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_spec8_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:06:52,918 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:06:52,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:06:52,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:06:52,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:06:52,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:06:52,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:06:52,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:06:52,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:06:52,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:06:52,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:06:52,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:06:52,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:06:52,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:06:52,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:06:52,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:06:52,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:06:52,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:06:52,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:06:52,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:06:52,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:06:52,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:06:52,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:06:52,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:06:52,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:06:52,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:06:52,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:06:52,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:06:52,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:06:52,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:06:52,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:06:52,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:06:52,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:06:52,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:06:52,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:06:52,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:06:52,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:06:52,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:06:52,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:06:52,969 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:06:52,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:06:52,970 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 15:06:52,986 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:06:52,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:06:52,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:06:52,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:06:52,988 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:06:52,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:06:52,988 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:06:52,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:06:52,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:06:52,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:06:52,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:06:52,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:06:52,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:06:52,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:06:52,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:06:52,990 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:06:52,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:06:52,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:06:52,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:06:52,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:06:52,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:06:52,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:06:52,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:06:52,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:06:52,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:06:52,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:06:52,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:06:52,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:06:52,993 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 15:06:53,290 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:06:53,310 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:06:53,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:06:53,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:06:53,316 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:06:53,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2019-10-07 15:06:53,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f3a62386/3bfefd6d748d4152b7154b6e4fa1a0ca/FLAG8902c0c82 [2019-10-07 15:06:54,075 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:06:54,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2019-10-07 15:06:54,108 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f3a62386/3bfefd6d748d4152b7154b6e4fa1a0ca/FLAG8902c0c82 [2019-10-07 15:06:54,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f3a62386/3bfefd6d748d4152b7154b6e4fa1a0ca [2019-10-07 15:06:54,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:06:54,235 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:06:54,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:06:54,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:06:54,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:06:54,243 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:06:54" (1/1) ... [2019-10-07 15:06:54,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3824762d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:54, skipping insertion in model container [2019-10-07 15:06:54,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:06:54" (1/1) ... [2019-10-07 15:06:54,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:06:54,331 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:06:55,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:06:55,149 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:06:55,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:06:55,349 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:06:55,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55 WrapperNode [2019-10-07 15:06:55,350 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:06:55,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:06:55,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:06:55,351 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:06:55,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55" (1/1) ... [2019-10-07 15:06:55,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55" (1/1) ... [2019-10-07 15:06:55,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55" (1/1) ... [2019-10-07 15:06:55,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55" (1/1) ... [2019-10-07 15:06:55,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55" (1/1) ... [2019-10-07 15:06:55,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55" (1/1) ... [2019-10-07 15:06:55,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55" (1/1) ... [2019-10-07 15:06:55,544 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:06:55,545 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:06:55,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:06:55,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:06:55,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55" (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 15:06:55,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:06:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:06:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:06:55,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:06:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:06:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:06:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:06:55,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:06:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:06:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:06:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:06:55,622 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:06:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:06:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:06:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:06:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 15:06:55,623 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:06:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:06:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:06:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:06:55,624 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:06:55,625 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:06:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:06:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:06:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:06:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:06:55,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:06:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:06:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:06:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:06:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:06:55,627 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:06:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:06:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:06:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:06:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:06:55,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:06:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:06:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:06:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:06:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:06:55,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:06:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:06:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:06:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:06:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:06:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:06:55,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:06:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:06:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:06:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:06:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:06:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:06:55,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:06:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:06:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:06:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:06:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:06:55,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:06:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:06:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:06:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:06:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:06:55,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:06:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:06:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:06:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:06:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:06:55,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:06:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:06:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:06:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:06:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:06:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:06:55,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:06:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:06:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:06:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:06:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:06:55,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:06:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:06:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:06:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:06:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:06:55,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:06:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:06:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:06:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:06:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:06:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:06:55,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:06:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:06:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:06:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:06:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:06:55,639 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:06:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:06:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:06:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:06:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:06:55,640 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:06:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:06:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:06:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:06:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:06:55,641 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:06:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:06:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:06:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:06:55,642 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:06:55,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:06:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:06:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:06:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:06:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:06:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:06:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:06:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:06:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:06:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:06:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:06:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:06:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:06:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:06:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:06:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:06:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:06:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:06:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:06:55,645 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:06:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:06:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:06:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:06:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:06:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:06:55,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:06:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:06:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:06:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:06:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:06:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:06:55,647 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:06:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:06:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:06:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:06:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:06:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:06:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:06:55,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:06:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:06:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:06:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:06:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:06:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:06:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:06:55,649 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:06:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:06:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:06:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:06:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:06:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:06:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:06:55,650 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:06:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 15:06:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:06:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:06:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:06:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:06:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:06:55,651 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:06:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:06:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:06:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:06:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:06:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:06:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:06:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:06:55,652 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:06:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:06:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:06:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:06:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:06:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:06:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:06:55,653 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:06:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:06:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:06:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:06:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:06:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:06:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:06:55,654 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:06:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:06:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:06:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:06:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:06:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:06:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:06:55,655 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:06:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:06:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:06:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:06:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:06:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:06:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:06:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:06:55,656 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:06:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:06:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:06:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:06:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:06:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:06:55,657 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:06:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:06:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:06:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:06:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:06:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:06:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:06:55,658 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:06:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:06:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:06:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:06:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:06:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:06:55,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:06:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:06:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:06:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:06:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:06:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:06:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:06:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:06:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:06:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:07:00,294 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:07:00,297 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:07:00,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:00 BoogieIcfgContainer [2019-10-07 15:07:00,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:07:00,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:07:00,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:07:00,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:07:00,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:06:54" (1/3) ... [2019-10-07 15:07:00,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f03164a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:00, skipping insertion in model container [2019-10-07 15:07:00,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:06:55" (2/3) ... [2019-10-07 15:07:00,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f03164a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:00, skipping insertion in model container [2019-10-07 15:07:00,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:00" (3/3) ... [2019-10-07 15:07:00,308 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2019-10-07 15:07:00,318 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:07:00,327 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:07:00,339 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:07:00,368 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:07:00,368 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:07:00,368 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:07:00,368 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:07:00,368 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:07:00,368 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:07:00,369 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:07:00,369 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:07:00,395 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states. [2019-10-07 15:07:00,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 15:07:00,412 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:00,414 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] [2019-10-07 15:07:00,416 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:00,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:00,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1817286023, now seen corresponding path program 1 times [2019-10-07 15:07:00,428 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:00,429 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:00,429 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:00,429 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:00,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:01,111 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 15:07:01,112 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:01,113 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:01,113 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:07:01,119 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:07:01,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:07:01,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:07:01,137 INFO L87 Difference]: Start difference. First operand 359 states. Second operand 2 states. [2019-10-07 15:07:01,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:01,245 INFO L93 Difference]: Finished difference Result 469 states and 564 transitions. [2019-10-07 15:07:01,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:07:01,247 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-07 15:07:01,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:01,283 INFO L225 Difference]: With dead ends: 469 [2019-10-07 15:07:01,284 INFO L226 Difference]: Without dead ends: 313 [2019-10-07 15:07:01,295 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 15:07:01,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2019-10-07 15:07:01,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2019-10-07 15:07:01,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2019-10-07 15:07:01,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 373 transitions. [2019-10-07 15:07:01,375 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 373 transitions. Word has length 121 [2019-10-07 15:07:01,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:01,380 INFO L462 AbstractCegarLoop]: Abstraction has 313 states and 373 transitions. [2019-10-07 15:07:01,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:07:01,381 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 373 transitions. [2019-10-07 15:07:01,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 15:07:01,393 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:01,394 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] [2019-10-07 15:07:01,394 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:01,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:01,395 INFO L82 PathProgramCache]: Analyzing trace with hash 1699878372, now seen corresponding path program 1 times [2019-10-07 15:07:01,396 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:01,396 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:01,396 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:01,396 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:01,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:01,623 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 15:07:01,623 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:01,623 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:01,624 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:01,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:01,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:01,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:01,626 INFO L87 Difference]: Start difference. First operand 313 states and 373 transitions. Second operand 3 states. [2019-10-07 15:07:01,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:01,663 INFO L93 Difference]: Finished difference Result 454 states and 533 transitions. [2019-10-07 15:07:01,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:01,664 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-07 15:07:01,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:01,668 INFO L225 Difference]: With dead ends: 454 [2019-10-07 15:07:01,668 INFO L226 Difference]: Without dead ends: 315 [2019-10-07 15:07:01,670 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 15:07:01,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2019-10-07 15:07:01,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2019-10-07 15:07:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2019-10-07 15:07:01,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 375 transitions. [2019-10-07 15:07:01,720 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 375 transitions. Word has length 122 [2019-10-07 15:07:01,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:01,722 INFO L462 AbstractCegarLoop]: Abstraction has 315 states and 375 transitions. [2019-10-07 15:07:01,722 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:01,722 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 375 transitions. [2019-10-07 15:07:01,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-07 15:07:01,728 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:01,728 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] [2019-10-07 15:07:01,728 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:01,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:01,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1129023681, now seen corresponding path program 1 times [2019-10-07 15:07:01,729 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:01,729 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:01,729 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:01,729 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:01,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:02,005 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 15:07:02,005 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:02,005 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:02,005 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:02,007 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:02,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:02,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:02,008 INFO L87 Difference]: Start difference. First operand 315 states and 375 transitions. Second operand 3 states. [2019-10-07 15:07:02,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:02,064 INFO L93 Difference]: Finished difference Result 612 states and 757 transitions. [2019-10-07 15:07:02,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:02,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-07 15:07:02,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:02,074 INFO L225 Difference]: With dead ends: 612 [2019-10-07 15:07:02,074 INFO L226 Difference]: Without dead ends: 355 [2019-10-07 15:07:02,077 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 15:07:02,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2019-10-07 15:07:02,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 354. [2019-10-07 15:07:02,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2019-10-07 15:07:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 443 transitions. [2019-10-07 15:07:02,130 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 443 transitions. Word has length 127 [2019-10-07 15:07:02,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:02,132 INFO L462 AbstractCegarLoop]: Abstraction has 354 states and 443 transitions. [2019-10-07 15:07:02,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 443 transitions. [2019-10-07 15:07:02,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 15:07:02,142 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:02,142 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] [2019-10-07 15:07:02,142 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:02,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:02,143 INFO L82 PathProgramCache]: Analyzing trace with hash 107424851, now seen corresponding path program 1 times [2019-10-07 15:07:02,143 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:02,144 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:02,144 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:02,144 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:02,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:02,460 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 15:07:02,461 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:02,461 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:07:02,461 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 15:07:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:03,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 2452 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:07:03,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:07:03,292 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 15:07:03,292 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:07:03,550 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 15:07:03,551 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:07:03,598 INFO L162 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-10-07 15:07:03,598 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:07:03,607 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:07:03,617 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:07:03,618 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:08:05,261 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 689 [2019-10-07 15:08:09,749 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 306 DAG size of output: 249 [2019-10-07 15:08:10,162 WARN L191 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 728 [2019-10-07 15:08:10,498 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 728 [2019-10-07 15:08:10,834 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 728 [2019-10-07 15:08:11,014 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:11,687 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1026 [2019-10-07 15:08:12,365 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1026 [2019-10-07 15:08:13,009 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1026 [2019-10-07 15:08:13,150 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:13,808 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1026 [2019-10-07 15:08:15,116 WARN L191 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1028 DAG size of output: 1026 [2019-10-07 15:08:15,759 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1026 [2019-10-07 15:08:15,942 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:16,541 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1026 [2019-10-07 15:08:17,176 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1026 [2019-10-07 15:08:17,832 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1026 [2019-10-07 15:08:17,958 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:18,564 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1026 [2019-10-07 15:08:18,590 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 562 for LOIs [2019-10-07 15:08:19,024 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-10-07 15:08:19,133 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 655 [2019-10-07 15:08:19,262 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:08:19,714 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 953 [2019-10-07 15:08:19,716 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1070 for LOIs [2019-10-07 15:08:20,304 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:08:20,886 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1070 [2019-10-07 15:08:21,124 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2019-10-07 15:08:22,047 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1242 [2019-10-07 15:08:22,687 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:23,290 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:23,550 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:24,489 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:25,133 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:25,719 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:26,040 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:26,958 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:27,984 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1076 [2019-10-07 15:08:28,575 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:29,023 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:29,956 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:30,567 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:31,151 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:31,380 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:32,297 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:32,899 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:33,501 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:33,731 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:34,675 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:35,253 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:35,864 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:36,106 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:37,031 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:37,609 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:38,201 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:38,431 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:39,358 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:39,957 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:40,550 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:40,802 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:41,730 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:42,316 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:42,906 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:43,133 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:44,062 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:44,656 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:45,239 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:45,465 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:46,381 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:46,961 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:47,554 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:47,786 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:48,712 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:49,293 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:49,887 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1076 [2019-10-07 15:08:50,115 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:51,037 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:52,031 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:52,958 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:53,202 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:54,134 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:55,900 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 15:08:56,840 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:57,082 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:08:58,011 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:58,951 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:08:59,893 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:00,129 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:09:01,060 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:02,051 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 15:09:02,985 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 15:09:03,223 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:04,167 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 15:09:06,004 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1252 [2019-10-07 15:09:06,942 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 15:09:07,187 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:08,116 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 15:09:09,818 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 15:09:10,773 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 15:09:11,005 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:11,959 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 15:09:12,919 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1255 [2019-10-07 15:09:13,864 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1255 [2019-10-07 15:09:14,098 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:15,032 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1255 [2019-10-07 15:09:15,973 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 1257 [2019-10-07 15:09:16,923 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1257 [2019-10-07 15:09:17,161 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:18,113 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1257 [2019-10-07 15:09:20,296 WARN L191 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 15:09:21,254 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:21,508 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:09:22,451 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:24,174 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 15:09:25,122 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:25,373 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:09:26,322 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:27,272 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:28,223 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:28,456 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:09:29,398 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:32,509 WARN L191 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 15:09:33,467 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:33,710 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:09:34,645 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:36,399 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1250 DAG size of output: 1248 [2019-10-07 15:09:37,350 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:37,599 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:09:38,558 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:39,506 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:40,447 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:40,676 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2019-10-07 15:09:41,627 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1248 [2019-10-07 15:09:44,249 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 15:09:45,201 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 15:09:45,458 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:46,418 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 15:09:48,149 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1250 [2019-10-07 15:09:49,095 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 15:09:49,341 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:50,324 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 15:09:51,277 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 15:09:52,235 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 15:09:52,471 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:53,421 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1252 [2019-10-07 15:09:54,384 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1255 [2019-10-07 15:09:55,340 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1255 [2019-10-07 15:09:55,583 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:56,561 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1255 [2019-10-07 15:09:57,512 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1257 [2019-10-07 15:09:58,479 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1257 [2019-10-07 15:09:58,720 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:09:59,681 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1257 [2019-10-07 15:09:59,949 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:09:59,951 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 15:09:59,962 INFO L168 Benchmark]: Toolchain (without parser) took 185726.50 ms. Allocated memory was 146.3 MB in the beginning and 615.5 MB in the end (delta: 469.2 MB). Free memory was 101.7 MB in the beginning and 488.3 MB in the end (delta: -386.6 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:09:59,965 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:09:59,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1113.79 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 101.2 MB in the beginning and 139.2 MB in the end (delta: -37.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:09:59,966 INFO L168 Benchmark]: Boogie Preprocessor took 194.08 ms. Allocated memory is still 202.4 MB. Free memory was 139.2 MB in the beginning and 129.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:09:59,967 INFO L168 Benchmark]: RCFGBuilder took 4753.86 ms. Allocated memory was 202.4 MB in the beginning and 289.4 MB in the end (delta: 87.0 MB). Free memory was 129.7 MB in the beginning and 234.0 MB in the end (delta: -104.3 MB). Peak memory consumption was 137.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:09:59,967 INFO L168 Benchmark]: TraceAbstraction took 179659.70 ms. Allocated memory was 289.4 MB in the beginning and 615.5 MB in the end (delta: 326.1 MB). Free memory was 234.0 MB in the beginning and 488.3 MB in the end (delta: -254.2 MB). Peak memory consumption was 71.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:09:59,979 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1113.79 ms. Allocated memory was 146.3 MB in the beginning and 202.4 MB in the end (delta: 56.1 MB). Free memory was 101.2 MB in the beginning and 139.2 MB in the end (delta: -37.9 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 194.08 ms. Allocated memory is still 202.4 MB. Free memory was 139.2 MB in the beginning and 129.7 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4753.86 ms. Allocated memory was 202.4 MB in the beginning and 289.4 MB in the end (delta: 87.0 MB). Free memory was 129.7 MB in the beginning and 234.0 MB in the end (delta: -104.3 MB). Peak memory consumption was 137.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 179659.70 ms. Allocated memory was 289.4 MB in the beginning and 615.5 MB in the end (delta: 326.1 MB). Free memory was 234.0 MB in the beginning and 488.3 MB in the end (delta: -254.2 MB). Peak memory consumption was 71.9 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...