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_spec7_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:16:42,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:16:42,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:16:42,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:16:42,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:16:42,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:16:42,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:16:42,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:16:42,411 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:16:42,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:16:42,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:16:42,415 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:16:42,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:16:42,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:16:42,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:16:42,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:16:42,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:16:42,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:16:42,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:16:42,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:16:42,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:16:42,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:16:42,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:16:42,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:16:42,453 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:16:42,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:16:42,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:16:42,456 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:16:42,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:16:42,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:16:42,458 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:16:42,459 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:16:42,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:16:42,460 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:16:42,461 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:16:42,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:16:42,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:16:42,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:16:42,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:16:42,464 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:16:42,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:16:42,465 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 03:16:42,480 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:16:42,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:16:42,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:16:42,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:16:42,482 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:16:42,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:16:42,482 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:16:42,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:16:42,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:16:42,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:16:42,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:16:42,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:16:42,483 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:16:42,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:16:42,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:16:42,484 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:16:42,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:16:42,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:16:42,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:16:42,485 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:16:42,485 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:16:42,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:42,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:16:42,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:16:42,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:16:42,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:16:42,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:16:42,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:16:42,487 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 03:16:42,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:16:42,787 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:16:42,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:16:42,792 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:16:42,793 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:16:42,794 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product34.cil.c [2019-10-15 03:16:42,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd4687d10/da25c22fdea647ad959a17c64f878078/FLAGbbb7e2774 [2019-10-15 03:16:43,548 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:16:43,549 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product34.cil.c [2019-10-15 03:16:43,576 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd4687d10/da25c22fdea647ad959a17c64f878078/FLAGbbb7e2774 [2019-10-15 03:16:43,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd4687d10/da25c22fdea647ad959a17c64f878078 [2019-10-15 03:16:43,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:16:43,763 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:16:43,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:43,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:16:43,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:16:43,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:43" (1/1) ... [2019-10-15 03:16:43,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6e6c1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:43, skipping insertion in model container [2019-10-15 03:16:43,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:43" (1/1) ... [2019-10-15 03:16:43,781 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:16:43,867 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:16:44,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:44,745 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:16:44,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:44,984 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:16:44,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44 WrapperNode [2019-10-15 03:16:44,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:44,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:16:44,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:16:44,988 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:16:45,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44" (1/1) ... [2019-10-15 03:16:45,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44" (1/1) ... [2019-10-15 03:16:45,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44" (1/1) ... [2019-10-15 03:16:45,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44" (1/1) ... [2019-10-15 03:16:45,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44" (1/1) ... [2019-10-15 03:16:45,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44" (1/1) ... [2019-10-15 03:16:45,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44" (1/1) ... [2019-10-15 03:16:45,199 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:16:45,200 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:16:45,200 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:16:45,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:16:45,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:16:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:16:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:16:45,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:16:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:45,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:16:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:16:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:16:45,289 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:16:45,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:16:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:16:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:16:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:16:45,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:16:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:16:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:16:45,294 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:16:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:16:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:16:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:16:45,295 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:16:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:16:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:16:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:16:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:16:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:16:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:16:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:16:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:16:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:16:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:16:45,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:16:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:16:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:16:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:16:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:16:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:16:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:16:45,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:16:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:16:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:16:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:16:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:16:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:16:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:16:45,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:16:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:16:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:16:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:16:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:16:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:16:45,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:16:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:16:45,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:16:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:16:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:16:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:16:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:16:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:16:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:16:45,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:16:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:16:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:16:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:16:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:16:45,304 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:16:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:16:45,305 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:16:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:16:45,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:16:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:16:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:16:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:16:45,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:16:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:16:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:16:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:16:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:16:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:16:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:16:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:16:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:16:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:16:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:16:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:16:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:16:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:16:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:16:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:16:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:16:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:16:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:16:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:16:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:16:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:16:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:16:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:16:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:16:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:16:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:16:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:16:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:16:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:16:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:16:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:16:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:16:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:16:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:16:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:16:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:16:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:16:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:16:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:16:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:16:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:16:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:16:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:16:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:16:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:16:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:16:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:16:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:16:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:16:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:16:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:16:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:16:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:16:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:16:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:16:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:16:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:16:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:16:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:16:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:16:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:16:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:16:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:16:45,334 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:16:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:16:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:16:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:16:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:16:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:16:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:16:45,335 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:16:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:16:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:16:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:16:45,336 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:16:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:16:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:16:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:16:45,337 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:16:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:16:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:16:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:16:45,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:16:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:16:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:16:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:16:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:16:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:16:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:16:45,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:16:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:16:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:16:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:16:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:16:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:16:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:16:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:16:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:16:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:16:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-15 03:16:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:16:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:16:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:16:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:16:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:16:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:16:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:16:45,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:16:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:16:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:16:45,343 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:16:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:16:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:16:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:16:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:16:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:16:45,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:16:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:16:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:16:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:16:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:16:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:16:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:16:45,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:16:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:16:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:16:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:16:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:16:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:16:45,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:16:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:16:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:16:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:16:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:16:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:16:45,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:16:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:16:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:16:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:16:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:16:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:16:45,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:16:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:16:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:16:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:16:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:16:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:16:45,349 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:16:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:16:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:16:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:16:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:16:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:16:45,350 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:16:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:16:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:16:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:16:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:16:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:16:45,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:16:45,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:16:50,008 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:16:50,008 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:16:50,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:50 BoogieIcfgContainer [2019-10-15 03:16:50,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:16:50,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:16:50,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:16:50,015 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:16:50,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:16:43" (1/3) ... [2019-10-15 03:16:50,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d770fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:50, skipping insertion in model container [2019-10-15 03:16:50,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:44" (2/3) ... [2019-10-15 03:16:50,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63d770fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:50, skipping insertion in model container [2019-10-15 03:16:50,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:50" (3/3) ... [2019-10-15 03:16:50,019 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product34.cil.c [2019-10-15 03:16:50,029 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:16:50,037 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:16:50,048 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:16:50,076 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:16:50,076 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:16:50,077 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:16:50,077 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:16:50,077 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:16:50,077 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:16:50,077 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:16:50,077 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:16:50,108 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states. [2019-10-15 03:16:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-15 03:16:50,127 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:50,129 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:50,131 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:50,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:50,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1698442809, now seen corresponding path program 1 times [2019-10-15 03:16:50,150 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:50,151 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426804926] [2019-10-15 03:16:50,151 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:50,152 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:50,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:50,812 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:50,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426804926] [2019-10-15 03:16:50,814 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:50,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:16:50,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608323198] [2019-10-15 03:16:50,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:16:50,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:50,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:16:50,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:16:50,837 INFO L87 Difference]: Start difference. First operand 451 states. Second operand 2 states. [2019-10-15 03:16:50,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:50,920 INFO L93 Difference]: Finished difference Result 684 states and 817 transitions. [2019-10-15 03:16:50,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:16:50,922 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-15 03:16:50,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:50,951 INFO L225 Difference]: With dead ends: 684 [2019-10-15 03:16:50,952 INFO L226 Difference]: Without dead ends: 424 [2019-10-15 03:16:50,966 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 03:16:50,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-10-15 03:16:51,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2019-10-15 03:16:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2019-10-15 03:16:51,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 501 transitions. [2019-10-15 03:16:51,113 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 501 transitions. Word has length 152 [2019-10-15 03:16:51,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:51,115 INFO L462 AbstractCegarLoop]: Abstraction has 424 states and 501 transitions. [2019-10-15 03:16:51,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:16:51,116 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 501 transitions. [2019-10-15 03:16:51,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 03:16:51,122 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:51,125 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:51,126 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:51,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:51,126 INFO L82 PathProgramCache]: Analyzing trace with hash 623020727, now seen corresponding path program 1 times [2019-10-15 03:16:51,127 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:51,127 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031706788] [2019-10-15 03:16:51,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:51,127 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:51,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:51,495 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:51,496 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031706788] [2019-10-15 03:16:51,496 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:51,496 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:51,497 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691147874] [2019-10-15 03:16:51,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:51,500 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:51,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:51,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:51,501 INFO L87 Difference]: Start difference. First operand 424 states and 501 transitions. Second operand 3 states. [2019-10-15 03:16:51,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:51,566 INFO L93 Difference]: Finished difference Result 669 states and 782 transitions. [2019-10-15 03:16:51,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:51,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-15 03:16:51,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:51,577 INFO L225 Difference]: With dead ends: 669 [2019-10-15 03:16:51,577 INFO L226 Difference]: Without dead ends: 426 [2019-10-15 03:16:51,579 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 03:16:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-10-15 03:16:51,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2019-10-15 03:16:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-15 03:16:51,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 503 transitions. [2019-10-15 03:16:51,612 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 503 transitions. Word has length 153 [2019-10-15 03:16:51,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:51,613 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 503 transitions. [2019-10-15 03:16:51,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:51,613 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 503 transitions. [2019-10-15 03:16:51,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-15 03:16:51,617 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:51,617 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:51,618 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:51,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:51,618 INFO L82 PathProgramCache]: Analyzing trace with hash -191449234, now seen corresponding path program 1 times [2019-10-15 03:16:51,618 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:51,619 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183139054] [2019-10-15 03:16:51,619 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:51,619 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:51,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:51,903 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:51,904 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183139054] [2019-10-15 03:16:51,904 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:51,905 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:51,905 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482073862] [2019-10-15 03:16:51,906 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:51,906 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:51,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:51,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:51,907 INFO L87 Difference]: Start difference. First operand 426 states and 503 transitions. Second operand 3 states. [2019-10-15 03:16:51,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:51,988 INFO L93 Difference]: Finished difference Result 836 states and 1016 transitions. [2019-10-15 03:16:51,988 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:51,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-15 03:16:51,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:51,995 INFO L225 Difference]: With dead ends: 836 [2019-10-15 03:16:51,995 INFO L226 Difference]: Without dead ends: 468 [2019-10-15 03:16:51,998 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 03:16:51,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2019-10-15 03:16:52,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 467. [2019-10-15 03:16:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 467 states. [2019-10-15 03:16:52,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 574 transitions. [2019-10-15 03:16:52,061 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 574 transitions. Word has length 158 [2019-10-15 03:16:52,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:52,063 INFO L462 AbstractCegarLoop]: Abstraction has 467 states and 574 transitions. [2019-10-15 03:16:52,063 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:52,064 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 574 transitions. [2019-10-15 03:16:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 03:16:52,073 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:52,073 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:16:52,073 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:52,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:52,074 INFO L82 PathProgramCache]: Analyzing trace with hash 464972000, now seen corresponding path program 1 times [2019-10-15 03:16:52,074 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:52,078 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594100635] [2019-10-15 03:16:52,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:52,078 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:52,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:53,077 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:16:53,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594100635] [2019-10-15 03:16:53,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:53,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-15 03:16:53,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529347482] [2019-10-15 03:16:53,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-15 03:16:53,080 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:53,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-15 03:16:53,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:16:53,081 INFO L87 Difference]: Start difference. First operand 467 states and 574 transitions. Second operand 30 states. [2019-10-15 03:17:04,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:04,184 INFO L93 Difference]: Finished difference Result 1028 states and 1271 transitions. [2019-10-15 03:17:04,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-15 03:17:04,185 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 159 [2019-10-15 03:17:04,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:04,193 INFO L225 Difference]: With dead ends: 1028 [2019-10-15 03:17:04,193 INFO L226 Difference]: Without dead ends: 793 [2019-10-15 03:17:04,196 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=2171, Unknown=0, NotChecked=0, Total=2352 [2019-10-15 03:17:04,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2019-10-15 03:17:04,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 781. [2019-10-15 03:17:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2019-10-15 03:17:04,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 968 transitions. [2019-10-15 03:17:04,245 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 968 transitions. Word has length 159 [2019-10-15 03:17:04,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:04,247 INFO L462 AbstractCegarLoop]: Abstraction has 781 states and 968 transitions. [2019-10-15 03:17:04,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-15 03:17:04,247 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 968 transitions. [2019-10-15 03:17:04,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-15 03:17:04,250 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:04,251 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:04,251 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:04,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:04,251 INFO L82 PathProgramCache]: Analyzing trace with hash -2071364317, now seen corresponding path program 1 times [2019-10-15 03:17:04,252 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:04,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520192054] [2019-10-15 03:17:04,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:04,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:04,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:04,489 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:17:04,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520192054] [2019-10-15 03:17:04,490 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:04,490 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:17:04,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014792834] [2019-10-15 03:17:04,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:17:04,492 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:04,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:17:04,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:17:04,494 INFO L87 Difference]: Start difference. First operand 781 states and 968 transitions. Second operand 10 states. [2019-10-15 03:17:04,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:04,575 INFO L93 Difference]: Finished difference Result 790 states and 980 transitions. [2019-10-15 03:17:04,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:17:04,576 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2019-10-15 03:17:04,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:04,583 INFO L225 Difference]: With dead ends: 790 [2019-10-15 03:17:04,583 INFO L226 Difference]: Without dead ends: 787 [2019-10-15 03:17:04,584 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:17:04,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2019-10-15 03:17:04,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 787. [2019-10-15 03:17:04,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2019-10-15 03:17:04,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 975 transitions. [2019-10-15 03:17:04,654 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 975 transitions. Word has length 163 [2019-10-15 03:17:04,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:04,656 INFO L462 AbstractCegarLoop]: Abstraction has 787 states and 975 transitions. [2019-10-15 03:17:04,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:17:04,656 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 975 transitions. [2019-10-15 03:17:04,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-15 03:17:04,763 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:04,763 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:17:04,765 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:04,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:04,766 INFO L82 PathProgramCache]: Analyzing trace with hash -1060416333, now seen corresponding path program 1 times [2019-10-15 03:17:04,766 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:04,767 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134253551] [2019-10-15 03:17:04,767 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:04,767 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:04,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:05,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 03:17:05,631 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134253551] [2019-10-15 03:17:05,632 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683648727] [2019-10-15 03:17:05,632 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 03:17:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:06,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 2984 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:17:06,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:17:06,422 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:17:06,423 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:17:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:17:06,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1878447998] [2019-10-15 03:17:06,832 INFO L162 IcfgInterpreter]: Started Sifa with 150 locations of interest [2019-10-15 03:17:06,832 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:17:06,840 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:17:06,848 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:17:06,849 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs