/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:17:00,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:17:00,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:17:00,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:17:00,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:17:00,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:17:00,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:17:00,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:17:00,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:17:00,970 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:17:00,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:17:00,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:17:00,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:17:00,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:17:00,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:17:00,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:17:00,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:17:00,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:17:00,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:17:00,987 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:17:00,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:17:00,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:17:00,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:17:01,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:17:01,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:17:01,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:17:01,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:17:01,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:17:01,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:17:01,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:17:01,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:17:01,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:17:01,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:17:01,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:17:01,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:17:01,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:17:01,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:17:01,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:17:01,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:17:01,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:17:01,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:17:01,016 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 [2019-11-07 04:17:01,053 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:17:01,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:17:01,054 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:17:01,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:17:01,054 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:17:01,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:17:01,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:17:01,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:17:01,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:17:01,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:17:01,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:17:01,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:17:01,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:17:01,058 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:17:01,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:17:01,059 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:17:01,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:17:01,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:17:01,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:17:01,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:17:01,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:17:01,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:17:01,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:17:01,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:17:01,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:17:01,061 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:17:01,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:17:01,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:17:01,061 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 [2019-11-07 04:17:01,321 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:17:01,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:17:01,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:17:01,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:17:01,340 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:17:01,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c [2019-11-07 04:17:01,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eadde82c1/d635388973a446708a80372263c60e3b/FLAG44d5e4fdb [2019-11-07 04:17:02,015 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:17:02,015 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product22.cil.c [2019-11-07 04:17:02,057 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eadde82c1/d635388973a446708a80372263c60e3b/FLAG44d5e4fdb [2019-11-07 04:17:02,245 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eadde82c1/d635388973a446708a80372263c60e3b [2019-11-07 04:17:02,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:17:02,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:17:02,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:17:02,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:17:02,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:17:02,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:02" (1/1) ... [2019-11-07 04:17:02,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@637e353a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:02, skipping insertion in model container [2019-11-07 04:17:02,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:02" (1/1) ... [2019-11-07 04:17:02,288 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:17:02,353 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:17:03,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:17:03,214 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:17:03,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:17:03,451 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:17:03,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03 WrapperNode [2019-11-07 04:17:03,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:17:03,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:17:03,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:17:03,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:17:03,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03" (1/1) ... [2019-11-07 04:17:03,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03" (1/1) ... [2019-11-07 04:17:03,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03" (1/1) ... [2019-11-07 04:17:03,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03" (1/1) ... [2019-11-07 04:17:03,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03" (1/1) ... [2019-11-07 04:17:03,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03" (1/1) ... [2019-11-07 04:17:03,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03" (1/1) ... [2019-11-07 04:17:03,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:17:03,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:17:03,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:17:03,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:17:03,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03" (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 [2019-11-07 04:17:03,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:17:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:17:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:17:03,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:17:03,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:17:03,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:17:03,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:17:03,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:17:03,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:17:03,721 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:17:03,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:17:03,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:17:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:17:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:17:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:17:03,723 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:17:03,726 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:17:03,726 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:17:03,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:17:03,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:17:03,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:17:03,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:17:03,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:17:03,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:17:03,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:17:03,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:17:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:17:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:17:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:17:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:17:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:17:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:17:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:17:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:17:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:17:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:17:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:17:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:17:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:17:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:17:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:17:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:17:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 04:17:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:17:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:17:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:17:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:17:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:17:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:17:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:17:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:17:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:17:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:17:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:17:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:17:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:17:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:17:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:17:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:17:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:17:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:17:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:17:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:17:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:17:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:17:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:17:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:17:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:17:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:17:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:17:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:17:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:17:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:17:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:17:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:17:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:17:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:17:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:17:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:17:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:17:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:17:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:17:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:17:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:17:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:17:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:17:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:17:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:17:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:17:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:17:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:17:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:17:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:17:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:17:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:17:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:17:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:17:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:17:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:17:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-11-07 04:17:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:17:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:17:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:17:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:17:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:17:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:17:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:17:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:17:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:17:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:17:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:17:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:17:03,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:17:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:17:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:17:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:17:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:17:03,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:17:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:17:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:17:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:17:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:17:03,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:17:03,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:17:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:17:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:17:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:17:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:17:03,750 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:17:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:17:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:17:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:17:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:17:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:17:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:17:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:17:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:17:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:17:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:17:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:17:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:17:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:17:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:17:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:17:03,764 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:17:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:17:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:17:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:17:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:17:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:17:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:17:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:17:03,765 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:17:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:17:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:17:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:17:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:17:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:17:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:17:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:17:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:17:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:17:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:17:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:17:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:17:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:17:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:17:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:17:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:17:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:17:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:17:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:17:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:17:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:17:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:17:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:17:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:17:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 04:17:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:17:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:17:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:17:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:17:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:17:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:17:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:17:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:17:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:17:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:17:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:17:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:17:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:17:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:17:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:17:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:17:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:17:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:17:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:17:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:17:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:17:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:17:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:17:03,773 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:17:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:17:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:17:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:17:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:17:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:17:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:17:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:17:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:17:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:17:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:17:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:17:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:17:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:17:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:17:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:17:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:17:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:17:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:17:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:17:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:17:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:17:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:17:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:17:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:17:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:17:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:17:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:17:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:17:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:17:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:17:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:17:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:17:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-11-07 04:17:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:17:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:17:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:17:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:17:08,056 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:17:08,057 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:17:08,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:08 BoogieIcfgContainer [2019-11-07 04:17:08,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:17:08,060 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:17:08,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:17:08,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:17:08,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:17:02" (1/3) ... [2019-11-07 04:17:08,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25de5e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:08, skipping insertion in model container [2019-11-07 04:17:08,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:03" (2/3) ... [2019-11-07 04:17:08,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25de5e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:08, skipping insertion in model container [2019-11-07 04:17:08,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:08" (3/3) ... [2019-11-07 04:17:08,067 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product22.cil.c [2019-11-07 04:17:08,077 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:17:08,086 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:17:08,098 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:17:08,127 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:17:08,127 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:17:08,127 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:17:08,128 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:17:08,128 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:17:08,128 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:17:08,128 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:17:08,128 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:17:08,156 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states. [2019-11-07 04:17:08,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-11-07 04:17:08,172 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:08,174 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:08,176 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:08,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:08,183 INFO L82 PathProgramCache]: Analyzing trace with hash 240363842, now seen corresponding path program 1 times [2019-11-07 04:17:08,193 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:08,194 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326906389] [2019-11-07 04:17:08,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:08,883 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:08,884 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326906389] [2019-11-07 04:17:08,885 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:08,886 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:17:08,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564395350] [2019-11-07 04:17:08,893 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:17:08,894 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:08,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:17:08,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:17:08,914 INFO L87 Difference]: Start difference. First operand 372 states. Second operand 2 states. [2019-11-07 04:17:09,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:09,015 INFO L93 Difference]: Finished difference Result 545 states and 644 transitions. [2019-11-07 04:17:09,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:17:09,017 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 114 [2019-11-07 04:17:09,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:09,051 INFO L225 Difference]: With dead ends: 545 [2019-11-07 04:17:09,051 INFO L226 Difference]: Without dead ends: 351 [2019-11-07 04:17:09,061 INFO L630 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 [2019-11-07 04:17:09,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-11-07 04:17:09,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2019-11-07 04:17:09,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-11-07 04:17:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 414 transitions. [2019-11-07 04:17:09,191 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 414 transitions. Word has length 114 [2019-11-07 04:17:09,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:09,195 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 414 transitions. [2019-11-07 04:17:09,195 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:17:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 414 transitions. [2019-11-07 04:17:09,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-07 04:17:09,206 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:09,207 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:09,207 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:09,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:09,207 INFO L82 PathProgramCache]: Analyzing trace with hash -1274806318, now seen corresponding path program 1 times [2019-11-07 04:17:09,208 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:09,208 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119293653] [2019-11-07 04:17:09,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:09,459 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119293653] [2019-11-07 04:17:09,459 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:09,460 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:09,460 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419843670] [2019-11-07 04:17:09,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:09,462 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:09,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:09,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:09,463 INFO L87 Difference]: Start difference. First operand 351 states and 414 transitions. Second operand 3 states. [2019-11-07 04:17:09,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:09,525 INFO L93 Difference]: Finished difference Result 530 states and 616 transitions. [2019-11-07 04:17:09,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:09,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-11-07 04:17:09,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:09,532 INFO L225 Difference]: With dead ends: 530 [2019-11-07 04:17:09,532 INFO L226 Difference]: Without dead ends: 353 [2019-11-07 04:17:09,536 INFO L630 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 [2019-11-07 04:17:09,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2019-11-07 04:17:09,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 353. [2019-11-07 04:17:09,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2019-11-07 04:17:09,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 416 transitions. [2019-11-07 04:17:09,571 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 416 transitions. Word has length 115 [2019-11-07 04:17:09,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:09,572 INFO L462 AbstractCegarLoop]: Abstraction has 353 states and 416 transitions. [2019-11-07 04:17:09,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:09,572 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 416 transitions. [2019-11-07 04:17:09,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-07 04:17:09,575 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:09,575 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:09,575 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:09,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:09,576 INFO L82 PathProgramCache]: Analyzing trace with hash 994264163, now seen corresponding path program 1 times [2019-11-07 04:17:09,576 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:09,576 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956418570] [2019-11-07 04:17:09,576 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:09,720 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:09,720 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956418570] [2019-11-07 04:17:09,720 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:09,721 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:09,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621658205] [2019-11-07 04:17:09,722 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:09,722 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:09,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:09,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:09,723 INFO L87 Difference]: Start difference. First operand 353 states and 416 transitions. Second operand 3 states. [2019-11-07 04:17:09,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:09,758 INFO L93 Difference]: Finished difference Result 690 states and 842 transitions. [2019-11-07 04:17:09,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:09,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-11-07 04:17:09,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:09,762 INFO L225 Difference]: With dead ends: 690 [2019-11-07 04:17:09,762 INFO L226 Difference]: Without dead ends: 395 [2019-11-07 04:17:09,764 INFO L630 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 [2019-11-07 04:17:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-11-07 04:17:09,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 394. [2019-11-07 04:17:09,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2019-11-07 04:17:09,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 487 transitions. [2019-11-07 04:17:09,784 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 487 transitions. Word has length 127 [2019-11-07 04:17:09,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:09,785 INFO L462 AbstractCegarLoop]: Abstraction has 394 states and 487 transitions. [2019-11-07 04:17:09,785 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:09,785 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 487 transitions. [2019-11-07 04:17:09,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-07 04:17:09,789 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:09,789 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:09,789 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:09,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:09,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1259832824, now seen corresponding path program 1 times [2019-11-07 04:17:09,790 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:09,790 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862237277] [2019-11-07 04:17:09,791 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:10,093 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:10,094 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862237277] [2019-11-07 04:17:10,094 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [98779610] [2019-11-07 04:17:10,094 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 [2019-11-07 04:17:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:10,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:17:10,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:17:10,772 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:10,773 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:17:11,040 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:11,041 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1411002040] [2019-11-07 04:17:11,071 INFO L159 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-11-07 04:17:11,071 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:17:11,078 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:17:11,085 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:17:11,085 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs