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_spec9_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:18:16,240 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:18:16,243 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:18:16,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:18:16,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:18:16,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:18:16,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:18:16,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:18:16,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:18:16,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:18:16,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:18:16,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:18:16,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:18:16,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:18:16,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:18:16,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:18:16,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:18:16,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:18:16,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:18:16,286 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:18:16,289 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:18:16,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:18:16,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:18:16,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:18:16,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:18:16,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:18:16,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:18:16,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:18:16,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:18:16,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:18:16,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:18:16,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:18:16,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:18:16,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:18:16,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:18:16,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:18:16,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:18:16,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:18:16,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:18:16,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:18:16,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:18:16,306 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 03:18:16,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:18:16,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:18:16,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:18:16,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:18:16,330 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:18:16,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:18:16,330 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:18:16,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:18:16,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:18:16,331 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:18:16,331 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:18:16,331 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:18:16,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:18:16,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:18:16,332 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:18:16,334 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:18:16,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:18:16,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:18:16,335 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:18:16,335 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:18:16,335 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:18:16,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:18:16,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:18:16,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:18:16,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:18:16,336 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:18:16,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:18:16,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:18:16,337 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 03:18:16,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:18:16,627 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:18:16,631 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:18:16,633 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:18:16,633 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:18:16,634 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product34.cil.c [2019-10-15 03:18:16,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe340be58/fe16b845ae39425fbd48d24ba0433bd9/FLAG38a2777be [2019-10-15 03:18:17,391 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:18:17,392 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product34.cil.c [2019-10-15 03:18:17,420 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe340be58/fe16b845ae39425fbd48d24ba0433bd9/FLAG38a2777be [2019-10-15 03:18:17,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe340be58/fe16b845ae39425fbd48d24ba0433bd9 [2019-10-15 03:18:17,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:18:17,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:18:17,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:18:17,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:18:17,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:18:17,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:18:17" (1/1) ... [2019-10-15 03:18:17,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f33695a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:17, skipping insertion in model container [2019-10-15 03:18:17,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:18:17" (1/1) ... [2019-10-15 03:18:17,582 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:18:17,671 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:18:18,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:18:18,475 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:18:18,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:18:18,726 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:18:18,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18 WrapperNode [2019-10-15 03:18:18,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:18:18,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:18:18,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:18:18,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:18:18,746 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18" (1/1) ... [2019-10-15 03:18:18,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18" (1/1) ... [2019-10-15 03:18:18,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18" (1/1) ... [2019-10-15 03:18:18,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18" (1/1) ... [2019-10-15 03:18:18,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18" (1/1) ... [2019-10-15 03:18:18,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18" (1/1) ... [2019-10-15 03:18:18,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18" (1/1) ... [2019-10-15 03:18:18,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:18:18,958 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:18:18,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:18:18,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:18:18,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18" (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 03:18:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:18:19,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:18:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:18:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:18:19,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-15 03:18:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-15 03:18:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:18:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:18:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:18:19,045 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:18:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:18:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:18:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:18:19,046 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:18:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:18:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:18:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:18:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:18:19,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:18:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:18:19,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:18:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:18:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:18:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:18:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:18:19,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:18:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:18:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:18:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:18:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:18:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:18:19,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:18:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:18:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:18:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:18:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:18:19,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:18:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:18:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:18:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:18:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:18:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:18:19,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:18:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:18:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:18:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:18:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:18:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:18:19,053 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:18:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:18:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:18:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:18:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:18:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:18:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:18:19,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:18:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:18:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:18:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:18:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:18:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:18:19,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:18:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:18:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:18:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:18:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:18:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:18:19,056 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:18:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:18:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:18:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:18:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:18:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:18:19,057 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:18:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:18:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:18:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:18:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:18:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:18:19,058 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:18:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:18:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:18:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:18:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:18:19,059 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:18:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:18:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:18:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:18:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:18:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:18:19,060 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:18:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:18:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:18:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:18:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:18:19,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:18:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:18:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:18:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:18:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:18:19,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:18:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:18:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:18:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:18:19,063 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:18:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:18:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:18:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:18:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:18:19,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:18:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:18:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:18:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:18:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:18:19,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:18:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:18:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:18:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:18:19,066 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:18:19,066 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:18:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:18:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:18:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:18:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:18:19,067 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:18:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:18:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:18:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:18:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:18:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:18:19,068 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:18:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:18:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:18:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:18:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:18:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:18:19,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-15 03:18:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:18:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-15 03:18:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:18:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:18:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:18:19,070 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:18:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:18:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:18:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:18:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:18:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:18:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:18:19,071 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:18:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:18:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:18:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:18:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:18:19,072 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:18:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:18:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:18:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:18:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:18:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:18:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:18:19,073 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:18:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:18:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:18:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:18:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:18:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:18:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:18:19,074 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:18:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:18:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:18:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:18:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:18:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:18:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:18:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:18:19,075 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:18:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:18:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:18:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:18:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:18:19,076 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:18:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:18:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:18:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:18:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:18:19,077 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:18:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:18:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:18:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:18:19,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:18:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:18:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:18:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:18:19,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:18:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:18:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:18:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:18:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:18:19,080 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:18:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:18:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:18:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:18:19,081 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:18:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:18:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:18:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:18:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:18:19,082 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:18:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:18:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:18:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:18:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:18:19,083 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:18:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:18:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:18:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:18:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:18:19,084 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:18:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:18:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:18:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:18:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:18:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:18:19,085 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:18:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:18:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:18:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:18:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:18:19,086 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:18:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:18:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:18:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:18:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:18:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:18:19,087 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:18:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:18:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:18:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:18:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:18:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:18:19,088 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:18:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:18:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:18:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:18:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:18:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:18:19,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:18:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:18:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:18:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:18:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:18:19,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:18:23,938 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:18:23,938 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:18:23,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:18:23 BoogieIcfgContainer [2019-10-15 03:18:23,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:18:23,945 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:18:23,945 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:18:23,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:18:23,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:18:17" (1/3) ... [2019-10-15 03:18:23,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304a4935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:18:23, skipping insertion in model container [2019-10-15 03:18:23,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:18" (2/3) ... [2019-10-15 03:18:23,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304a4935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:18:23, skipping insertion in model container [2019-10-15 03:18:23,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:18:23" (3/3) ... [2019-10-15 03:18:23,957 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product34.cil.c [2019-10-15 03:18:23,968 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:18:23,980 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:18:24,045 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:18:24,092 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:18:24,093 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:18:24,093 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:18:24,100 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:18:24,101 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:18:24,101 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:18:24,101 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:18:24,101 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:18:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states. [2019-10-15 03:18:24,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-15 03:18:24,149 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:24,150 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, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:24,152 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:24,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:24,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1393384314, now seen corresponding path program 1 times [2019-10-15 03:18:24,168 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:24,169 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264159047] [2019-10-15 03:18:24,169 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:24,169 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:24,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:24,781 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:24,782 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264159047] [2019-10-15 03:18:24,783 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:24,783 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:18:24,784 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676260987] [2019-10-15 03:18:24,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:18:24,791 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:24,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:18:24,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:18:24,809 INFO L87 Difference]: Start difference. First operand 458 states. Second operand 2 states. [2019-10-15 03:18:24,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:24,937 INFO L93 Difference]: Finished difference Result 698 states and 832 transitions. [2019-10-15 03:18:24,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:18:24,939 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-15 03:18:24,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:24,973 INFO L225 Difference]: With dead ends: 698 [2019-10-15 03:18:24,974 INFO L226 Difference]: Without dead ends: 431 [2019-10-15 03:18:24,980 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 03:18:25,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-15 03:18:25,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 431. [2019-10-15 03:18:25,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2019-10-15 03:18:25,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 510 transitions. [2019-10-15 03:18:25,070 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 510 transitions. Word has length 132 [2019-10-15 03:18:25,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:25,074 INFO L462 AbstractCegarLoop]: Abstraction has 431 states and 510 transitions. [2019-10-15 03:18:25,074 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:18:25,074 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 510 transitions. [2019-10-15 03:18:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-15 03:18:25,087 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:25,090 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:25,090 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:25,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:25,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1978603413, now seen corresponding path program 1 times [2019-10-15 03:18:25,091 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:25,091 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544987839] [2019-10-15 03:18:25,092 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:25,092 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:25,092 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:25,429 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:25,430 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544987839] [2019-10-15 03:18:25,430 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:25,430 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:25,430 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860856999] [2019-10-15 03:18:25,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:25,434 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:25,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:25,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:25,434 INFO L87 Difference]: Start difference. First operand 431 states and 510 transitions. Second operand 3 states. [2019-10-15 03:18:25,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:25,502 INFO L93 Difference]: Finished difference Result 683 states and 800 transitions. [2019-10-15 03:18:25,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:25,503 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-15 03:18:25,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:25,507 INFO L225 Difference]: With dead ends: 683 [2019-10-15 03:18:25,507 INFO L226 Difference]: Without dead ends: 433 [2019-10-15 03:18:25,509 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 03:18:25,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-10-15 03:18:25,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2019-10-15 03:18:25,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2019-10-15 03:18:25,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 512 transitions. [2019-10-15 03:18:25,560 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 512 transitions. Word has length 133 [2019-10-15 03:18:25,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:25,561 INFO L462 AbstractCegarLoop]: Abstraction has 433 states and 512 transitions. [2019-10-15 03:18:25,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:25,561 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 512 transitions. [2019-10-15 03:18:25,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-15 03:18:25,568 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:25,568 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] [2019-10-15 03:18:25,569 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:25,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:25,569 INFO L82 PathProgramCache]: Analyzing trace with hash -1691124703, now seen corresponding path program 1 times [2019-10-15 03:18:25,570 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:25,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136237841] [2019-10-15 03:18:25,570 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:25,570 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:25,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:25,854 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136237841] [2019-10-15 03:18:25,854 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:25,855 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:25,855 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098879864] [2019-10-15 03:18:25,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:25,856 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:25,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:25,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:25,857 INFO L87 Difference]: Start difference. First operand 433 states and 512 transitions. Second operand 3 states. [2019-10-15 03:18:25,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:25,900 INFO L93 Difference]: Finished difference Result 850 states and 1034 transitions. [2019-10-15 03:18:25,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:25,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-15 03:18:25,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:25,905 INFO L225 Difference]: With dead ends: 850 [2019-10-15 03:18:25,905 INFO L226 Difference]: Without dead ends: 475 [2019-10-15 03:18:25,907 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 03:18:25,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2019-10-15 03:18:25,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 474. [2019-10-15 03:18:25,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2019-10-15 03:18:25,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 583 transitions. [2019-10-15 03:18:25,940 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 583 transitions. Word has length 138 [2019-10-15 03:18:25,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:25,943 INFO L462 AbstractCegarLoop]: Abstraction has 474 states and 583 transitions. [2019-10-15 03:18:25,943 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:25,943 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 583 transitions. [2019-10-15 03:18:25,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-15 03:18:25,949 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:25,950 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] [2019-10-15 03:18:25,950 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:25,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:25,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1314907059, now seen corresponding path program 1 times [2019-10-15 03:18:25,951 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:25,952 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498831681] [2019-10-15 03:18:25,952 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:25,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:25,955 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:26,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498831681] [2019-10-15 03:18:26,324 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877455428] [2019-10-15 03:18:26,325 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:18:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:27,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 2900 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:18:27,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:18:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:27,152 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:18:27,331 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:27,331 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [747316876] [2019-10-15 03:18:27,360 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-15 03:18:27,360 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:18:27,367 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:18:27,374 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:18:27,375 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs