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_spec0_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:10:41,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:10:41,406 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:10:41,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:10:41,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:10:41,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:10:41,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:10:41,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:10:41,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:10:41,445 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:10:41,446 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:10:41,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:10:41,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:10:41,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:10:41,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:10:41,450 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:10:41,451 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:10:41,452 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:10:41,453 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:10:41,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:10:41,458 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:10:41,459 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:10:41,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:10:41,461 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:10:41,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:10:41,463 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:10:41,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:10:41,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:10:41,465 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:10:41,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:10:41,467 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:10:41,468 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:10:41,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:10:41,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:10:41,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:10:41,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:10:41,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:10:41,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:10:41,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:10:41,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:10:41,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:10:41,479 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 03:10:41,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:10:41,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:10:41,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:10:41,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:10:41,505 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:10:41,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:10:41,506 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:10:41,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:10:41,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:10:41,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:10:41,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:10:41,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:10:41,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:10:41,508 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:10:41,509 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:10:41,509 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:10:41,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:10:41,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:10:41,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:10:41,510 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:10:41,510 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:10:41,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:10:41,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:10:41,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:10:41,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:10:41,511 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:10:41,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:10:41,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:10:41,512 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 03:10:41,929 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:10:41,943 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:10:41,949 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:10:41,951 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:10:41,952 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:10:41,952 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product31.cil.c [2019-10-15 03:10:42,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f11cee35/c6b48c7360bf43e893f61121634dc56f/FLAG7497e13de [2019-10-15 03:10:42,708 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:10:42,709 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product31.cil.c [2019-10-15 03:10:42,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f11cee35/c6b48c7360bf43e893f61121634dc56f/FLAG7497e13de [2019-10-15 03:10:42,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f11cee35/c6b48c7360bf43e893f61121634dc56f [2019-10-15 03:10:42,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:10:42,895 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:10:42,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:10:42,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:10:42,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:10:42,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:10:42" (1/1) ... [2019-10-15 03:10:42,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@243eae36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:42, skipping insertion in model container [2019-10-15 03:10:42,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:10:42" (1/1) ... [2019-10-15 03:10:42,915 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:10:42,988 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:10:43,761 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:10:43,781 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:10:43,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:10:44,003 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:10:44,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44 WrapperNode [2019-10-15 03:10:44,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:10:44,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:10:44,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:10:44,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:10:44,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44" (1/1) ... [2019-10-15 03:10:44,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44" (1/1) ... [2019-10-15 03:10:44,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44" (1/1) ... [2019-10-15 03:10:44,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44" (1/1) ... [2019-10-15 03:10:44,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44" (1/1) ... [2019-10-15 03:10:44,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44" (1/1) ... [2019-10-15 03:10:44,179 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44" (1/1) ... [2019-10-15 03:10:44,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:10:44,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:10:44,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:10:44,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:10:44,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44" (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 03:10:44,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:10:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:10:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:10:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:10:44,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:10:44,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:10:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:10:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:10:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:10:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:10:44,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:10:44,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:10:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:10:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:10:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:10:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:10:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:10:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:10:44,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:10:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:10:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:10:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:10:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:10:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:10:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:10:44,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:10:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:10:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:10:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:10:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:10:44,313 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:10:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:10:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:10:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:10:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:10:44,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:10:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:10:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:10:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:10:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:10:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:10:44,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:10:44,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:10:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:10:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:10:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:10:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:10:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:10:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:10:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:10:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:10:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:10:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:10:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:10:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:10:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:10:44,319 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:10:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:10:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:10:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:10:44,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:10:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:10:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:10:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:10:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:10:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:10:44,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:10:44,322 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:10:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:10:44,323 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:10:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:10:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:10:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:10:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:10:44,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:10:44,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:10:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:10:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:10:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:10:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:10:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:10:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:10:44,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:10:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:10:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:10:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:10:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:10:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:10:44,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:10:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:10:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:10:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:10:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:10:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:10:44,329 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:10:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:10:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:10:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:10:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:10:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:10:44,330 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:10:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-15 03:10:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:10:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:10:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:10:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:10:44,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:10:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:10:44,332 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:10:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:10:44,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:10:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:10:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:10:44,333 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:10:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:10:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:10:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:10:44,334 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:10:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:10:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:10:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:10:44,336 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:10:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:10:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:10:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:10:44,337 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:10:44,338 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:10:44,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:10:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:10:44,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:10:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:10:44,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:10:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:10:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:10:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:10:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:10:44,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:10:44,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:10:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:10:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:10:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:10:44,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:10:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:10:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:10:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:10:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:10:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:10:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:10:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:10:44,354 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:10:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:10:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:10:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:10:44,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:10:44,356 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:10:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:10:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:10:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:10:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:10:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:10:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:10:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:10:44,357 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:10:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:10:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:10:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:10:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:10:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:10:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:10:44,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:10:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:10:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:10:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:10:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:10:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:10:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:10:44,359 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:10:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:10:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:10:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:10:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:10:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:10:44,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:10:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:10:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:10:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:10:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:10:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:10:44,361 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:10:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:10:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:10:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:10:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:10:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:10:44,362 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:10:44,363 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:10:44,363 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:10:44,363 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:10:44,363 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:10:44,363 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:10:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:10:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:10:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:10:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:10:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:10:44,364 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:10:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:10:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:10:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:10:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:10:44,365 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:10:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:10:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:10:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:10:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:10:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:10:44,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:10:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:10:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:10:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:10:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:10:44,367 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:10:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:10:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:10:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:10:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:10:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:10:44,368 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:10:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:10:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:10:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:10:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:10:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-15 03:10:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:10:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:10:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:10:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:10:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:10:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:10:49,162 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:10:49,163 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:10:49,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:10:49 BoogieIcfgContainer [2019-10-15 03:10:49,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:10:49,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:10:49,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:10:49,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:10:49,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:10:42" (1/3) ... [2019-10-15 03:10:49,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef761f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:10:49, skipping insertion in model container [2019-10-15 03:10:49,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:44" (2/3) ... [2019-10-15 03:10:49,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef761f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:10:49, skipping insertion in model container [2019-10-15 03:10:49,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:10:49" (3/3) ... [2019-10-15 03:10:49,175 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product31.cil.c [2019-10-15 03:10:49,186 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:10:49,196 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:10:49,208 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:10:49,238 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:10:49,239 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:10:49,239 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:10:49,239 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:10:49,239 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:10:49,239 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:10:49,239 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:10:49,240 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:10:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states. [2019-10-15 03:10:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-15 03:10:49,295 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:49,297 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:10:49,299 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:49,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:49,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1005792551, now seen corresponding path program 1 times [2019-10-15 03:10:49,311 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:49,312 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658313512] [2019-10-15 03:10:49,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:49,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:49,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:49,883 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658313512] [2019-10-15 03:10:49,884 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:49,885 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:10:49,885 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566140724] [2019-10-15 03:10:49,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:10:49,894 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:49,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:10:49,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:10:49,910 INFO L87 Difference]: Start difference. First operand 407 states. Second operand 2 states. [2019-10-15 03:10:50,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:50,030 INFO L93 Difference]: Finished difference Result 622 states and 738 transitions. [2019-10-15 03:10:50,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:10:50,031 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 177 [2019-10-15 03:10:50,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:50,069 INFO L225 Difference]: With dead ends: 622 [2019-10-15 03:10:50,069 INFO L226 Difference]: Without dead ends: 386 [2019-10-15 03:10:50,084 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 03:10:50,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-10-15 03:10:50,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2019-10-15 03:10:50,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2019-10-15 03:10:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 455 transitions. [2019-10-15 03:10:50,191 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 455 transitions. Word has length 177 [2019-10-15 03:10:50,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:50,193 INFO L462 AbstractCegarLoop]: Abstraction has 386 states and 455 transitions. [2019-10-15 03:10:50,193 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:10:50,194 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 455 transitions. [2019-10-15 03:10:50,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-15 03:10:50,200 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:50,201 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:10:50,201 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:50,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:50,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1541061759, now seen corresponding path program 1 times [2019-10-15 03:10:50,202 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:50,202 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973394000] [2019-10-15 03:10:50,202 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:50,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:50,203 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:50,557 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:50,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973394000] [2019-10-15 03:10:50,558 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:50,558 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:10:50,559 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059704644] [2019-10-15 03:10:50,563 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:10:50,563 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:50,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:10:50,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:50,564 INFO L87 Difference]: Start difference. First operand 386 states and 455 transitions. Second operand 3 states. [2019-10-15 03:10:50,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:50,645 INFO L93 Difference]: Finished difference Result 607 states and 705 transitions. [2019-10-15 03:10:50,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:10:50,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-15 03:10:50,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:50,655 INFO L225 Difference]: With dead ends: 607 [2019-10-15 03:10:50,656 INFO L226 Difference]: Without dead ends: 388 [2019-10-15 03:10:50,659 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 03:10:50,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2019-10-15 03:10:50,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2019-10-15 03:10:50,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2019-10-15 03:10:50,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 457 transitions. [2019-10-15 03:10:50,716 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 457 transitions. Word has length 178 [2019-10-15 03:10:50,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:50,717 INFO L462 AbstractCegarLoop]: Abstraction has 388 states and 457 transitions. [2019-10-15 03:10:50,717 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:10:50,717 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 457 transitions. [2019-10-15 03:10:50,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-15 03:10:50,721 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:50,722 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:10:50,722 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:50,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:50,722 INFO L82 PathProgramCache]: Analyzing trace with hash 1425063180, now seen corresponding path program 1 times [2019-10-15 03:10:50,723 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:50,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075588586] [2019-10-15 03:10:50,723 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:50,723 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:50,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:50,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:50,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:50,902 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075588586] [2019-10-15 03:10:50,902 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:50,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:10:50,903 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140088953] [2019-10-15 03:10:50,905 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:10:50,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:50,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:10:50,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:50,906 INFO L87 Difference]: Start difference. First operand 388 states and 457 transitions. Second operand 3 states. [2019-10-15 03:10:50,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:50,961 INFO L93 Difference]: Finished difference Result 758 states and 921 transitions. [2019-10-15 03:10:50,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:10:50,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-10-15 03:10:50,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:50,968 INFO L225 Difference]: With dead ends: 758 [2019-10-15 03:10:50,968 INFO L226 Difference]: Without dead ends: 428 [2019-10-15 03:10:50,970 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 03:10:50,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2019-10-15 03:10:50,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 427. [2019-10-15 03:10:50,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-10-15 03:10:51,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 525 transitions. [2019-10-15 03:10:51,003 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 525 transitions. Word has length 183 [2019-10-15 03:10:51,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:51,005 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 525 transitions. [2019-10-15 03:10:51,005 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:10:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 525 transitions. [2019-10-15 03:10:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-15 03:10:51,012 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:51,013 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:10:51,013 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:51,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:51,013 INFO L82 PathProgramCache]: Analyzing trace with hash -668587843, now seen corresponding path program 1 times [2019-10-15 03:10:51,013 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:51,014 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250812799] [2019-10-15 03:10:51,014 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:51,014 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:51,014 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-15 03:10:51,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250812799] [2019-10-15 03:10:51,886 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537171637] [2019-10-15 03:10:51,887 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 03:10:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:52,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 2834 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:10:52,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:10:52,715 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:52,715 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:10:52,950 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 03:10:52,951 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1185591311] [2019-10-15 03:10:52,982 INFO L162 IcfgInterpreter]: Started Sifa with 159 locations of interest [2019-10-15 03:10:52,982 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:10:52,989 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:10:52,997 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:10:52,998 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs