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_spec9_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:11:48,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:11:48,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:11:48,788 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:11:48,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:11:48,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:11:48,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:11:48,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:11:48,794 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:11:48,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:11:48,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:11:48,797 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:11:48,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:11:48,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:11:48,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:11:48,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:11:48,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:11:48,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:11:48,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:11:48,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:11:48,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:11:48,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:11:48,809 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:11:48,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:11:48,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:11:48,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:11:48,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:11:48,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:11:48,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:11:48,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:11:48,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:11:48,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:11:48,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:11:48,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:11:48,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:11:48,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:11:48,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:11:48,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:11:48,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:11:48,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:11:48,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:11:48,821 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 15:11:48,835 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:11:48,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:11:48,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:11:48,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:11:48,837 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:11:48,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:11:48,838 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:11:48,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:11:48,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:11:48,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:11:48,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:11:48,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:11:48,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:11:48,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:11:48,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:11:48,840 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:11:48,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:11:48,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:11:48,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:11:48,841 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:11:48,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:11:48,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:11:48,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:11:48,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:11:48,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:11:48,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:11:48,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:11:48,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:11:48,842 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 15:11:49,138 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:11:49,153 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:11:49,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:11:49,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:11:49,160 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:11:49,161 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2019-10-07 15:11:49,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98b84e07/6d1cd7abac144241a216eb4521ef9ffa/FLAG3a218391d [2019-10-07 15:11:49,923 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:11:49,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2019-10-07 15:11:49,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98b84e07/6d1cd7abac144241a216eb4521ef9ffa/FLAG3a218391d [2019-10-07 15:11:50,074 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e98b84e07/6d1cd7abac144241a216eb4521ef9ffa [2019-10-07 15:11:50,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:11:50,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:11:50,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:11:50,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:11:50,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:11:50,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:11:50" (1/1) ... [2019-10-07 15:11:50,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339cab54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:50, skipping insertion in model container [2019-10-07 15:11:50,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:11:50" (1/1) ... [2019-10-07 15:11:50,101 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:11:50,178 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:11:51,047 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:11:51,082 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:11:51,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:11:51,295 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:11:51,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51 WrapperNode [2019-10-07 15:11:51,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:11:51,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:11:51,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:11:51,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:11:51,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51" (1/1) ... [2019-10-07 15:11:51,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51" (1/1) ... [2019-10-07 15:11:51,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51" (1/1) ... [2019-10-07 15:11:51,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51" (1/1) ... [2019-10-07 15:11:51,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51" (1/1) ... [2019-10-07 15:11:51,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51" (1/1) ... [2019-10-07 15:11:51,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51" (1/1) ... [2019-10-07 15:11:51,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:11:51,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:11:51,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:11:51,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:11:51,498 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51" (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 15:11:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:11:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:11:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:11:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:11:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:11:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:11:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:11:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:11:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 15:11:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 15:11:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:11:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:11:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:11:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:11:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:11:51,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:11:51,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:11:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:11:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:11:51,590 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:11:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 15:11:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:11:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:11:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:11:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:11:51,591 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:11:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:11:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:11:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:11:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:11:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:11:51,592 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:11:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:11:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:11:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:11:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:11:51,593 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:11:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:11:51,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:11:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:11:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:11:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:11:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:11:51,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:11:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:11:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:11:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:11:51,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:11:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:11:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:11:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:11:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:11:51,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:11:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:11:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:11:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:11:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:11:51,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:11:51,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:11:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:11:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:11:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:11:51,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:11:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:11:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:11:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:11:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:11:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:11:51,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:11:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:11:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:11:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:11:51,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:11:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:11:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:11:51,603 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:11:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:11:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:11:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:11:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:11:51,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:11:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:11:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:11:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:11:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:11:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:11:51,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:11:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:11:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:11:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:11:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:11:51,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:11:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:11:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:11:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:11:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:11:51,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:11:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:11:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:11:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:11:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:11:51,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:11:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:11:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:11:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:11:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:11:51,610 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:11:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:11:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:11:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:11:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:11:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:11:51,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:11:51,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:11:51,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:11:51,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:11:51,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:11:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:11:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:11:51,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:11:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:11:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:11:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:11:51,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:11:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:11:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:11:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:11:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:11:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:11:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:11:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:11:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:11:51,617 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:11:51,618 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:11:51,624 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:11:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:11:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:11:51,625 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:11:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:11:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 15:11:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 15:11:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:11:51,626 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:11:51,627 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:11:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:11:51,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:11:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:11:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:11:51,634 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:11:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:11:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:11:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:11:51,635 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:11:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:11:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:11:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:11:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:11:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:11:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:11:51,636 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:11:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:11:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:11:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:11:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:11:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:11:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:11:51,637 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:11:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:11:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:11:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:11:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:11:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:11:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:11:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:11:51,638 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:11:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 15:11:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:11:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:11:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:11:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:11:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:11:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:11:51,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:11:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:11:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:11:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:11:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:11:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:11:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:11:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:11:51,640 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:11:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:11:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:11:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:11:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:11:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:11:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:11:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:11:51,641 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:11:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:11:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:11:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:11:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:11:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:11:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:11:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:11:51,642 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:11:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:11:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:11:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:11:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:11:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:11:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:11:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:11:51,643 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:11:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:11:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:11:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:11:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:11:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:11:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:11:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:11:51,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:11:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:11:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:11:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:11:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:11:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:11:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:11:51,645 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:11:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:11:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:11:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:11:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:11:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:11:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:11:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:11:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:11:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:11:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:11:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:11:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:11:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:11:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:11:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:11:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:11:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:11:56,375 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:11:56,376 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:11:56,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:11:56 BoogieIcfgContainer [2019-10-07 15:11:56,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:11:56,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:11:56,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:11:56,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:11:56,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:11:50" (1/3) ... [2019-10-07 15:11:56,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9e29d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:11:56, skipping insertion in model container [2019-10-07 15:11:56,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:11:51" (2/3) ... [2019-10-07 15:11:56,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f9e29d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:11:56, skipping insertion in model container [2019-10-07 15:11:56,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:11:56" (3/3) ... [2019-10-07 15:11:56,386 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product29.cil.c [2019-10-07 15:11:56,396 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:11:56,405 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:11:56,417 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:11:56,446 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:11:56,446 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:11:56,447 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:11:56,447 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:11:56,447 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:11:56,447 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:11:56,447 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:11:56,447 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:11:56,475 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states. [2019-10-07 15:11:56,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 15:11:56,492 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:11:56,494 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] [2019-10-07 15:11:56,496 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:11:56,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:11:56,502 INFO L82 PathProgramCache]: Analyzing trace with hash -149949075, now seen corresponding path program 1 times [2019-10-07 15:11:56,511 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:11:56,511 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:11:56,511 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:11:56,512 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:11:56,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:11:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:11:57,169 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 15:11:57,172 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:11:57,172 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:11:57,172 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:11:57,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:11:57,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:11:57,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:11:57,196 INFO L87 Difference]: Start difference. First operand 421 states. Second operand 2 states. [2019-10-07 15:11:57,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:11:57,363 INFO L93 Difference]: Finished difference Result 589 states and 705 transitions. [2019-10-07 15:11:57,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:11:57,365 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-07 15:11:57,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:11:57,385 INFO L225 Difference]: With dead ends: 589 [2019-10-07 15:11:57,385 INFO L226 Difference]: Without dead ends: 373 [2019-10-07 15:11:57,391 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 15:11:57,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2019-10-07 15:11:57,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2019-10-07 15:11:57,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-07 15:11:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 443 transitions. [2019-10-07 15:11:57,496 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 443 transitions. Word has length 132 [2019-10-07 15:11:57,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:11:57,498 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 443 transitions. [2019-10-07 15:11:57,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:11:57,498 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 443 transitions. [2019-10-07 15:11:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 15:11:57,504 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:11:57,504 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] [2019-10-07 15:11:57,504 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:11:57,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:11:57,505 INFO L82 PathProgramCache]: Analyzing trace with hash 960161321, now seen corresponding path program 1 times [2019-10-07 15:11:57,505 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:11:57,505 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:11:57,505 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:11:57,506 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:11:57,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:11:57,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:11:57,821 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 15:11:57,821 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:11:57,822 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:11:57,822 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:11:57,830 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:11:57,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:11:57,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:11:57,831 INFO L87 Difference]: Start difference. First operand 373 states and 443 transitions. Second operand 3 states. [2019-10-07 15:11:57,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:11:57,904 INFO L93 Difference]: Finished difference Result 574 states and 673 transitions. [2019-10-07 15:11:57,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:11:57,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-07 15:11:57,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:11:57,913 INFO L225 Difference]: With dead ends: 574 [2019-10-07 15:11:57,913 INFO L226 Difference]: Without dead ends: 375 [2019-10-07 15:11:57,918 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 15:11:57,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2019-10-07 15:11:57,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2019-10-07 15:11:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-10-07 15:11:57,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 445 transitions. [2019-10-07 15:11:57,957 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 445 transitions. Word has length 133 [2019-10-07 15:11:57,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:11:57,958 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 445 transitions. [2019-10-07 15:11:57,958 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:11:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 445 transitions. [2019-10-07 15:11:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-10-07 15:11:57,961 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:11:57,961 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] [2019-10-07 15:11:57,962 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:11:57,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:11:57,962 INFO L82 PathProgramCache]: Analyzing trace with hash 2002622308, now seen corresponding path program 1 times [2019-10-07 15:11:57,962 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:11:57,963 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:11:57,963 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:11:57,963 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:11:57,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:11:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:11:58,222 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 15:11:58,222 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:11:58,222 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:11:58,223 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:11:58,226 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:11:58,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:11:58,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:11:58,227 INFO L87 Difference]: Start difference. First operand 375 states and 445 transitions. Second operand 3 states. [2019-10-07 15:11:58,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:11:58,283 INFO L93 Difference]: Finished difference Result 732 states and 897 transitions. [2019-10-07 15:11:58,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:11:58,284 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 138 [2019-10-07 15:11:58,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:11:58,291 INFO L225 Difference]: With dead ends: 732 [2019-10-07 15:11:58,292 INFO L226 Difference]: Without dead ends: 415 [2019-10-07 15:11:58,293 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 15:11:58,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2019-10-07 15:11:58,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 414. [2019-10-07 15:11:58,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 414 states. [2019-10-07 15:11:58,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 513 transitions. [2019-10-07 15:11:58,344 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 513 transitions. Word has length 138 [2019-10-07 15:11:58,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:11:58,346 INFO L462 AbstractCegarLoop]: Abstraction has 414 states and 513 transitions. [2019-10-07 15:11:58,346 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:11:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 513 transitions. [2019-10-07 15:11:58,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-07 15:11:58,352 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:11:58,352 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] [2019-10-07 15:11:58,353 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:11:58,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:11:58,353 INFO L82 PathProgramCache]: Analyzing trace with hash -634608407, now seen corresponding path program 1 times [2019-10-07 15:11:58,353 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:11:58,355 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:11:58,355 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:11:58,355 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:11:58,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:11:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:11:59,344 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-07 15:11:59,345 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:11:59,345 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:11:59,345 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 15:11:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:11:59,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 2733 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:11:59,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:12:00,050 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 15:12:00,051 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:12:00,380 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 15:12:00,380 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:12:00,409 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-07 15:12:00,409 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:12:00,416 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:12:00,424 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:12:00,425 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:13:21,890 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 722 [2019-10-07 15:13:26,880 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 348 DAG size of output: 283 [2019-10-07 15:13:27,314 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 768 [2019-10-07 15:13:27,747 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 768 [2019-10-07 15:13:28,028 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 768 [2019-10-07 15:13:28,193 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:13:28,870 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1072 [2019-10-07 15:13:29,587 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1072 [2019-10-07 15:13:30,332 WARN L191 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 1072 [2019-10-07 15:13:30,477 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:13:31,182 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 1072 [2019-10-07 15:13:32,482 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1074 DAG size of output: 1072 [2019-10-07 15:13:33,138 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1072 [2019-10-07 15:13:33,292 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:13:33,930 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1072 [2019-10-07 15:13:34,636 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 1072 [2019-10-07 15:13:35,288 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1072 [2019-10-07 15:13:35,419 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:13:36,071 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1072 [2019-10-07 15:13:36,105 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 580 for LOIs [2019-10-07 15:13:36,436 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 685 [2019-10-07 15:13:36,549 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 685 [2019-10-07 15:13:36,682 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2019-10-07 15:13:37,190 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 989 [2019-10-07 15:13:37,191 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1124 for LOIs [2019-10-07 15:13:37,809 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 15:13:38,436 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 15:13:38,684 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 15:13:39,699 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 15:13:40,378 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:41,018 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:41,282 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:13:42,289 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:13:43,090 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:43,711 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:44,037 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:13:45,016 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:13:46,109 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1130 [2019-10-07 15:13:46,746 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:47,027 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:13:48,008 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:13:48,692 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:49,309 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:49,555 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:13:50,532 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:13:51,150 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:51,795 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:52,042 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:13:53,029 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:13:53,648 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:54,267 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:54,540 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:13:55,518 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:13:56,150 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:56,766 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:57,027 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:13:58,003 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:13:58,620 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:59,233 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:13:59,470 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:00,441 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:01,058 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:14:01,668 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:14:01,906 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:02,883 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:03,502 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:14:04,118 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:14:04,355 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:05,321 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:05,930 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:14:06,550 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:14:06,789 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:07,769 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:08,384 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:14:09,000 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1130 [2019-10-07 15:14:09,240 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:10,216 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:11,322 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:12,313 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:12,574 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:13,552 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:15,341 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1318 [2019-10-07 15:14:16,321 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:16,571 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:17,560 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:18,542 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:19,520 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:19,762 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:20,742 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:21,883 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:14:22,875 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:14:23,118 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:14:24,096 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:14:26,861 WARN L191 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1320 [2019-10-07 15:14:27,866 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1320 [2019-10-07 15:14:28,116 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:14:29,110 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:14:30,899 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1320 [2019-10-07 15:14:31,900 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 1320 [2019-10-07 15:14:32,142 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:14:33,147 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:14:34,138 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 1320 [2019-10-07 15:14:35,124 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1320 [2019-10-07 15:14:35,369 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:14:36,360 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:14:37,338 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:14:38,338 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:14:38,586 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:14:39,575 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 15:14:42,312 WARN L191 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1318 [2019-10-07 15:14:43,303 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:43,558 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:44,539 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:46,347 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1318 [2019-10-07 15:14:47,335 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:47,603 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:48,601 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:49,592 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:50,582 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:50,828 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:51,814 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:53,649 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1318 [2019-10-07 15:14:54,635 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:54,885 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:55,880 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:57,676 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1320 DAG size of output: 1318 [2019-10-07 15:14:58,664 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:14:58,914 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:14:59,884 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:15:00,870 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:15:01,869 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:15:02,108 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:15:03,097 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1318 [2019-10-07 15:15:04,935 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1322 [2019-10-07 15:15:05,914 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:15:06,163 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:15:07,151 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:15:08,160 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:15:09,191 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:15:09,441 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:15:10,431 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:15:12,228 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1322 [2019-10-07 15:15:13,220 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:15:13,464 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:15:14,461 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:15:16,184 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1327 DAG size of output: 1322 [2019-10-07 15:15:17,182 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:15:17,433 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:15:18,431 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 15:15:20,157 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1329 DAG size of output: 1324 [2019-10-07 15:15:21,163 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 15:15:21,414 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:15:22,411 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 15:15:22,672 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:15:22,673 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 15:15:22,679 INFO L168 Benchmark]: Toolchain (without parser) took 212594.58 ms. Allocated memory was 141.6 MB in the beginning and 641.2 MB in the end (delta: 499.6 MB). Free memory was 96.9 MB in the beginning and 378.3 MB in the end (delta: -281.4 MB). Peak memory consumption was 218.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:22,680 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 118.0 MB in the beginning and 117.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:15:22,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1210.87 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 96.7 MB in the beginning and 133.2 MB in the end (delta: -36.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:22,681 INFO L168 Benchmark]: Boogie Preprocessor took 196.61 ms. Allocated memory is still 200.8 MB. Free memory was 133.2 MB in the beginning and 124.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:22,682 INFO L168 Benchmark]: RCFGBuilder took 4884.33 ms. Allocated memory was 200.8 MB in the beginning and 322.4 MB in the end (delta: 121.6 MB). Free memory was 124.2 MB in the beginning and 141.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:22,682 INFO L168 Benchmark]: TraceAbstraction took 206298.64 ms. Allocated memory was 322.4 MB in the beginning and 641.2 MB in the end (delta: 318.8 MB). Free memory was 141.4 MB in the beginning and 378.3 MB in the end (delta: -236.9 MB). Peak memory consumption was 81.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:15:22,685 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 118.0 MB in the beginning and 117.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1210.87 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 96.7 MB in the beginning and 133.2 MB in the end (delta: -36.5 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 196.61 ms. Allocated memory is still 200.8 MB. Free memory was 133.2 MB in the beginning and 124.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4884.33 ms. Allocated memory was 200.8 MB in the beginning and 322.4 MB in the end (delta: 121.6 MB). Free memory was 124.2 MB in the beginning and 141.4 MB in the end (delta: -17.2 MB). Peak memory consumption was 114.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 206298.64 ms. Allocated memory was 322.4 MB in the beginning and 641.2 MB in the end (delta: 318.8 MB). Free memory was 141.4 MB in the beginning and 378.3 MB in the end (delta: -236.9 MB). Peak memory consumption was 81.9 MB. 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...