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_spec11_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:11:32,493 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:11:32,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:11:32,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:11:32,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:11:32,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:11:32,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:11:32,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:11:32,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:11:32,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:11:32,538 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:11:32,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:11:32,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:11:32,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:11:32,544 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:11:32,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:11:32,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:11:32,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:11:32,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:11:32,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:11:32,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:11:32,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:11:32,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:11:32,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:11:32,569 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:11:32,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:11:32,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:11:32,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:11:32,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:11:32,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:11:32,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:11:32,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:11:32,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:11:32,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:11:32,579 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:11:32,579 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:11:32,580 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:11:32,580 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:11:32,580 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:11:32,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:11:32,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:11:32,583 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 03:11:32,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:11:32,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:11:32,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:11:32,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:11:32,602 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:11:32,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:11:32,602 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:11:32,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:11:32,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:11:32,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:11:32,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:11:32,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:11:32,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:11:32,603 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:11:32,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:11:32,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:11:32,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:11:32,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:11:32,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:11:32,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:11:32,605 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:11:32,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:11:32,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:11:32,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:11:32,606 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:11:32,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:11:32,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:11:32,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:11:32,607 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 03:11:32,875 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:11:32,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:11:32,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:11:32,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:11:32,901 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:11:32,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product30.cil.c [2019-10-15 03:11:32,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba93aa6f/bd9d105d1f8d4af3a630ee0498c0104b/FLAGb7f607a7f [2019-10-15 03:11:33,619 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:11:33,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product30.cil.c [2019-10-15 03:11:33,648 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba93aa6f/bd9d105d1f8d4af3a630ee0498c0104b/FLAGb7f607a7f [2019-10-15 03:11:33,812 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba93aa6f/bd9d105d1f8d4af3a630ee0498c0104b [2019-10-15 03:11:33,820 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:11:33,822 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:11:33,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:33,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:11:33,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:11:33,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:33" (1/1) ... [2019-10-15 03:11:33,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339cab54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:33, skipping insertion in model container [2019-10-15 03:11:33,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:33" (1/1) ... [2019-10-15 03:11:33,838 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:11:33,907 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:11:34,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:34,649 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:11:34,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:34,894 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:11:34,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34 WrapperNode [2019-10-15 03:11:34,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:34,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:11:34,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:11:34,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:11:34,912 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34" (1/1) ... [2019-10-15 03:11:34,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34" (1/1) ... [2019-10-15 03:11:34,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34" (1/1) ... [2019-10-15 03:11:34,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34" (1/1) ... [2019-10-15 03:11:35,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34" (1/1) ... [2019-10-15 03:11:35,145 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34" (1/1) ... [2019-10-15 03:11:35,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34" (1/1) ... [2019-10-15 03:11:35,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:11:35,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:11:35,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:11:35,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:11:35,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34" (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 03:11:35,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:11:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:11:35,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:11:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:11:35,300 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:11:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:11:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:11:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:11:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:11:35,301 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:11:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:11:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:11:35,302 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:11:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:11:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:11:35,303 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:11:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:11:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:11:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:11:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:11:35,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:11:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:11:35,305 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:11:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:11:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:11:35,306 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:11:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:11:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:11:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:11:35,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:11:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:11:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:11:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:11:35,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:11:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:11:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:11:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:11:35,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:11:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:11:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:11:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:11:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:11:35,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:11:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:11:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:11:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:11:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:11:35,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-15 03:11:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:11:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:11:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:11:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:11:35,312 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:11:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:11:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:11:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:11:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:11:35,313 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:11:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:11:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:11:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:11:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:11:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:11:35,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:11:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:11:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:11:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:11:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:11:35,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:11:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:11:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:11:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:11:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:11:35,316 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:11:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:11:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:11:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:11:35,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:11:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:11:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:35,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:11:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:11:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:11:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:11:35,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:11:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:11:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:11:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:11:35,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:11:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:11:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:11:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:11:35,321 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:11:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:11:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:11:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:11:35,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:11:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:11:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:11:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:11:35,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:11:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:11:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:11:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:11:35,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:11:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:11:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:11:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:11:35,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:11:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:11:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:11:35,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:11:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:11:35,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:11:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:11:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:11:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:11:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:11:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:11:35,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:11:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:11:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:11:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:11:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:11:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:11:35,328 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:11:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:11:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:11:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:11:35,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:11:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:11:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:11:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:11:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:11:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:11:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:11:35,330 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:11:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:11:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:11:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:11:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:11:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:11:35,331 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:11:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:11:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:11:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:11:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:11:35,332 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:11:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:11:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:11:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:11:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:11:35,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:11:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:11:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:11:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:11:35,334 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:11:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:11:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:11:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:11:35,335 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:11:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:11:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:11:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:11:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:11:35,336 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:11:35,337 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:11:35,338 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:11:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:11:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:11:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:11:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:11:35,339 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-15 03:11:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:11:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:11:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:11:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:11:35,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:11:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:11:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:11:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:11:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:11:35,341 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:11:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:11:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:11:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:11:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:11:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:11:35,342 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:11:35,343 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:11:35,344 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:11:35,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:35,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:11:35,347 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:11:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:11:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:11:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:11:35,348 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:11:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:11:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:11:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:11:35,349 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:11:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:11:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:11:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:11:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:11:35,350 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:11:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:11:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:11:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:11:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:11:40,019 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:11:40,019 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:11:40,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:40 BoogieIcfgContainer [2019-10-15 03:11:40,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:11:40,022 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:11:40,022 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:11:40,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:11:40,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:11:33" (1/3) ... [2019-10-15 03:11:40,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132a10e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:40, skipping insertion in model container [2019-10-15 03:11:40,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:34" (2/3) ... [2019-10-15 03:11:40,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132a10e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:40, skipping insertion in model container [2019-10-15 03:11:40,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:40" (3/3) ... [2019-10-15 03:11:40,029 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product30.cil.c [2019-10-15 03:11:40,040 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:11:40,051 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:11:40,065 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:11:40,113 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:11:40,113 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:11:40,113 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:11:40,113 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:11:40,113 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:11:40,113 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:11:40,114 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:11:40,114 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:11:40,144 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2019-10-15 03:11:40,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-15 03:11:40,182 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:40,191 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:40,193 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:40,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:40,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1754397526, now seen corresponding path program 1 times [2019-10-15 03:11:40,213 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:40,213 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920419817] [2019-10-15 03:11:40,213 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:40,214 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:40,214 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 03:11:40,841 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920419817] [2019-10-15 03:11:40,842 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:40,843 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:11:40,843 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433887406] [2019-10-15 03:11:40,851 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:11:40,851 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:40,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:11:40,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:11:40,869 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 2 states. [2019-10-15 03:11:40,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:40,975 INFO L93 Difference]: Finished difference Result 558 states and 662 transitions. [2019-10-15 03:11:40,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:11:40,977 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 174 [2019-10-15 03:11:40,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:40,996 INFO L225 Difference]: With dead ends: 558 [2019-10-15 03:11:40,997 INFO L226 Difference]: Without dead ends: 354 [2019-10-15 03:11:41,004 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 03:11:41,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2019-10-15 03:11:41,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2019-10-15 03:11:41,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-10-15 03:11:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 417 transitions. [2019-10-15 03:11:41,110 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 417 transitions. Word has length 174 [2019-10-15 03:11:41,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:41,113 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 417 transitions. [2019-10-15 03:11:41,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:11:41,113 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 417 transitions. [2019-10-15 03:11:41,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-15 03:11:41,118 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:41,119 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:41,119 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:41,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:41,120 INFO L82 PathProgramCache]: Analyzing trace with hash -885264877, now seen corresponding path program 1 times [2019-10-15 03:11:41,120 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:41,120 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113811761] [2019-10-15 03:11:41,120 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:41,121 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:41,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:41,420 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 03:11:41,421 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113811761] [2019-10-15 03:11:41,421 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:41,421 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:41,422 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445559642] [2019-10-15 03:11:41,427 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:41,428 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:41,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:41,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:41,428 INFO L87 Difference]: Start difference. First operand 354 states and 417 transitions. Second operand 3 states. [2019-10-15 03:11:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:41,483 INFO L93 Difference]: Finished difference Result 543 states and 629 transitions. [2019-10-15 03:11:41,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:41,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-15 03:11:41,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:41,488 INFO L225 Difference]: With dead ends: 543 [2019-10-15 03:11:41,488 INFO L226 Difference]: Without dead ends: 356 [2019-10-15 03:11:41,490 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 03:11:41,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-10-15 03:11:41,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2019-10-15 03:11:41,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-10-15 03:11:41,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 419 transitions. [2019-10-15 03:11:41,522 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 419 transitions. Word has length 175 [2019-10-15 03:11:41,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:41,523 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 419 transitions. [2019-10-15 03:11:41,523 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 419 transitions. [2019-10-15 03:11:41,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-15 03:11:41,528 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:41,528 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:41,528 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:41,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:41,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1310280288, now seen corresponding path program 1 times [2019-10-15 03:11:41,529 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:41,529 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30986051] [2019-10-15 03:11:41,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:41,530 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:41,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:41,834 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 03:11:41,835 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30986051] [2019-10-15 03:11:41,835 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:41,835 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:41,836 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693364060] [2019-10-15 03:11:41,838 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:41,838 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:41,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:41,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:41,839 INFO L87 Difference]: Start difference. First operand 356 states and 419 transitions. Second operand 3 states. [2019-10-15 03:11:41,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:41,901 INFO L93 Difference]: Finished difference Result 694 states and 845 transitions. [2019-10-15 03:11:41,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:41,902 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2019-10-15 03:11:41,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:41,911 INFO L225 Difference]: With dead ends: 694 [2019-10-15 03:11:41,911 INFO L226 Difference]: Without dead ends: 396 [2019-10-15 03:11:41,916 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 03:11:41,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-10-15 03:11:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 395. [2019-10-15 03:11:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-15 03:11:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 487 transitions. [2019-10-15 03:11:41,978 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 487 transitions. Word has length 184 [2019-10-15 03:11:41,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:41,979 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 487 transitions. [2019-10-15 03:11:41,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:41,980 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 487 transitions. [2019-10-15 03:11:41,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-10-15 03:11:41,992 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:41,994 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:41,997 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:41,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:41,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1908063291, now seen corresponding path program 1 times [2019-10-15 03:11:41,999 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:42,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375675869] [2019-10-15 03:11:42,000 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:42,000 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:42,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 03:11:42,336 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375675869] [2019-10-15 03:11:42,337 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:42,337 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:42,337 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303629530] [2019-10-15 03:11:42,338 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:42,338 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:42,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:42,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:42,339 INFO L87 Difference]: Start difference. First operand 395 states and 487 transitions. Second operand 3 states. [2019-10-15 03:11:42,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:42,376 INFO L93 Difference]: Finished difference Result 808 states and 1044 transitions. [2019-10-15 03:11:42,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:42,376 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-10-15 03:11:42,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:42,380 INFO L225 Difference]: With dead ends: 808 [2019-10-15 03:11:42,381 INFO L226 Difference]: Without dead ends: 471 [2019-10-15 03:11:42,382 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 03:11:42,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2019-10-15 03:11:42,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 470. [2019-10-15 03:11:42,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-15 03:11:42,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 617 transitions. [2019-10-15 03:11:42,412 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 617 transitions. Word has length 185 [2019-10-15 03:11:42,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:42,413 INFO L462 AbstractCegarLoop]: Abstraction has 470 states and 617 transitions. [2019-10-15 03:11:42,413 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 617 transitions. [2019-10-15 03:11:42,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-15 03:11:42,418 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:42,418 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:42,419 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:42,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:42,419 INFO L82 PathProgramCache]: Analyzing trace with hash -818260960, now seen corresponding path program 1 times [2019-10-15 03:11:42,420 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:42,420 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609052398] [2019-10-15 03:11:42,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:42,420 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:42,421 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 03:11:42,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609052398] [2019-10-15 03:11:42,701 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:42,702 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:42,702 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025731278] [2019-10-15 03:11:42,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:42,703 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:42,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:42,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:42,703 INFO L87 Difference]: Start difference. First operand 470 states and 617 transitions. Second operand 3 states. [2019-10-15 03:11:42,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:42,742 INFO L93 Difference]: Finished difference Result 1027 states and 1424 transitions. [2019-10-15 03:11:42,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:42,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 186 [2019-10-15 03:11:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:42,748 INFO L225 Difference]: With dead ends: 1027 [2019-10-15 03:11:42,748 INFO L226 Difference]: Without dead ends: 615 [2019-10-15 03:11:42,750 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 03:11:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2019-10-15 03:11:42,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 614. [2019-10-15 03:11:42,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2019-10-15 03:11:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 865 transitions. [2019-10-15 03:11:42,781 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 865 transitions. Word has length 186 [2019-10-15 03:11:42,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:42,782 INFO L462 AbstractCegarLoop]: Abstraction has 614 states and 865 transitions. [2019-10-15 03:11:42,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:42,782 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 865 transitions. [2019-10-15 03:11:42,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-15 03:11:42,787 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:42,787 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:42,787 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:42,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:42,788 INFO L82 PathProgramCache]: Analyzing trace with hash -932633085, now seen corresponding path program 1 times [2019-10-15 03:11:42,788 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:42,788 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236019685] [2019-10-15 03:11:42,788 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:42,789 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:42,789 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:43,504 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:11:43,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236019685] [2019-10-15 03:11:43,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86959705] [2019-10-15 03:11:43,504 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 03:11:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:44,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 2865 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:11:44,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:11:44,224 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 03:11:44,225 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:11:44,605 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-15 03:11:44,606 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1968748119] [2019-10-15 03:11:44,638 INFO L162 IcfgInterpreter]: Started Sifa with 165 locations of interest [2019-10-15 03:11:44,638 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:11:44,646 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:11:44,654 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:11:44,655 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs