java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:52:55,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:52:55,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:52:55,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:52:55,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:52:55,040 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:52:55,042 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:52:55,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:52:55,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:52:55,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:52:55,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:52:55,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:52:55,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:52:55,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:52:55,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:52:55,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:52:55,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:52:55,070 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:52:55,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:52:55,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:52:55,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:52:55,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:52:55,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:52:55,086 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:52:55,088 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:52:55,088 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:52:55,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:52:55,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:52:55,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:52:55,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:52:55,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:52:55,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:52:55,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:52:55,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:52:55,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:52:55,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:52:55,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:52:55,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:52:55,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:52:55,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:52:55,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:52:55,096 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:52:55,110 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:52:55,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:52:55,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:52:55,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:52:55,112 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:52:55,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:52:55,112 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:52:55,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:52:55,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:52:55,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:52:55,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:52:55,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:52:55,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:52:55,114 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:52:55,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:52:55,114 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:52:55,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:52:55,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:52:55,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:52:55,115 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:52:55,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:52:55,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:52:55,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:52:55,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:52:55,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:52:55,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:52:55,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:52:55,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:52:55,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:52:55,397 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:52:55,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:52:55,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:52:55,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:52:55,426 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:52:55,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product24.cil.c [2019-10-07 14:52:55,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caffb5779/11ccb56519e6499aa1846cbf4151609c/FLAG7d47e8a71 [2019-10-07 14:52:56,127 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:52:56,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product24.cil.c [2019-10-07 14:52:56,167 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caffb5779/11ccb56519e6499aa1846cbf4151609c/FLAG7d47e8a71 [2019-10-07 14:52:56,436 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/caffb5779/11ccb56519e6499aa1846cbf4151609c [2019-10-07 14:52:56,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:52:56,447 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:52:56,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:52:56,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:52:56,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:52:56,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:52:56" (1/1) ... [2019-10-07 14:52:56,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b33f87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:56, skipping insertion in model container [2019-10-07 14:52:56,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:52:56" (1/1) ... [2019-10-07 14:52:56,461 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:52:56,548 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:52:57,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:52:57,295 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:52:57,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:52:57,486 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:52:57,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57 WrapperNode [2019-10-07 14:52:57,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:52:57,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:52:57,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:52:57,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:52:57,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57" (1/1) ... [2019-10-07 14:52:57,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57" (1/1) ... [2019-10-07 14:52:57,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57" (1/1) ... [2019-10-07 14:52:57,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57" (1/1) ... [2019-10-07 14:52:57,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57" (1/1) ... [2019-10-07 14:52:57,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57" (1/1) ... [2019-10-07 14:52:57,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57" (1/1) ... [2019-10-07 14:52:57,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:52:57,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:52:57,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:52:57,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:52:57,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:52:57,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:52:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:52:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:52:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:52:57,749 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:52:57,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:52:57,751 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:52:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:52:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:52:57,752 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:52:57,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:52:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:52:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:52:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:52:57,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:52:57,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:52:57,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:52:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:52:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:52:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:52:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:52:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:52:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:52:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:52:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:52:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:52:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:52:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:52:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 14:52:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:52:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:52:57,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:52:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:52:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:52:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:52:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:52:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:52:57,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:52:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:52:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:52:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:52:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:52:57,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:52:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:52:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:52:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:52:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:52:57,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:52:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:52:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:52:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:52:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:52:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:52:57,765 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:52:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:52:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:52:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:52:57,766 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:52:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:52:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:52:57,767 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:52:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:52:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:52:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:52:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:52:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:52:57,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:52:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:52:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:52:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:52:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:52:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:52:57,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:52:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:52:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:52:57,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:52:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:52:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:52:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:52:57,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:52:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:52:57,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:52:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:52:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:52:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:52:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:52:57,774 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:52:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:52:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:52:57,775 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-07 14:52:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:52:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:52:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:52:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:52:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:52:57,776 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:52:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:52:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:52:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:52:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:52:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:52:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:52:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:52:57,777 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:52:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:52:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:52:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:52:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:52:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:52:57,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:52:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:52:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:52:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:52:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:52:57,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:52:57,779 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:52:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:52:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:52:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:52:57,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:52:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:52:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:52:57,781 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:52:57,782 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:52:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:52:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:52:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:52:57,783 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:52:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:52:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:52:57,784 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:52:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:52:57,785 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:52:57,786 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:52:57,789 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:52:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:52:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:52:57,790 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:52:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:52:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:52:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:52:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:52:57,791 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:52:57,792 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:52:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:52:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:52:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:52:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:52:57,801 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:52:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:52:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:52:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:52:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:52:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:52:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:52:57,802 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:52:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:52:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:52:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:52:57,803 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:52:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:52:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:52:57,804 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:52:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:52:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:52:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:52:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:52:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:52:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:52:57,805 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:52:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:52:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:52:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:52:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 14:52:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:52:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:52:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:52:57,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:52:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:52:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:52:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:52:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:52:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:52:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:52:57,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:52:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:52:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:52:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:52:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:52:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:52:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:52:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:52:57,808 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:52:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:52:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:52:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:52:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:52:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:52:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:52:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:52:57,809 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:52:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:52:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:52:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:52:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:52:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:52:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:52:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:52:57,810 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:52:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:52:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:52:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:52:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:52:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:52:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:52:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:52:57,811 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:52:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:52:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:52:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:52:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-07 14:52:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:52:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:52:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:52:57,812 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:52:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:52:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:52:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:52:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:52:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:52:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:52:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:52:57,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:52:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:52:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:52:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:52:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:52:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:52:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:52:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:52:57,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:52:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:52:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:52:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:52:57,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:53:02,468 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:53:02,468 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:53:02,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:02 BoogieIcfgContainer [2019-10-07 14:53:02,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:53:02,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:53:02,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:53:02,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:53:02,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:52:56" (1/3) ... [2019-10-07 14:53:02,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4ffc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:02, skipping insertion in model container [2019-10-07 14:53:02,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:52:57" (2/3) ... [2019-10-07 14:53:02,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4ffc7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:02, skipping insertion in model container [2019-10-07 14:53:02,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:02" (3/3) ... [2019-10-07 14:53:02,478 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product24.cil.c [2019-10-07 14:53:02,488 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:53:02,497 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:53:02,509 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:53:02,539 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:53:02,540 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:53:02,540 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:53:02,540 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:53:02,540 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:53:02,540 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:53:02,540 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:53:02,541 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:53:02,571 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states. [2019-10-07 14:53:02,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-07 14:53:02,590 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:02,591 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:02,593 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:02,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:02,600 INFO L82 PathProgramCache]: Analyzing trace with hash 970440921, now seen corresponding path program 1 times [2019-10-07 14:53:02,609 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:02,610 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:02,610 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:02,610 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:02,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:03,246 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:03,246 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:03,247 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:53:03,254 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:53:03,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:53:03,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:53:03,270 INFO L87 Difference]: Start difference. First operand 394 states. Second operand 2 states. [2019-10-07 14:53:03,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:03,340 INFO L93 Difference]: Finished difference Result 589 states and 696 transitions. [2019-10-07 14:53:03,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:53:03,342 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-10-07 14:53:03,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:03,362 INFO L225 Difference]: With dead ends: 589 [2019-10-07 14:53:03,363 INFO L226 Difference]: Without dead ends: 373 [2019-10-07 14:53:03,369 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:53:03,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2019-10-07 14:53:03,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2019-10-07 14:53:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-07 14:53:03,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 438 transitions. [2019-10-07 14:53:03,460 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 438 transitions. Word has length 134 [2019-10-07 14:53:03,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:03,462 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 438 transitions. [2019-10-07 14:53:03,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:53:03,463 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 438 transitions. [2019-10-07 14:53:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 14:53:03,472 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:03,472 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:03,472 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:03,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:03,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1399670417, now seen corresponding path program 1 times [2019-10-07 14:53:03,473 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:03,473 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:03,473 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:03,474 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:03,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:03,762 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:03,762 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:03,763 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:03,763 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:03,767 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:03,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:03,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:03,768 INFO L87 Difference]: Start difference. First operand 373 states and 438 transitions. Second operand 3 states. [2019-10-07 14:53:03,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:03,844 INFO L93 Difference]: Finished difference Result 574 states and 664 transitions. [2019-10-07 14:53:03,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:03,845 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-07 14:53:03,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:03,853 INFO L225 Difference]: With dead ends: 574 [2019-10-07 14:53:03,853 INFO L226 Difference]: Without dead ends: 375 [2019-10-07 14:53:03,859 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:03,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2019-10-07 14:53:03,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2019-10-07 14:53:03,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-10-07 14:53:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 440 transitions. [2019-10-07 14:53:03,916 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 440 transitions. Word has length 135 [2019-10-07 14:53:03,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:03,916 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 440 transitions. [2019-10-07 14:53:03,916 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:03,917 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 440 transitions. [2019-10-07 14:53:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 14:53:03,920 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:03,921 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:03,921 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:03,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:03,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1193405091, now seen corresponding path program 1 times [2019-10-07 14:53:03,922 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:03,922 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:03,922 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:03,922 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:03,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:04,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:04,195 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:04,196 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:04,196 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:04,196 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:04,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:04,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:04,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:04,199 INFO L87 Difference]: Start difference. First operand 375 states and 440 transitions. Second operand 3 states. [2019-10-07 14:53:04,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:04,264 INFO L93 Difference]: Finished difference Result 734 states and 890 transitions. [2019-10-07 14:53:04,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:04,265 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-07 14:53:04,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:04,270 INFO L225 Difference]: With dead ends: 734 [2019-10-07 14:53:04,270 INFO L226 Difference]: Without dead ends: 417 [2019-10-07 14:53:04,273 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:04,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-07 14:53:04,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 416. [2019-10-07 14:53:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2019-10-07 14:53:04,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 511 transitions. [2019-10-07 14:53:04,323 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 511 transitions. Word has length 147 [2019-10-07 14:53:04,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:04,324 INFO L462 AbstractCegarLoop]: Abstraction has 416 states and 511 transitions. [2019-10-07 14:53:04,324 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:04,324 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 511 transitions. [2019-10-07 14:53:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 14:53:04,337 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:04,337 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:04,337 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:04,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:04,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1452090985, now seen corresponding path program 1 times [2019-10-07 14:53:04,338 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:04,339 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:04,340 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:04,340 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:04,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:04,863 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:53:04,864 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:04,864 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:04,864 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-07 14:53:04,865 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-07 14:53:04,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-07 14:53:04,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2019-10-07 14:53:04,866 INFO L87 Difference]: Start difference. First operand 416 states and 511 transitions. Second operand 23 states. [2019-10-07 14:53:16,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:16,624 INFO L93 Difference]: Finished difference Result 1099 states and 1288 transitions. [2019-10-07 14:53:16,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-07 14:53:16,625 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 148 [2019-10-07 14:53:16,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:16,632 INFO L225 Difference]: With dead ends: 1099 [2019-10-07 14:53:16,632 INFO L226 Difference]: Without dead ends: 797 [2019-10-07 14:53:16,635 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=351, Invalid=2405, Unknown=0, NotChecked=0, Total=2756 [2019-10-07 14:53:16,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-10-07 14:53:16,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 787. [2019-10-07 14:53:16,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2019-10-07 14:53:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 922 transitions. [2019-10-07 14:53:16,692 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 922 transitions. Word has length 148 [2019-10-07 14:53:16,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:16,693 INFO L462 AbstractCegarLoop]: Abstraction has 787 states and 922 transitions. [2019-10-07 14:53:16,693 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-07 14:53:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 922 transitions. [2019-10-07 14:53:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 14:53:16,697 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:16,697 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:16,697 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:16,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:16,698 INFO L82 PathProgramCache]: Analyzing trace with hash 791819697, now seen corresponding path program 1 times [2019-10-07 14:53:16,698 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:16,698 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:16,698 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:16,699 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:16,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:16,897 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:16,897 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:16,898 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:53:16,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:53:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:17,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 2616 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:53:17,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:53:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:17,641 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:53:17,813 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2019-10-07 14:53:17,995 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:53:17,996 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:53:18,029 INFO L162 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-10-07 14:53:18,030 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:53:18,037 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:53:18,058 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:53:18,059 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:54:14,958 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:54:19,404 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 316 DAG size of output: 257 [2019-10-07 14:54:19,749 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 741 [2019-10-07 14:54:20,016 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 741 [2019-10-07 14:54:20,274 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 741 [2019-10-07 14:54:20,415 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:54:21,063 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 14:54:21,750 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 14:54:22,399 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 14:54:22,547 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:54:23,192 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 14:54:24,459 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 1044 DAG size of output: 1042 [2019-10-07 14:54:25,056 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 14:54:25,215 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:54:25,851 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 14:54:26,475 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 14:54:27,070 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 14:54:27,195 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:54:27,824 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1042 [2019-10-07 14:54:27,850 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 14:54:28,220 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 666 [2019-10-07 14:54:28,325 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 666 [2019-10-07 14:54:28,454 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:54:28,906 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 967 [2019-10-07 14:54:28,908 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1085 for LOIs [2019-10-07 14:54:29,517 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:30,110 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:30,358 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:31,187 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:31,812 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:32,406 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:32,608 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:33,480 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:34,143 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:34,754 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:35,050 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:35,890 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:36,891 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1085 [2019-10-07 14:54:37,493 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:37,734 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:38,564 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:39,170 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:39,787 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:39,986 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:40,824 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:41,419 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:42,018 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:42,237 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:43,085 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:43,674 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:44,267 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:44,481 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:45,311 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:45,899 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:46,504 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:46,702 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:47,531 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:48,120 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:48,706 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:48,906 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:49,743 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:50,341 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:50,929 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:51,129 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:51,977 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:52,570 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:53,169 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:53,367 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:54,197 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:54,796 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:55,393 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:55,593 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:56,436 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:57,027 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:57,623 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1085 [2019-10-07 14:54:57,824 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:54:58,670 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:54:59,589 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:00,435 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:00,653 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:55:01,494 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:03,051 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1220 DAG size of output: 1218 [2019-10-07 14:55:03,889 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:04,107 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:55:04,948 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:05,793 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:06,635 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:06,835 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:55:07,678 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:08,585 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1220 [2019-10-07 14:55:09,430 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1220 [2019-10-07 14:55:09,636 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:55:10,494 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:12,186 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1224 DAG size of output: 1222 [2019-10-07 14:55:13,043 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:13,257 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:55:14,116 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:15,666 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1224 DAG size of output: 1220 [2019-10-07 14:55:16,513 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1220 [2019-10-07 14:55:16,715 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:55:17,559 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:19,138 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 1220 [2019-10-07 14:55:19,980 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1220 [2019-10-07 14:55:20,190 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:55:21,041 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:21,889 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:22,732 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:22,952 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:55:23,820 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 1224 [2019-10-07 14:55:25,680 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1220 DAG size of output: 1218 [2019-10-07 14:55:26,523 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:26,738 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:55:27,580 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:29,119 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1220 DAG size of output: 1218 [2019-10-07 14:55:29,964 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:30,186 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:55:31,037 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:31,885 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:32,733 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:32,934 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:55:33,778 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:35,340 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1220 DAG size of output: 1218 [2019-10-07 14:55:36,190 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:36,426 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:55:37,274 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:38,819 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1220 DAG size of output: 1218 [2019-10-07 14:55:39,667 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:39,878 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:55:40,723 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:41,562 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:42,400 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:42,600 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:55:43,444 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1218 [2019-10-07 14:55:45,018 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1224 DAG size of output: 1222 [2019-10-07 14:55:45,876 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:46,089 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:55:46,952 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:48,516 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1224 DAG size of output: 1220 [2019-10-07 14:55:49,360 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1220 [2019-10-07 14:55:49,569 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:55:50,421 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:51,971 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1224 DAG size of output: 1220 [2019-10-07 14:55:52,821 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1220 [2019-10-07 14:55:53,024 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:55:53,877 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:55,370 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1224 DAG size of output: 1220 [2019-10-07 14:55:56,226 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1220 [2019-10-07 14:55:56,439 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:55:57,294 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:58,778 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1226 DAG size of output: 1222 [2019-10-07 14:55:59,646 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1222 [2019-10-07 14:55:59,859 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 590 [2019-10-07 14:56:00,712 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1224 [2019-10-07 14:56:00,997 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:56:00,998 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:56:01,008 INFO L168 Benchmark]: Toolchain (without parser) took 184561.45 ms. Allocated memory was 145.8 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 100.6 MB in the beginning and 504.6 MB in the end (delta: -404.0 MB). Peak memory consumption was 627.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:01,013 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:56:01,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1039.35 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 137.8 MB in the end (delta: -37.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:01,019 INFO L168 Benchmark]: Boogie Preprocessor took 183.44 ms. Allocated memory is still 203.4 MB. Free memory was 137.8 MB in the beginning and 128.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:01,021 INFO L168 Benchmark]: RCFGBuilder took 4796.31 ms. Allocated memory was 203.4 MB in the beginning and 294.6 MB in the end (delta: 91.2 MB). Free memory was 128.3 MB in the beginning and 242.6 MB in the end (delta: -114.3 MB). Peak memory consumption was 142.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:01,024 INFO L168 Benchmark]: TraceAbstraction took 178535.39 ms. Allocated memory was 294.6 MB in the beginning and 1.2 GB in the end (delta: 882.4 MB). Free memory was 242.6 MB in the beginning and 504.6 MB in the end (delta: -262.0 MB). Peak memory consumption was 620.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:56:01,026 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 145.8 MB. Free memory was 122.1 MB in the beginning and 121.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1039.35 ms. Allocated memory was 145.8 MB in the beginning and 203.4 MB in the end (delta: 57.7 MB). Free memory was 100.4 MB in the beginning and 137.8 MB in the end (delta: -37.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.44 ms. Allocated memory is still 203.4 MB. Free memory was 137.8 MB in the beginning and 128.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4796.31 ms. Allocated memory was 203.4 MB in the beginning and 294.6 MB in the end (delta: 91.2 MB). Free memory was 128.3 MB in the beginning and 242.6 MB in the end (delta: -114.3 MB). Peak memory consumption was 142.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 178535.39 ms. Allocated memory was 294.6 MB in the beginning and 1.2 GB in the end (delta: 882.4 MB). Free memory was 242.6 MB in the beginning and 504.6 MB in the end (delta: -262.0 MB). Peak memory consumption was 620.4 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...