 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:08:11,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:08:11,981 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:08:11,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:08:11,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:08:11,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:08:11,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:08:11,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:08:11,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:08:11,983 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:08:11,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:08:11,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:08:11,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:08:11,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:08:11,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:08:11,985 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:08:11,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:08:11,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:08:11,986 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:08:11,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:08:11,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:08:11,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:08:11,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:08:11,987 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:08:11,987 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:08:12,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:08:12,274 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:08:12,278 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:08:12,279 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:08:12,280 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:08:12,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product33.cil.c [2019-10-13 23:08:12,343 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e0f36b4/fd12ab9e6a5140019fa22646cd8884e1/FLAGfe733a994 [2019-10-13 23:08:13,005 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:08:13,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product33.cil.c [2019-10-13 23:08:13,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e0f36b4/fd12ab9e6a5140019fa22646cd8884e1/FLAGfe733a994 [2019-10-13 23:08:13,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05e0f36b4/fd12ab9e6a5140019fa22646cd8884e1 [2019-10-13 23:08:13,198 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:08:13,200 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:08:13,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:08:13,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:08:13,205 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:08:13,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:08:13" (1/1) ... [2019-10-13 23:08:13,208 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29914bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:13, skipping insertion in model container [2019-10-13 23:08:13,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:08:13" (1/1) ... [2019-10-13 23:08:13,214 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:08:13,276 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:08:14,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:08:14,035 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:08:14,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:08:14,242 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:08:14,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14 WrapperNode [2019-10-13 23:08:14,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:08:14,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:08:14,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:08:14,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:08:14,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14" (1/1) ... [2019-10-13 23:08:14,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14" (1/1) ... [2019-10-13 23:08:14,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14" (1/1) ... [2019-10-13 23:08:14,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14" (1/1) ... [2019-10-13 23:08:14,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14" (1/1) ... [2019-10-13 23:08:14,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14" (1/1) ... [2019-10-13 23:08:14,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14" (1/1) ... [2019-10-13 23:08:14,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:08:14,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:08:14,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:08:14,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:08:14,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:08:14,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:08:14,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:08:14,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:08:14,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:08:14,507 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:08:14,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:08:14,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-13 23:08:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 23:08:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:08:14,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:08:14,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:08:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:08:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:08:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:08:14,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:08:14,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:08:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:08:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:08:14,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:08:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:08:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:08:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:08:14,515 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:08:14,516 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:08:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:08:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:08:14,517 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:08:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:08:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:08:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:08:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:08:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:08:14,518 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:08:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:08:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:08:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:08:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:08:14,519 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:08:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:08:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:08:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:08:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:08:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:08:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:08:14,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:08:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:08:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:08:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:08:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:08:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:08:14,521 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:08:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:08:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:08:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:08:14,522 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:08:14,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:08:14,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:08:14,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:08:14,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:08:14,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:08:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:08:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:08:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:08:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:08:14,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:08:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:08:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:08:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:08:14,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:08:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:08:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:08:14,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:08:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:08:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:08:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:08:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:08:14,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:08:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:08:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:08:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:08:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:08:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:08:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:08:14,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:08:14,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:08:14,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:08:14,531 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:08:14,531 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:08:14,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:08:14,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:08:14,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:08:14,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:08:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:08:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:08:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:08:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:08:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:08:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:08:14,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:08:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:08:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:08:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:08:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:08:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:08:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:08:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:08:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:08:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:08:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:08:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:08:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:08:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:08:14,536 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:08:14,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:08:14,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:08:14,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:08:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:08:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:08:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:08:14,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:08:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:08:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:08:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:08:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:08:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:08:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:08:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:08:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:08:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:08:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:08:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:08:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:08:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-13 23:08:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 23:08:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:08:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:08:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:08:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:08:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:08:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:08:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:08:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:08:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:08:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:08:14,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:08:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:08:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:08:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:08:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:08:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:08:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:08:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:08:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:08:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:08:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:08:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:08:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:08:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:08:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:08:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:08:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:08:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:08:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:08:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:08:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:08:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:08:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:08:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:08:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:08:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:08:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:08:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:08:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:08:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:08:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:08:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:08:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:08:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:08:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:08:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:08:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:08:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:08:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:08:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:08:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:08:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:08:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:08:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:08:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:08:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:08:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:08:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:08:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:08:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:08:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:08:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:08:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:08:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:08:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:08:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:08:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:08:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:08:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:08:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:08:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:08:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:08:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:08:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:08:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:08:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:08:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:08:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:08:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:08:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:08:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:08:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:08:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:08:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:08:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:08:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:08:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:08:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:08:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:08:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:08:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:08:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:08:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:08:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:08:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:08:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:08:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:08:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:08:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:08:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:08:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:08:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:08:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:08:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:08:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:08:14,573 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:08:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:08:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:08:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:08:14,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:08:19,474 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:08:19,474 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:08:19,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:08:19 BoogieIcfgContainer [2019-10-13 23:08:19,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:08:19,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:08:19,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:08:19,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:08:19,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:08:13" (1/3) ... [2019-10-13 23:08:19,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ffd895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:08:19, skipping insertion in model container [2019-10-13 23:08:19,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:14" (2/3) ... [2019-10-13 23:08:19,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45ffd895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:08:19, skipping insertion in model container [2019-10-13 23:08:19,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:08:19" (3/3) ... [2019-10-13 23:08:19,485 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product33.cil.c [2019-10-13 23:08:19,495 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:08:19,504 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:08:19,516 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:08:19,546 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:08:19,546 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:08:19,546 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:08:19,546 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:08:19,546 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:08:19,546 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:08:19,546 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:08:19,547 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:08:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states. [2019-10-13 23:08:19,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-13 23:08:19,592 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:19,593 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:08:19,595 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:19,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:19,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1343517720, now seen corresponding path program 1 times [2019-10-13 23:08:19,611 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:19,612 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385981800] [2019-10-13 23:08:19,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:19,612 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:19,612 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:20,253 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:20,254 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385981800] [2019-10-13 23:08:20,255 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:20,255 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:08:20,255 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222171691] [2019-10-13 23:08:20,261 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:08:20,261 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:20,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:08:20,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:08:20,279 INFO L87 Difference]: Start difference. First operand 434 states. Second operand 2 states. [2019-10-13 23:08:20,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:20,351 INFO L93 Difference]: Finished difference Result 669 states and 793 transitions. [2019-10-13 23:08:20,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:08:20,353 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-13 23:08:20,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:20,389 INFO L225 Difference]: With dead ends: 669 [2019-10-13 23:08:20,390 INFO L226 Difference]: Without dead ends: 413 [2019-10-13 23:08:20,399 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:08:20,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-13 23:08:20,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 413. [2019-10-13 23:08:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2019-10-13 23:08:20,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 488 transitions. [2019-10-13 23:08:20,489 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 488 transitions. Word has length 125 [2019-10-13 23:08:20,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:20,494 INFO L462 AbstractCegarLoop]: Abstraction has 413 states and 488 transitions. [2019-10-13 23:08:20,494 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:08:20,494 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 488 transitions. [2019-10-13 23:08:20,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-13 23:08:20,502 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:20,503 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:08:20,505 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:20,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:20,506 INFO L82 PathProgramCache]: Analyzing trace with hash 880201506, now seen corresponding path program 1 times [2019-10-13 23:08:20,506 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:20,506 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572197285] [2019-10-13 23:08:20,506 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:20,507 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:20,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:20,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:20,824 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572197285] [2019-10-13 23:08:20,825 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:20,825 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:08:20,825 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6332770] [2019-10-13 23:08:20,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:08:20,827 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:20,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:08:20,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:20,828 INFO L87 Difference]: Start difference. First operand 413 states and 488 transitions. Second operand 3 states. [2019-10-13 23:08:20,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:20,900 INFO L93 Difference]: Finished difference Result 654 states and 764 transitions. [2019-10-13 23:08:20,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:08:20,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-13 23:08:20,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:20,912 INFO L225 Difference]: With dead ends: 654 [2019-10-13 23:08:20,912 INFO L226 Difference]: Without dead ends: 415 [2019-10-13 23:08:20,919 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-10-13 23:08:20,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2019-10-13 23:08:20,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2019-10-13 23:08:20,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 490 transitions. [2019-10-13 23:08:20,984 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 490 transitions. Word has length 126 [2019-10-13 23:08:20,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:20,985 INFO L462 AbstractCegarLoop]: Abstraction has 415 states and 490 transitions. [2019-10-13 23:08:20,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:08:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 490 transitions. [2019-10-13 23:08:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-13 23:08:20,992 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:20,992 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:08:20,993 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:20,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:20,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1655831608, now seen corresponding path program 1 times [2019-10-13 23:08:20,993 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:20,994 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808330369] [2019-10-13 23:08:20,994 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:20,998 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:20,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:21,312 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:21,313 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808330369] [2019-10-13 23:08:21,313 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:21,313 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:08:21,314 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522941423] [2019-10-13 23:08:21,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:08:21,316 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:21,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:08:21,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:21,316 INFO L87 Difference]: Start difference. First operand 415 states and 490 transitions. Second operand 3 states. [2019-10-13 23:08:21,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:21,371 INFO L93 Difference]: Finished difference Result 814 states and 990 transitions. [2019-10-13 23:08:21,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:08:21,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-13 23:08:21,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:21,378 INFO L225 Difference]: With dead ends: 814 [2019-10-13 23:08:21,379 INFO L226 Difference]: Without dead ends: 457 [2019-10-13 23:08:21,381 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:21,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-10-13 23:08:21,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 456. [2019-10-13 23:08:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-10-13 23:08:21,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 561 transitions. [2019-10-13 23:08:21,414 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 561 transitions. Word has length 138 [2019-10-13 23:08:21,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:21,416 INFO L462 AbstractCegarLoop]: Abstraction has 456 states and 561 transitions. [2019-10-13 23:08:21,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:08:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 561 transitions. [2019-10-13 23:08:21,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-13 23:08:21,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:21,423 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:08:21,423 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:21,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:21,423 INFO L82 PathProgramCache]: Analyzing trace with hash -110926911, now seen corresponding path program 1 times [2019-10-13 23:08:21,423 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:21,425 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720571943] [2019-10-13 23:08:21,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:21,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:21,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-13 23:08:22,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720571943] [2019-10-13 23:08:22,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060456184] [2019-10-13 23:08:22,765 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 23:08:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:23,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 2659 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:08:23,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:08:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:23,498 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:08:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:23,840 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [562575342] [2019-10-13 23:08:23,888 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-13 23:08:23,889 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:08:23,895 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:08:23,903 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:08:23,904 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs