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_spec3_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:53:10,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:53:10,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:53:10,566 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:53:10,567 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:53:10,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:53:10,569 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:53:10,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:53:10,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:53:10,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:53:10,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:53:10,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:53:10,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:53:10,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:53:10,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:53:10,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:53:10,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:53:10,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:53:10,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:53:10,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:53:10,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:53:10,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:53:10,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:53:10,587 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:53:10,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:53:10,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:53:10,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:53:10,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:53:10,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:53:10,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:53:10,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:53:10,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:53:10,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:53:10,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:53:10,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:53:10,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:53:10,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:53:10,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:53:10,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:53:10,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:53:10,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:53:10,599 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 [2019-10-07 14:53:10,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:53:10,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:53:10,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:53:10,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:53:10,614 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:53:10,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:53:10,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:53:10,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:53:10,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:53:10,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:53:10,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:53:10,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:53:10,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:53:10,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:53:10,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:53:10,616 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:53:10,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:53:10,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:53:10,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:53:10,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:53:10,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:53:10,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:53:10,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:53:10,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:53:10,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:53:10,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:53:10,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:53:10,618 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:53:10,619 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 [2019-10-07 14:53:10,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:53:10,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:53:10,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:53:10,916 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:53:10,917 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:53:10,917 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product27.cil.c [2019-10-07 14:53:10,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8bb60a39/d086820b0cc54fee896e5272a4b6a47b/FLAG6f84b5c1a [2019-10-07 14:53:11,605 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:53:11,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product27.cil.c [2019-10-07 14:53:11,627 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8bb60a39/d086820b0cc54fee896e5272a4b6a47b/FLAG6f84b5c1a [2019-10-07 14:53:11,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8bb60a39/d086820b0cc54fee896e5272a4b6a47b [2019-10-07 14:53:11,826 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:53:11,828 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:53:11,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:53:11,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:53:11,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:53:11,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:11" (1/1) ... [2019-10-07 14:53:11,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ad58572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:11, skipping insertion in model container [2019-10-07 14:53:11,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:11" (1/1) ... [2019-10-07 14:53:11,843 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:53:11,915 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:53:12,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:53:12,648 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:53:12,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:53:12,856 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:53:12,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12 WrapperNode [2019-10-07 14:53:12,857 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:53:12,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:53:12,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:53:12,858 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:53:12,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12" (1/1) ... [2019-10-07 14:53:12,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12" (1/1) ... [2019-10-07 14:53:12,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12" (1/1) ... [2019-10-07 14:53:12,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12" (1/1) ... [2019-10-07 14:53:12,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12" (1/1) ... [2019-10-07 14:53:12,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12" (1/1) ... [2019-10-07 14:53:12,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12" (1/1) ... [2019-10-07 14:53:13,017 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:53:13,018 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:53:13,018 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:53:13,018 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:53:13,019 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12" (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 [2019-10-07 14:53:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:53:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:53:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:53:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:53:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:53:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:53:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:53:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:53:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:53:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:53:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:53:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:53:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:53:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:53:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:53:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:53:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:53:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:53:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:53:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:53:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:53:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:53:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:53:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:53:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:53:13,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:53:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:53:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:53:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:53:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:53:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:53:13,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:53:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:53:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:53:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:53:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:53:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:53:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:53:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:53:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:53:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:53:13,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:53:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:53:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:53:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:53:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:53:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:53:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:53:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-07 14:53:13,109 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:53:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:53:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:53:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:53:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:53:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:53:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:53:13,110 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:53:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:53:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:53:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:53:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:53:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:53:13,111 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:53:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:53:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:53:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:53:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:53:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:53:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:53:13,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:53:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:53:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:53:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:53:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:53:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:53:13,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:53:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:53:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:53:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:53:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:53:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:53:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:53:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:53:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:53:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:53:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:53:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:53:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:53:13,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:53:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:53:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:53:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:53:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:53:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:53:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:53:13,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:53:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:53:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:53:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:53:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:53:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:53:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:53:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:53:13,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:53:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:53:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:53:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:53:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:53:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:53:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:53:13,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:53:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:53:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:53:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:53:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:53:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:53:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:53:13,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:53:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:53:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:53:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:53:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:53:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:53:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:53:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:53:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:53:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:53:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:53:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:53:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:53:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:53:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:53:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:53:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:53:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:53:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:53:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:53:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:53:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:53:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:53:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:53:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:53:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:53:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:53:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:53:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:53:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:53:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:53:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:53:13,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:53:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:53:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:53:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:53:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:53:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:53:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:53:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:53:13,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:53:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:53:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:53:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:53:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:53:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:53:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:53:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:53:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:53:13,126 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:53:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:53:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:53:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:53:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:53:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:53:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:53:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:53:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:53:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:53:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:53:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:53:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:53:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:53:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:53:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:53:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:53:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:53:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:53:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:53:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:53:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:53:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:53:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:53:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:53:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:53:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:53:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:53:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:53:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:53:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:53:13,131 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:53:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:53:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:53:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:53:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:53:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-07 14:53:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:53:13,132 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:53:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:53:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:53:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:53:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:53:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:53:13,133 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:53:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:53:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:53:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:53:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:53:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:53:13,134 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:53:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:53:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:53:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:53:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:53:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:53:13,135 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:53:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:53:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:53:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:53:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:53:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:53:13,136 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:53:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:53:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:53:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:53:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:53:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:53:13,137 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:53:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:53:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:53:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:53:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:53:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:53:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:53:13,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:53:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:53:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:53:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:53:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:53:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:53:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:53:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:53:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:53:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:53:17,586 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:53:17,586 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:53:17,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:17 BoogieIcfgContainer [2019-10-07 14:53:17,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:53:17,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:53:17,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:53:17,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:53:17,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:53:11" (1/3) ... [2019-10-07 14:53:17,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42338d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:17, skipping insertion in model container [2019-10-07 14:53:17,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:12" (2/3) ... [2019-10-07 14:53:17,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42338d0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:17, skipping insertion in model container [2019-10-07 14:53:17,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:17" (3/3) ... [2019-10-07 14:53:17,602 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product27.cil.c [2019-10-07 14:53:17,612 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:53:17,620 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:53:17,630 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:53:17,659 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:53:17,659 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:53:17,659 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:53:17,660 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:53:17,660 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:53:17,660 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:53:17,660 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:53:17,660 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:53:17,701 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states. [2019-10-07 14:53:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-07 14:53:17,734 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:17,735 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:17,738 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:17,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:17,744 INFO L82 PathProgramCache]: Analyzing trace with hash -721341714, now seen corresponding path program 1 times [2019-10-07 14:53:17,751 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:17,751 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:17,752 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:17,752 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:17,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:18,453 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:18,453 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:18,454 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:53:18,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:53:18,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:53:18,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:53:18,476 INFO L87 Difference]: Start difference. First operand 439 states. Second operand 2 states. [2019-10-07 14:53:18,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:18,588 INFO L93 Difference]: Finished difference Result 653 states and 778 transitions. [2019-10-07 14:53:18,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:53:18,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 141 [2019-10-07 14:53:18,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:18,612 INFO L225 Difference]: With dead ends: 653 [2019-10-07 14:53:18,612 INFO L226 Difference]: Without dead ends: 412 [2019-10-07 14:53:18,618 INFO L606 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 [2019-10-07 14:53:18,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-10-07 14:53:18,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2019-10-07 14:53:18,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-10-07 14:53:18,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 485 transitions. [2019-10-07 14:53:18,711 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 485 transitions. Word has length 141 [2019-10-07 14:53:18,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:18,714 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 485 transitions. [2019-10-07 14:53:18,714 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:53:18,714 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 485 transitions. [2019-10-07 14:53:18,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-07 14:53:18,722 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:18,722 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:18,723 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:18,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:18,724 INFO L82 PathProgramCache]: Analyzing trace with hash -961450106, now seen corresponding path program 1 times [2019-10-07 14:53:18,724 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:18,724 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:18,724 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:18,724 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:18,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:18,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:19,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:19,022 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:19,023 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:19,023 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:19,030 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:19,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:19,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:19,031 INFO L87 Difference]: Start difference. First operand 412 states and 485 transitions. Second operand 3 states. [2019-10-07 14:53:19,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:19,092 INFO L93 Difference]: Finished difference Result 638 states and 743 transitions. [2019-10-07 14:53:19,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:19,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-10-07 14:53:19,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:19,102 INFO L225 Difference]: With dead ends: 638 [2019-10-07 14:53:19,102 INFO L226 Difference]: Without dead ends: 414 [2019-10-07 14:53:19,107 INFO L606 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 [2019-10-07 14:53:19,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-10-07 14:53:19,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2019-10-07 14:53:19,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-07 14:53:19,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 487 transitions. [2019-10-07 14:53:19,157 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 487 transitions. Word has length 142 [2019-10-07 14:53:19,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:19,158 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 487 transitions. [2019-10-07 14:53:19,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 487 transitions. [2019-10-07 14:53:19,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 14:53:19,161 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:19,161 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:19,161 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:19,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:19,162 INFO L82 PathProgramCache]: Analyzing trace with hash -1649681840, now seen corresponding path program 1 times [2019-10-07 14:53:19,162 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:19,162 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:19,162 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:19,162 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:19,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:19,385 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:19,385 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:19,386 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:19,386 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:19,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:19,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:19,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:19,388 INFO L87 Difference]: Start difference. First operand 414 states and 487 transitions. Second operand 3 states. [2019-10-07 14:53:19,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:19,421 INFO L93 Difference]: Finished difference Result 814 states and 987 transitions. [2019-10-07 14:53:19,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:19,422 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-07 14:53:19,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:19,425 INFO L225 Difference]: With dead ends: 814 [2019-10-07 14:53:19,425 INFO L226 Difference]: Without dead ends: 458 [2019-10-07 14:53:19,427 INFO L606 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 [2019-10-07 14:53:19,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-10-07 14:53:19,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 457. [2019-10-07 14:53:19,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-10-07 14:53:19,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 561 transitions. [2019-10-07 14:53:19,447 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 561 transitions. Word has length 154 [2019-10-07 14:53:19,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:19,448 INFO L462 AbstractCegarLoop]: Abstraction has 457 states and 561 transitions. [2019-10-07 14:53:19,448 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:19,448 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 561 transitions. [2019-10-07 14:53:19,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-07 14:53:19,452 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:19,452 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:19,452 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:19,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:19,453 INFO L82 PathProgramCache]: Analyzing trace with hash -1213551604, now seen corresponding path program 1 times [2019-10-07 14:53:19,453 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:19,453 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:19,453 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:19,453 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:19,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:53:20,286 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:20,286 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:20,287 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-07 14:53:20,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-07 14:53:20,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-07 14:53:20,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2019-10-07 14:53:20,290 INFO L87 Difference]: Start difference. First operand 457 states and 561 transitions. Second operand 25 states. [2019-10-07 14:53:34,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:34,262 INFO L93 Difference]: Finished difference Result 1256 states and 1503 transitions. [2019-10-07 14:53:34,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-10-07 14:53:34,263 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 155 [2019-10-07 14:53:34,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:34,275 INFO L225 Difference]: With dead ends: 1256 [2019-10-07 14:53:34,276 INFO L226 Difference]: Without dead ends: 1032 [2019-10-07 14:53:34,283 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=404, Invalid=3018, Unknown=0, NotChecked=0, Total=3422 [2019-10-07 14:53:34,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2019-10-07 14:53:34,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1021. [2019-10-07 14:53:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1021 states. [2019-10-07 14:53:34,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1021 states to 1021 states and 1218 transitions. [2019-10-07 14:53:34,437 INFO L78 Accepts]: Start accepts. Automaton has 1021 states and 1218 transitions. Word has length 155 [2019-10-07 14:53:34,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:34,438 INFO L462 AbstractCegarLoop]: Abstraction has 1021 states and 1218 transitions. [2019-10-07 14:53:34,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-07 14:53:34,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1218 transitions. [2019-10-07 14:53:34,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-07 14:53:34,440 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:34,441 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:34,441 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:34,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:34,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1044904695, now seen corresponding path program 1 times [2019-10-07 14:53:34,442 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:34,442 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:34,442 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:34,443 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:34,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:34,664 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:34,665 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:34,665 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:53:34,665 INFO L95 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 [2019-10-07 14:53:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:35,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 2877 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:53:35,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:53:35,392 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:35,393 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:53:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:35,610 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:53:35,645 INFO L162 IcfgInterpreter]: Started Sifa with 150 locations of interest [2019-10-07 14:53:35,645 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:53:35,652 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:53:35,669 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:53:35,670 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:55:02,202 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 724 [2019-10-07 14:55:06,959 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 341 DAG size of output: 277 [2019-10-07 14:55:07,346 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 770 [2019-10-07 14:55:07,716 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 770 [2019-10-07 14:55:07,969 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 770 [2019-10-07 14:55:08,187 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:08,911 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-10-07 14:55:09,599 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-10-07 14:55:10,336 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-10-07 14:55:10,494 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:11,198 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-10-07 14:55:12,589 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1077 DAG size of output: 1075 [2019-10-07 14:55:13,294 WARN L191 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-10-07 14:55:13,449 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:14,172 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-10-07 14:55:14,851 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-10-07 14:55:15,541 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-10-07 14:55:15,669 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:16,374 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 1075 [2019-10-07 14:55:16,400 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 580 for LOIs [2019-10-07 14:55:16,761 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 687 [2019-10-07 14:55:16,887 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 687 [2019-10-07 14:55:17,021 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:17,518 WARN L191 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 992 [2019-10-07 14:55:17,519 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1136 for LOIs [2019-10-07 14:55:18,190 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:18,849 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:19,216 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:20,308 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:20,993 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:21,655 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:21,930 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:23,030 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:23,745 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:24,403 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:24,713 WARN L191 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:25,820 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:26,907 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1337 DAG size of output: 1136 [2019-10-07 14:55:27,568 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:28,059 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 658 DAG size of output: 656 [2019-10-07 14:55:29,159 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:29,840 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:30,508 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:30,772 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:31,843 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:32,504 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:33,161 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:33,427 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:34,493 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:35,143 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:35,810 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:36,071 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:37,141 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:37,803 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:38,457 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:38,718 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:39,784 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:40,437 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:41,093 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:41,352 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:42,422 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:43,076 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:43,732 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:43,992 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:45,060 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:45,714 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:46,372 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:46,634 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:47,702 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:48,352 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:48,999 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:49,261 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:50,317 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:50,972 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:51,627 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1136 [2019-10-07 14:55:51,890 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:52,953 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:54,073 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:55,139 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:55,407 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:55:56,472 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:58,473 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1337 DAG size of output: 1335 [2019-10-07 14:55:59,539 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:55:59,813 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:56:00,871 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:01,943 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:03,014 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:03,275 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:56:04,336 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:05,502 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:06,591 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:06,863 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:56:07,934 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:09,873 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:10,947 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:11,223 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:56:12,296 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:13,366 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:14,437 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:14,699 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:56:15,767 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:17,726 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 1337 [2019-10-07 14:56:18,794 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1337 [2019-10-07 14:56:19,059 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:56:20,131 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:21,199 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:22,283 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:22,552 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:56:23,613 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1341 [2019-10-07 14:56:25,570 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1337 DAG size of output: 1335 [2019-10-07 14:56:26,634 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:26,917 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:56:27,979 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:29,924 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1337 DAG size of output: 1335 [2019-10-07 14:56:30,984 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:31,285 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:56:32,356 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:33,427 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:34,495 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:34,761 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:56:35,837 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:37,803 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1337 DAG size of output: 1335 [2019-10-07 14:56:38,865 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:39,134 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:56:40,196 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:42,517 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1337 DAG size of output: 1335 [2019-10-07 14:56:43,576 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:43,841 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:56:44,898 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:45,964 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:47,027 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:47,294 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:56:48,356 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1335 [2019-10-07 14:56:50,298 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1341 DAG size of output: 1337 [2019-10-07 14:56:51,355 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1337 [2019-10-07 14:56:51,624 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:56:52,694 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:53,770 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:54,837 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:55,105 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:56:56,171 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:56:58,105 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1341 DAG size of output: 1337 [2019-10-07 14:56:59,168 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1337 [2019-10-07 14:56:59,429 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:57:00,503 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:57:02,428 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1341 DAG size of output: 1337 [2019-10-07 14:57:03,500 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1337 [2019-10-07 14:57:03,790 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:57:04,858 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:57:06,667 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1343 DAG size of output: 1339 [2019-10-07 14:57:07,723 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1339 [2019-10-07 14:57:07,986 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 659 [2019-10-07 14:57:09,040 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1341 [2019-10-07 14:57:09,307 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:57:09,314 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:57:09,320 INFO L168 Benchmark]: Toolchain (without parser) took 237491.95 ms. Allocated memory was 142.1 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 97.0 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 107.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:09,321 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:57:09,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1028.67 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 96.8 MB in the beginning and 129.3 MB in the end (delta: -32.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:09,322 INFO L168 Benchmark]: Boogie Preprocessor took 159.67 ms. Allocated memory is still 199.8 MB. Free memory was 129.3 MB in the beginning and 120.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:09,323 INFO L168 Benchmark]: RCFGBuilder took 4571.58 ms. Allocated memory was 199.8 MB in the beginning and 319.8 MB in the end (delta: 120.1 MB). Free memory was 120.3 MB in the beginning and 133.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 108.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:09,324 INFO L168 Benchmark]: TraceAbstraction took 231726.77 ms. Allocated memory was 319.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 133.7 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:57:09,327 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1028.67 ms. Allocated memory was 142.1 MB in the beginning and 199.8 MB in the end (delta: 57.7 MB). Free memory was 96.8 MB in the beginning and 129.3 MB in the end (delta: -32.5 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 159.67 ms. Allocated memory is still 199.8 MB. Free memory was 129.3 MB in the beginning and 120.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4571.58 ms. Allocated memory was 199.8 MB in the beginning and 319.8 MB in the end (delta: 120.1 MB). Free memory was 120.3 MB in the beginning and 133.7 MB in the end (delta: -13.5 MB). Peak memory consumption was 108.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 231726.77 ms. Allocated memory was 319.8 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 133.7 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...