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_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:07:40,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:07:40,339 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:07:40,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:07:40,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:07:40,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:07:40,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:07:40,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:07:40,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:07:40,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:07:40,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:07:40,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:07:40,383 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:07:40,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:07:40,387 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:07:40,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:07:40,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:07:40,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:07:40,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:07:40,400 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:07:40,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:07:40,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:07:40,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:07:40,412 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:07:40,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:07:40,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:07:40,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:07:40,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:07:40,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:07:40,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:07:40,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:07:40,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:07:40,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:07:40,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:07:40,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:07:40,423 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:07:40,424 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:07:40,424 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:07:40,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:07:40,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:07:40,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:07:40,428 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 23:07:40,455 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:07:40,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:07:40,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:07:40,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:07:40,460 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:07:40,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:07:40,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:07:40,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:07:40,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:07:40,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:07:40,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:07:40,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:07:40,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:07:40,462 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:07:40,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:07:40,463 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:07:40,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:07:40,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:07:40,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:07:40,464 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:07:40,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:07:40,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:07:40,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:07:40,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:07:40,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:07:40,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:07:40,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:07:40,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:07:40,466 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 23:07:40,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:07:40,789 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:07:40,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:07:40,794 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:07:40,794 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:07:40,795 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c [2019-10-13 23:07:40,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295c604ec/748d416eae9e40db82ffd856034793d4/FLAG8792d5c86 [2019-10-13 23:07:41,451 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:07:41,452 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c [2019-10-13 23:07:41,472 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295c604ec/748d416eae9e40db82ffd856034793d4/FLAG8792d5c86 [2019-10-13 23:07:41,664 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/295c604ec/748d416eae9e40db82ffd856034793d4 [2019-10-13 23:07:41,675 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:07:41,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:07:41,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:07:41,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:07:41,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:07:41,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:07:41" (1/1) ... [2019-10-13 23:07:41,693 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60aa197e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:41, skipping insertion in model container [2019-10-13 23:07:41,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:07:41" (1/1) ... [2019-10-13 23:07:41,702 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:07:41,796 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:07:42,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:07:42,601 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:07:42,770 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:07:42,870 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:07:42,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42 WrapperNode [2019-10-13 23:07:42,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:07:42,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:07:42,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:07:42,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:07:42,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:42,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:42,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:42,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:43,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:43,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:43,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42" (1/1) ... [2019-10-13 23:07:43,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:07:43,057 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:07:43,057 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:07:43,057 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:07:43,058 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:07:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:07:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:07:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:07:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:07:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:07:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:07:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:07:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:07:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:07:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:07:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:07:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:07:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:07:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:07:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:07:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:07:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:07:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:07:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:07:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:07:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:07:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:07:43,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:07:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:07:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:07:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:07:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:07:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:07:43,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:07:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:07:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:07:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:07:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:07:43,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:07:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:07:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:07:43,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:07:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:07:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:07:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:07:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:07:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:07:43,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:07:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:07:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:07:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:07:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:07:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:07:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:07:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:07:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:07:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:07:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:07:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:07:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:07:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:07:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:07:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:07:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:07:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:07:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:07:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:07:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:07:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:07:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:07:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:07:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:07:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:07:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:07:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:07:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:07:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:07:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:07:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:07:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:07:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:07:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:07:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:07:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:07:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:07:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:07:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:07:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:07:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:07:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:07:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:07:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:07:43,172 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:07:43,172 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:07:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:07:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:07:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:07:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:07:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:07:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:07:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:07:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:07:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:07:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:07:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-13 23:07:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:07:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:07:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:07:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:07:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:07:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:07:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:07:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:07:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:07:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:07:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:07:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:07:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:07:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:07:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:07:43,178 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:07:43,178 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:07:43,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:07:43,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:07:43,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:07:43,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:07:43,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:07:43,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:07:43,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:07:43,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:07:43,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:07:43,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:07:43,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:07:43,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:07:43,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:07:43,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:07:43,183 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:07:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:07:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:07:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:07:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:07:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:07:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:07:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:07:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:07:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:07:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:07:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:07:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:07:43,201 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:07:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:07:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:07:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:07:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:07:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:07:43,202 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:07:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:07:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:07:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:07:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:07:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:07:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:07:43,203 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:07:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:07:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:07:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:07:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:07:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:07:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:07:43,204 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:07:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:07:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:07:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:07:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:07:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:07:43,205 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:07:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:07:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:07:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:07:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:07:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:07:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:07:43,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:07:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:07:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:07:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:07:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:07:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:07:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:07:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:07:43,207 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:07:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:07:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:07:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:07:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:07:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:07:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:07:43,208 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:07:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:07:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:07:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:07:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:07:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:07:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:07:43,209 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:07:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:07:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:07:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:07:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:07:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:07:43,210 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:07:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:07:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:07:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:07:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:07:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:07:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:07:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:07:43,211 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:07:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:07:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:07:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:07:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:07:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:07:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:07:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:07:43,212 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:07:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:07:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:07:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:07:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:07:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:07:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:07:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:07:43,213 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:07:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:07:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:07:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:07:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:07:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-13 23:07:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:07:43,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:07:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:07:43,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:07:48,090 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:07:48,090 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:07:48,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:48 BoogieIcfgContainer [2019-10-13 23:07:48,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:07:48,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:07:48,094 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:07:48,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:07:48,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:07:41" (1/3) ... [2019-10-13 23:07:48,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a18144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:48, skipping insertion in model container [2019-10-13 23:07:48,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:42" (2/3) ... [2019-10-13 23:07:48,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a18144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:48, skipping insertion in model container [2019-10-13 23:07:48,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:48" (3/3) ... [2019-10-13 23:07:48,101 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product22.cil.c [2019-10-13 23:07:48,111 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:07:48,121 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:07:48,132 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:07:48,162 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:07:48,162 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:07:48,162 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:07:48,163 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:07:48,163 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:07:48,163 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:07:48,163 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:07:48,163 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:07:48,192 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states. [2019-10-13 23:07:48,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-13 23:07:48,220 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:48,223 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] [2019-10-13 23:07:48,226 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:48,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:48,233 INFO L82 PathProgramCache]: Analyzing trace with hash 240363842, now seen corresponding path program 1 times [2019-10-13 23:07:48,296 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:48,297 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252278268] [2019-10-13 23:07:48,302 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:48,302 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:48,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:48,896 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 23:07:48,896 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252278268] [2019-10-13 23:07:48,897 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:48,898 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:07:48,899 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870038267] [2019-10-13 23:07:48,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:07:48,908 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:48,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:07:48,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:07:48,925 INFO L87 Difference]: Start difference. First operand 372 states. Second operand 2 states. [2019-10-13 23:07:49,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:49,040 INFO L93 Difference]: Finished difference Result 545 states and 644 transitions. [2019-10-13 23:07:49,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:07:49,042 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 114 [2019-10-13 23:07:49,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:49,079 INFO L225 Difference]: With dead ends: 545 [2019-10-13 23:07:49,079 INFO L226 Difference]: Without dead ends: 351 [2019-10-13 23:07:49,089 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 23:07:49,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-10-13 23:07:49,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2019-10-13 23:07:49,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-10-13 23:07:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 414 transitions. [2019-10-13 23:07:49,189 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 414 transitions. Word has length 114 [2019-10-13 23:07:49,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:49,192 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 414 transitions. [2019-10-13 23:07:49,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:07:49,193 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 414 transitions. [2019-10-13 23:07:49,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-13 23:07:49,198 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:49,198 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] [2019-10-13 23:07:49,198 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:49,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:49,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1274806318, now seen corresponding path program 1 times [2019-10-13 23:07:49,199 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:49,199 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038688844] [2019-10-13 23:07:49,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,199 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,199 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:49,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:49,412 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 23:07:49,413 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038688844] [2019-10-13 23:07:49,413 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:49,413 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:49,413 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025737904] [2019-10-13 23:07:49,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:49,418 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:49,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:49,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:49,418 INFO L87 Difference]: Start difference. First operand 351 states and 414 transitions. Second operand 3 states. [2019-10-13 23:07:49,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:49,479 INFO L93 Difference]: Finished difference Result 530 states and 616 transitions. [2019-10-13 23:07:49,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:49,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-10-13 23:07:49,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:49,483 INFO L225 Difference]: With dead ends: 530 [2019-10-13 23:07:49,484 INFO L226 Difference]: Without dead ends: 353 [2019-10-13 23:07:49,485 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 23:07:49,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-10-13 23:07:49,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2019-10-13 23:07:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2019-10-13 23:07:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 416 transitions. [2019-10-13 23:07:49,516 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 416 transitions. Word has length 115 [2019-10-13 23:07:49,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:49,517 INFO L462 AbstractCegarLoop]: Abstraction has 353 states and 416 transitions. [2019-10-13 23:07:49,517 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 416 transitions. [2019-10-13 23:07:49,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-13 23:07:49,521 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:49,522 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] [2019-10-13 23:07:49,522 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:49,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:49,522 INFO L82 PathProgramCache]: Analyzing trace with hash 994264163, now seen corresponding path program 1 times [2019-10-13 23:07:49,523 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:49,523 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766379135] [2019-10-13 23:07:49,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,523 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,523 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:49,766 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 23:07:49,766 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766379135] [2019-10-13 23:07:49,767 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:49,767 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:49,767 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575414713] [2019-10-13 23:07:49,769 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:49,769 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:49,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:49,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:49,770 INFO L87 Difference]: Start difference. First operand 353 states and 416 transitions. Second operand 3 states. [2019-10-13 23:07:49,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:49,872 INFO L93 Difference]: Finished difference Result 690 states and 842 transitions. [2019-10-13 23:07:49,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:49,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-13 23:07:49,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:49,881 INFO L225 Difference]: With dead ends: 690 [2019-10-13 23:07:49,882 INFO L226 Difference]: Without dead ends: 395 [2019-10-13 23:07:49,883 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 23:07:49,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-13 23:07:49,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 394. [2019-10-13 23:07:49,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-10-13 23:07:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 487 transitions. [2019-10-13 23:07:49,917 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 487 transitions. Word has length 127 [2019-10-13 23:07:49,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:49,917 INFO L462 AbstractCegarLoop]: Abstraction has 394 states and 487 transitions. [2019-10-13 23:07:49,918 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 487 transitions. [2019-10-13 23:07:49,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-13 23:07:49,920 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:49,921 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] [2019-10-13 23:07:49,921 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:49,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:49,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1259832824, now seen corresponding path program 1 times [2019-10-13 23:07:49,922 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:49,922 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20786416] [2019-10-13 23:07:49,922 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,922 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:49,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:50,094 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 23:07:50,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20786416] [2019-10-13 23:07:50,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135894459] [2019-10-13 23:07:50,095 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 23:07:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:50,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:07:50,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:07:50,717 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 23:07:50,717 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:07:50,966 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 23:07:50,967 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1815374857] [2019-10-13 23:07:50,999 INFO L162 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-10-13 23:07:50,999 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:07:51,011 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:07:51,019 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:07:51,020 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 23:08:24,339 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 656