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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:12:20,633 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:12:20,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:12:20,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:12:20,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:12:20,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:12:20,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:12:20,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:12:20,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:12:20,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:12:20,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:12:20,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:12:20,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:12:20,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:12:20,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:12:20,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:12:20,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:12:20,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:12:20,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:12:20,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:12:20,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:12:20,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:12:20,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:12:20,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:12:20,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:12:20,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:12:20,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:12:20,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:12:20,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:12:20,711 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:12:20,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:12:20,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:12:20,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:12:20,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:12:20,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:12:20,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:12:20,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:12:20,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:12:20,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:12:20,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:12:20,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:12:20,721 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 03:12:20,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:12:20,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:12:20,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:12:20,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:12:20,740 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:12:20,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:12:20,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:12:20,741 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:12:20,741 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:12:20,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:12:20,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:12:20,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:12:20,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:12:20,742 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:12:20,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:12:20,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:12:20,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:12:20,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:12:20,743 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:12:20,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:12:20,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:12:20,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:12:20,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:12:20,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:12:20,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:12:20,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:12:20,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:12:20,744 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:12:20,745 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 03:12:21,045 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:12:21,064 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:12:21,067 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:12:21,069 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:12:21,069 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:12:21,070 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2019-10-15 03:12:21,137 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c68964fb/e7ee0474693f4ad3a0bca4a356e59d38/FLAGa3bea8c57 [2019-10-15 03:12:21,807 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:12:21,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product29.cil.c [2019-10-15 03:12:21,827 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c68964fb/e7ee0474693f4ad3a0bca4a356e59d38/FLAGa3bea8c57 [2019-10-15 03:12:21,974 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c68964fb/e7ee0474693f4ad3a0bca4a356e59d38 [2019-10-15 03:12:21,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:12:21,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:12:21,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:21,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:12:21,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:12:21,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:21" (1/1) ... [2019-10-15 03:12:21,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191613fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:21, skipping insertion in model container [2019-10-15 03:12:21,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:21" (1/1) ... [2019-10-15 03:12:22,002 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:12:22,077 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:12:22,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:22,884 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:12:22,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:23,095 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:12:23,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23 WrapperNode [2019-10-15 03:12:23,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:23,097 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:12:23,097 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:12:23,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:12:23,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23" (1/1) ... [2019-10-15 03:12:23,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23" (1/1) ... [2019-10-15 03:12:23,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23" (1/1) ... [2019-10-15 03:12:23,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23" (1/1) ... [2019-10-15 03:12:23,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23" (1/1) ... [2019-10-15 03:12:23,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23" (1/1) ... [2019-10-15 03:12:23,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23" (1/1) ... [2019-10-15 03:12:23,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:12:23,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:12:23,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:12:23,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:12:23,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23" (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 03:12:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:12:23,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:12:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:12:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:12:23,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:12:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:12:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:12:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:12:23,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:12:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:12:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:12:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:12:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:12:23,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:12:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:12:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:12:23,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:12:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:12:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:12:23,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:12:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:12:23,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:12:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:12:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:23,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:12:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:12:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:12:23,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:12:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:12:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:12:23,362 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:12:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:12:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:12:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:12:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:12:23,363 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:12:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:12:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:12:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:12:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:23,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:12:23,365 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:12:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:12:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:12:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:12:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:12:23,366 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:12:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:12:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:12:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:12:23,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:12:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:12:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:12:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:12:23,368 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:12:23,369 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:12:23,370 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:12:23,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:12:23,372 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:12:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:12:23,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:12:23,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:12:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:12:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:12:23,376 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:12:23,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:12:23,378 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:23,379 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:12:23,380 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:12:23,381 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:12:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:12:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:12:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:12:23,382 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:12:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:12:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:12:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:12:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:12:23,383 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:12:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:12:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:12:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:12:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:12:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:12:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:12:23,387 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:12:23,388 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:12:23,389 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:12:23,390 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:12:23,394 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:12:23,395 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:23,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:12:23,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:12:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:12:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:12:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:23,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:12:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:23,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:12:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:12:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:12:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:12:23,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:12:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:12:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:12:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:12:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:12:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:12:23,409 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:12:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:12:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:12:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:12:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:12:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:12:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:12:23,410 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:12:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:12:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:12:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:12:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:12:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:12:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:12:23,411 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:12:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:12:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:12:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:12:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:12:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:12:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:12:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:12:23,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:12:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:12:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:12:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:12:23,413 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:12:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:12:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:12:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:12:23,414 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:12:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:12:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:12:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:12:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:12:23,415 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:12:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:12:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:12:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:12:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:12:23,416 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:12:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:12:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:12:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:12:23,417 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:12:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:12:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:12:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:12:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:12:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:12:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:12:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:12:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:12:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:12:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:12:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:12:23,421 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:12:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:12:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:12:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:12:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:12:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:12:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:12:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:12:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:12:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:12:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:12:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:12:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:12:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:12:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:12:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:12:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:12:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:12:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:12:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:12:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:12:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:12:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:12:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:12:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:12:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:12:27,909 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:12:27,909 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:12:27,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:27 BoogieIcfgContainer [2019-10-15 03:12:27,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:12:27,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:12:27,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:12:27,918 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:12:27,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:12:21" (1/3) ... [2019-10-15 03:12:27,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f28caad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:27, skipping insertion in model container [2019-10-15 03:12:27,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:23" (2/3) ... [2019-10-15 03:12:27,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f28caad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:27, skipping insertion in model container [2019-10-15 03:12:27,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:27" (3/3) ... [2019-10-15 03:12:27,981 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product29.cil.c [2019-10-15 03:12:27,994 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:12:28,009 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:12:28,024 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:12:28,072 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:12:28,072 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:12:28,072 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:12:28,072 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:12:28,073 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:12:28,073 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:12:28,073 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:12:28,073 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:12:28,109 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2019-10-15 03:12:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-15 03:12:28,125 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:28,127 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:12:28,129 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:28,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:28,136 INFO L82 PathProgramCache]: Analyzing trace with hash -72604297, now seen corresponding path program 1 times [2019-10-15 03:12:28,145 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:28,145 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328840127] [2019-10-15 03:12:28,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:28,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:28,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:28,775 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328840127] [2019-10-15 03:12:28,776 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:28,776 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:12:28,777 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847833728] [2019-10-15 03:12:28,782 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:12:28,782 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:28,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:12:28,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:12:28,799 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 2 states. [2019-10-15 03:12:28,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:28,892 INFO L93 Difference]: Finished difference Result 583 states and 699 transitions. [2019-10-15 03:12:28,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:12:28,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-15 03:12:28,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:28,927 INFO L225 Difference]: With dead ends: 583 [2019-10-15 03:12:28,927 INFO L226 Difference]: Without dead ends: 370 [2019-10-15 03:12:28,939 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 03:12:28,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2019-10-15 03:12:29,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2019-10-15 03:12:29,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-10-15 03:12:29,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 440 transitions. [2019-10-15 03:12:29,032 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 440 transitions. Word has length 132 [2019-10-15 03:12:29,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:29,035 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 440 transitions. [2019-10-15 03:12:29,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:12:29,035 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 440 transitions. [2019-10-15 03:12:29,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-15 03:12:29,041 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:29,041 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:12:29,041 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:29,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:29,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1824562732, now seen corresponding path program 1 times [2019-10-15 03:12:29,042 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:29,042 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993729558] [2019-10-15 03:12:29,043 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:29,043 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:29,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:29,410 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993729558] [2019-10-15 03:12:29,410 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:29,410 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:29,411 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822449048] [2019-10-15 03:12:29,416 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:29,417 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:29,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:29,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:29,418 INFO L87 Difference]: Start difference. First operand 370 states and 440 transitions. Second operand 3 states. [2019-10-15 03:12:29,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:29,494 INFO L93 Difference]: Finished difference Result 568 states and 667 transitions. [2019-10-15 03:12:29,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:29,494 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-15 03:12:29,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:29,500 INFO L225 Difference]: With dead ends: 568 [2019-10-15 03:12:29,500 INFO L226 Difference]: Without dead ends: 372 [2019-10-15 03:12:29,503 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 03:12:29,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-10-15 03:12:29,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372. [2019-10-15 03:12:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2019-10-15 03:12:29,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 442 transitions. [2019-10-15 03:12:29,549 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 442 transitions. Word has length 133 [2019-10-15 03:12:29,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:29,550 INFO L462 AbstractCegarLoop]: Abstraction has 372 states and 442 transitions. [2019-10-15 03:12:29,550 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 442 transitions. [2019-10-15 03:12:29,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-15 03:12:29,554 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:29,554 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:12:29,555 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:29,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:29,555 INFO L82 PathProgramCache]: Analyzing trace with hash 2115337185, now seen corresponding path program 1 times [2019-10-15 03:12:29,555 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:29,556 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783733717] [2019-10-15 03:12:29,556 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:29,556 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:29,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:29,869 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783733717] [2019-10-15 03:12:29,869 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:29,869 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:29,869 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797977592] [2019-10-15 03:12:29,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:29,872 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:29,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:29,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:29,872 INFO L87 Difference]: Start difference. First operand 372 states and 442 transitions. Second operand 3 states. [2019-10-15 03:12:29,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:29,928 INFO L93 Difference]: Finished difference Result 726 states and 891 transitions. [2019-10-15 03:12:29,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:29,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-15 03:12:29,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:29,932 INFO L225 Difference]: With dead ends: 726 [2019-10-15 03:12:29,932 INFO L226 Difference]: Without dead ends: 412 [2019-10-15 03:12:29,934 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 03:12:29,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-10-15 03:12:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 411. [2019-10-15 03:12:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-10-15 03:12:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 510 transitions. [2019-10-15 03:12:29,959 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 510 transitions. Word has length 138 [2019-10-15 03:12:29,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:29,960 INFO L462 AbstractCegarLoop]: Abstraction has 411 states and 510 transitions. [2019-10-15 03:12:29,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 510 transitions. [2019-10-15 03:12:29,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-15 03:12:29,965 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:29,965 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:12:29,965 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:29,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:29,966 INFO L82 PathProgramCache]: Analyzing trace with hash -792480408, now seen corresponding path program 1 times [2019-10-15 03:12:29,966 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:29,967 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791305776] [2019-10-15 03:12:29,967 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:29,967 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:29,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-15 03:12:30,662 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791305776] [2019-10-15 03:12:30,662 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1464775949] [2019-10-15 03:12:30,663 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 03:12:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:31,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 2691 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:12:31,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:12:31,408 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:31,408 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:12:31,640 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:31,641 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1295951284] [2019-10-15 03:12:31,681 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-15 03:12:31,681 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:12:31,688 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:12:31,695 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:12:31,695 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs