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_spec4_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:58:41,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:58:41,682 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:58:41,701 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:58:41,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:58:41,703 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:58:41,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:58:41,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:58:41,720 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:58:41,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:58:41,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:58:41,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:58:41,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:58:41,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:58:41,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:58:41,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:58:41,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:58:41,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:58:41,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:58:41,747 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:58:41,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:58:41,753 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:58:41,756 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:58:41,757 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:58:41,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:58:41,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:58:41,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:58:41,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:58:41,763 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:58:41,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:58:41,765 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:58:41,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:58:41,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:58:41,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:58:41,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:58:41,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:58:41,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:58:41,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:58:41,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:58:41,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:58:41,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:58:41,776 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 14:58:41,795 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:58:41,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:58:41,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:58:41,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:58:41,798 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:58:41,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:58:41,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:58:41,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:58:41,799 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:58:41,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:58:41,800 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:58:41,800 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:58:41,800 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:58:41,801 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:58:41,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:58:41,801 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:58:41,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:58:41,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:58:41,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:58:41,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:58:41,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:58:41,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:58:41,803 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:58:41,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:58:41,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:58:41,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:58:41,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:58:41,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:58:41,804 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 14:58:42,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:58:42,143 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:58:42,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:58:42,148 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:58:42,149 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:58:42,149 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product32.cil.c [2019-10-07 14:58:42,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bb0ab35/6ab98405f5344f3db422c1a46002a6e6/FLAG7df4a1fd2 [2019-10-07 14:58:42,860 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:58:42,861 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_product32.cil.c [2019-10-07 14:58:42,890 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bb0ab35/6ab98405f5344f3db422c1a46002a6e6/FLAG7df4a1fd2 [2019-10-07 14:58:43,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3bb0ab35/6ab98405f5344f3db422c1a46002a6e6 [2019-10-07 14:58:43,078 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:58:43,080 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:58:43,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:58:43,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:58:43,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:58:43,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:58:43" (1/1) ... [2019-10-07 14:58:43,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52145332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:43, skipping insertion in model container [2019-10-07 14:58:43,087 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:58:43" (1/1) ... [2019-10-07 14:58:43,093 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:58:43,179 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:58:43,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:58:43,975 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:58:44,110 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:58:44,215 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:58:44,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44 WrapperNode [2019-10-07 14:58:44,217 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:58:44,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:58:44,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:58:44,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:58:44,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44" (1/1) ... [2019-10-07 14:58:44,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44" (1/1) ... [2019-10-07 14:58:44,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44" (1/1) ... [2019-10-07 14:58:44,272 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44" (1/1) ... [2019-10-07 14:58:44,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44" (1/1) ... [2019-10-07 14:58:44,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44" (1/1) ... [2019-10-07 14:58:44,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44" (1/1) ... [2019-10-07 14:58:44,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:58:44,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:58:44,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:58:44,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:58:44,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44" (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 14:58:44,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:58:44,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:58:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:58:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:58:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:58:44,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:58:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:58:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:58:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:58:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:58:44,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:58:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:58:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:58:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:58:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:58:44,503 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:58:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:58:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:58:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:58:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:58:44,504 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:58:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:58:44,505 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:58:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:58:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:58:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:58:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:58:44,506 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:58:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:58:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:58:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:58:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:58:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:58:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:58:44,507 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:58:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:58:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:58:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:58:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:58:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:58:44,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:58:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:58:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:58:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:58:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:58:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:58:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:58:44,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:58:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:58:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:58:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:58:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:58:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:58:44,510 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:58:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:58:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:58:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:58:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:58:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:58:44,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:58:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:58:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:58:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:58:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:58:44,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:58:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:58:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:58:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:58:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:58:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:58:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:58:44,513 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:58:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:58:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:58:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:58:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:58:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:58:44,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:58:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:58:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:58:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:58:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:58:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:58:44,515 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:58:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:58:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:58:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:58:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:58:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-10-07 14:58:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:58:44,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:58:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:58:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:58:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:58:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:58:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:58:44,517 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:58:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:58:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:58:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:58:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:58:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:58:44,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:58:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:58:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:58:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:58:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:58:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:58:44,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:58:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:58:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:58:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:58:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:58:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:58:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:58:44,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:58:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:58:44,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:58:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:58:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:58:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:58:44,521 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:58:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:58:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:58:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:58:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:58:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:58:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:58:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:58:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:58:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:58:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:58:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:58:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:58:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:58:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:58:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:58:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:58:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:58:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:58:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:58:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:58:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:58:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:58:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:58:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:58:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:58:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:58:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:58:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:58:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:58:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:58:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:58:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:58:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:58:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:58:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:58:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:58:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:58:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:58:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:58:44,528 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:58:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:58:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:58:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:58:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:58:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:58:44,529 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:58:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:58:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:58:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:58:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:58:44,530 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:58:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:58:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:58:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:58:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:58:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:58:44,531 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:58:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:58:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:58:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:58:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:58:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:58:44,532 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:58:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:58:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:58:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:58:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:58:44,533 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:58:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:58:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:58:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:58:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:58:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:58:44,534 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:58:44,535 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:58:44,535 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:58:44,535 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:58:44,535 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:58:44,535 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:58:44,535 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:58:44,536 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:58:44,536 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:58:44,536 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:58:44,536 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:58:44,536 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:58:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:58:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:58:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:58:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:58:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:58:44,537 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:58:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:58:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:58:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:58:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:58:44,538 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:58:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-10-07 14:58:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:58:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:58:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:58:44,539 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:58:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:58:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:58:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:58:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:58:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:58:44,540 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:58:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:58:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:58:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:58:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:58:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:58:44,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:58:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:58:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:58:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:58:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:58:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:58:44,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:58:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:58:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:58:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:58:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:58:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:58:44,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:58:44,544 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:58:44,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:58:44,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:58:44,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:58:49,555 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:58:49,556 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:58:49,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:58:49 BoogieIcfgContainer [2019-10-07 14:58:49,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:58:49,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:58:49,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:58:49,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:58:49,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:58:43" (1/3) ... [2019-10-07 14:58:49,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d823310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:58:49, skipping insertion in model container [2019-10-07 14:58:49,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:58:44" (2/3) ... [2019-10-07 14:58:49,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d823310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:58:49, skipping insertion in model container [2019-10-07 14:58:49,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:58:49" (3/3) ... [2019-10-07 14:58:49,579 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_product32.cil.c [2019-10-07 14:58:49,591 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:58:49,604 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:58:49,616 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:58:49,659 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:58:49,659 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:58:49,659 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:58:49,659 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:58:49,660 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:58:49,660 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:58:49,660 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:58:49,660 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:58:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states. [2019-10-07 14:58:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 14:58:49,731 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:58:49,732 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] [2019-10-07 14:58:49,737 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:58:49,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:58:49,745 INFO L82 PathProgramCache]: Analyzing trace with hash 1438729519, now seen corresponding path program 1 times [2019-10-07 14:58:49,756 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:58:49,756 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:49,757 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:49,757 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:49,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:58:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:58:50,426 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 14:58:50,427 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:50,428 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:58:50,429 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:58:50,435 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:58:50,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:58:50,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:58:50,456 INFO L87 Difference]: Start difference. First operand 444 states. Second operand 2 states. [2019-10-07 14:58:50,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:58:50,569 INFO L93 Difference]: Finished difference Result 628 states and 750 transitions. [2019-10-07 14:58:50,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:58:50,571 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 136 [2019-10-07 14:58:50,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:58:50,610 INFO L225 Difference]: With dead ends: 628 [2019-10-07 14:58:50,611 INFO L226 Difference]: Without dead ends: 396 [2019-10-07 14:58:50,621 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 14:58:50,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-10-07 14:58:50,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2019-10-07 14:58:50,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-07 14:58:50,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 469 transitions. [2019-10-07 14:58:50,724 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 469 transitions. Word has length 136 [2019-10-07 14:58:50,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:58:50,729 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 469 transitions. [2019-10-07 14:58:50,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:58:50,729 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 469 transitions. [2019-10-07 14:58:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-10-07 14:58:50,734 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:58:50,735 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] [2019-10-07 14:58:50,739 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:58:50,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:58:50,739 INFO L82 PathProgramCache]: Analyzing trace with hash -411128334, now seen corresponding path program 1 times [2019-10-07 14:58:50,739 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:58:50,740 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:50,740 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:50,740 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:50,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:58:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:58:51,103 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 14:58:51,104 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:51,104 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:58:51,104 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:58:51,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:58:51,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:58:51,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:58:51,112 INFO L87 Difference]: Start difference. First operand 396 states and 469 transitions. Second operand 3 states. [2019-10-07 14:58:51,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:58:51,163 INFO L93 Difference]: Finished difference Result 613 states and 718 transitions. [2019-10-07 14:58:51,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:58:51,164 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 137 [2019-10-07 14:58:51,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:58:51,168 INFO L225 Difference]: With dead ends: 613 [2019-10-07 14:58:51,168 INFO L226 Difference]: Without dead ends: 398 [2019-10-07 14:58:51,170 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 14:58:51,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-10-07 14:58:51,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2019-10-07 14:58:51,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-07 14:58:51,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 471 transitions. [2019-10-07 14:58:51,206 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 471 transitions. Word has length 137 [2019-10-07 14:58:51,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:58:51,207 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 471 transitions. [2019-10-07 14:58:51,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:58:51,207 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 471 transitions. [2019-10-07 14:58:51,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 14:58:51,212 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:58:51,212 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:58:51,213 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:58:51,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:58:51,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1440135942, now seen corresponding path program 1 times [2019-10-07 14:58:51,215 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:58:51,215 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:51,216 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:51,216 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:51,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:58:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:58:51,456 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:58:51,457 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:51,457 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:58:51,458 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:58:51,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:58:51,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:58:51,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:58:51,462 INFO L87 Difference]: Start difference. First operand 398 states and 471 transitions. Second operand 3 states. [2019-10-07 14:58:51,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:58:51,542 INFO L93 Difference]: Finished difference Result 780 states and 952 transitions. [2019-10-07 14:58:51,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:58:51,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-07 14:58:51,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:58:51,552 INFO L225 Difference]: With dead ends: 780 [2019-10-07 14:58:51,556 INFO L226 Difference]: Without dead ends: 440 [2019-10-07 14:58:51,558 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 14:58:51,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-07 14:58:51,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2019-10-07 14:58:51,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-10-07 14:58:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 542 transitions. [2019-10-07 14:58:51,621 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 542 transitions. Word has length 146 [2019-10-07 14:58:51,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:58:51,622 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 542 transitions. [2019-10-07 14:58:51,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:58:51,623 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 542 transitions. [2019-10-07 14:58:51,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 14:58:51,637 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:58:51,642 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:58:51,643 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:58:51,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:58:51,643 INFO L82 PathProgramCache]: Analyzing trace with hash -2062969560, now seen corresponding path program 1 times [2019-10-07 14:58:51,644 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:58:51,644 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:51,644 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:51,645 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:51,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:58:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:58:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:58:51,882 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:51,883 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:58:51,884 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:58:51,885 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:58:51,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:58:51,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:58:51,886 INFO L87 Difference]: Start difference. First operand 439 states and 542 transitions. Second operand 3 states. [2019-10-07 14:58:52,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:58:52,000 INFO L93 Difference]: Finished difference Result 900 states and 1160 transitions. [2019-10-07 14:58:52,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:58:52,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-07 14:58:52,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:58:52,008 INFO L225 Difference]: With dead ends: 900 [2019-10-07 14:58:52,008 INFO L226 Difference]: Without dead ends: 519 [2019-10-07 14:58:52,010 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 14:58:52,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2019-10-07 14:58:52,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 518. [2019-10-07 14:58:52,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2019-10-07 14:58:52,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 678 transitions. [2019-10-07 14:58:52,048 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 678 transitions. Word has length 147 [2019-10-07 14:58:52,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:58:52,051 INFO L462 AbstractCegarLoop]: Abstraction has 518 states and 678 transitions. [2019-10-07 14:58:52,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:58:52,051 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 678 transitions. [2019-10-07 14:58:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 14:58:52,054 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:58:52,055 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:58:52,055 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:58:52,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:58:52,055 INFO L82 PathProgramCache]: Analyzing trace with hash 1615965150, now seen corresponding path program 1 times [2019-10-07 14:58:52,056 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:58:52,056 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:52,056 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:52,056 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:58:52,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:58:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:58:52,668 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:58:52,668 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:58:52,668 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:58:52,669 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-07 14:58:52,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-07 14:58:52,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-07 14:58:52,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=449, Unknown=0, NotChecked=0, Total=506 [2019-10-07 14:58:52,671 INFO L87 Difference]: Start difference. First operand 518 states and 678 transitions. Second operand 23 states. [2019-10-07 14:59:03,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:59:03,948 INFO L93 Difference]: Finished difference Result 985 states and 1234 transitions. [2019-10-07 14:59:03,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-07 14:59:03,948 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 150 [2019-10-07 14:59:03,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:59:03,955 INFO L225 Difference]: With dead ends: 985 [2019-10-07 14:59:03,955 INFO L226 Difference]: Without dead ends: 776 [2019-10-07 14:59:03,957 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=215, Invalid=1855, Unknown=0, NotChecked=0, Total=2070 [2019-10-07 14:59:03,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2019-10-07 14:59:03,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 767. [2019-10-07 14:59:03,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 767 states. [2019-10-07 14:59:04,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 767 states and 978 transitions. [2019-10-07 14:59:04,003 INFO L78 Accepts]: Start accepts. Automaton has 767 states and 978 transitions. Word has length 150 [2019-10-07 14:59:04,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:59:04,004 INFO L462 AbstractCegarLoop]: Abstraction has 767 states and 978 transitions. [2019-10-07 14:59:04,004 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-07 14:59:04,004 INFO L276 IsEmpty]: Start isEmpty. Operand 767 states and 978 transitions. [2019-10-07 14:59:04,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-07 14:59:04,007 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:59:04,008 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:59:04,008 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:59:04,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:59:04,009 INFO L82 PathProgramCache]: Analyzing trace with hash 48174161, now seen corresponding path program 1 times [2019-10-07 14:59:04,009 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:59:04,009 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:04,009 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:04,009 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:04,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:59:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:59:04,668 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:59:04,668 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:04,668 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:59:04,669 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-07 14:59:04,669 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-07 14:59:04,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-07 14:59:04,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2019-10-07 14:59:04,670 INFO L87 Difference]: Start difference. First operand 767 states and 978 transitions. Second operand 25 states. [2019-10-07 14:59:08,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:59:08,265 INFO L93 Difference]: Finished difference Result 874 states and 1103 transitions. [2019-10-07 14:59:08,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-07 14:59:08,266 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 156 [2019-10-07 14:59:08,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:59:08,273 INFO L225 Difference]: With dead ends: 874 [2019-10-07 14:59:08,274 INFO L226 Difference]: Without dead ends: 867 [2019-10-07 14:59:08,276 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 441 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=233, Invalid=2317, Unknown=0, NotChecked=0, Total=2550 [2019-10-07 14:59:08,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2019-10-07 14:59:08,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 860. [2019-10-07 14:59:08,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2019-10-07 14:59:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1088 transitions. [2019-10-07 14:59:08,342 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1088 transitions. Word has length 156 [2019-10-07 14:59:08,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:59:08,344 INFO L462 AbstractCegarLoop]: Abstraction has 860 states and 1088 transitions. [2019-10-07 14:59:08,344 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-07 14:59:08,344 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1088 transitions. [2019-10-07 14:59:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-10-07 14:59:08,352 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:59:08,353 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:59:08,353 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:59:08,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:59:08,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1627009428, now seen corresponding path program 1 times [2019-10-07 14:59:08,354 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:59:08,354 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:08,354 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:08,354 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:08,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:59:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:59:08,886 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-10-07 14:59:08,887 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:08,887 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:59:08,887 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 14:59:08,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 14:59:08,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 14:59:08,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2019-10-07 14:59:08,891 INFO L87 Difference]: Start difference. First operand 860 states and 1088 transitions. Second operand 11 states. [2019-10-07 14:59:12,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:59:12,286 INFO L93 Difference]: Finished difference Result 1622 states and 1964 transitions. [2019-10-07 14:59:12,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-07 14:59:12,287 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 273 [2019-10-07 14:59:12,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:59:12,295 INFO L225 Difference]: With dead ends: 1622 [2019-10-07 14:59:12,296 INFO L226 Difference]: Without dead ends: 1223 [2019-10-07 14:59:12,298 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2019-10-07 14:59:12,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2019-10-07 14:59:12,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1197. [2019-10-07 14:59:12,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1197 states. [2019-10-07 14:59:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1473 transitions. [2019-10-07 14:59:12,369 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1473 transitions. Word has length 273 [2019-10-07 14:59:12,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:59:12,372 INFO L462 AbstractCegarLoop]: Abstraction has 1197 states and 1473 transitions. [2019-10-07 14:59:12,372 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 14:59:12,372 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1473 transitions. [2019-10-07 14:59:12,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-10-07 14:59:12,379 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:59:12,380 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:59:12,380 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:59:12,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:59:12,381 INFO L82 PathProgramCache]: Analyzing trace with hash -2010622669, now seen corresponding path program 1 times [2019-10-07 14:59:12,381 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:59:12,381 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:12,381 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:12,381 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:12,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:59:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:59:13,123 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-07 14:59:13,124 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:13,124 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:59:13,124 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-07 14:59:13,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-07 14:59:13,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-07 14:59:13,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2019-10-07 14:59:13,126 INFO L87 Difference]: Start difference. First operand 1197 states and 1473 transitions. Second operand 30 states. [2019-10-07 14:59:27,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:59:27,320 INFO L93 Difference]: Finished difference Result 3264 states and 4260 transitions. [2019-10-07 14:59:27,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2019-10-07 14:59:27,320 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 287 [2019-10-07 14:59:27,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:59:27,337 INFO L225 Difference]: With dead ends: 3264 [2019-10-07 14:59:27,337 INFO L226 Difference]: Without dead ends: 2395 [2019-10-07 14:59:27,344 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1706 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=482, Invalid=7000, Unknown=0, NotChecked=0, Total=7482 [2019-10-07 14:59:27,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2395 states. [2019-10-07 14:59:27,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2395 to 2309. [2019-10-07 14:59:27,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2019-10-07 14:59:27,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 2908 transitions. [2019-10-07 14:59:27,512 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 2908 transitions. Word has length 287 [2019-10-07 14:59:27,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:59:27,515 INFO L462 AbstractCegarLoop]: Abstraction has 2309 states and 2908 transitions. [2019-10-07 14:59:27,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-07 14:59:27,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2908 transitions. [2019-10-07 14:59:27,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-10-07 14:59:27,532 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:59:27,533 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:59:27,534 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:59:27,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:59:27,534 INFO L82 PathProgramCache]: Analyzing trace with hash 1889792893, now seen corresponding path program 1 times [2019-10-07 14:59:27,535 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:59:27,535 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:27,535 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:27,536 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:27,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:59:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:59:28,064 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-10-07 14:59:28,064 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:28,065 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:59:28,065 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 14:59:28,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 14:59:28,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 14:59:28,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 14:59:28,067 INFO L87 Difference]: Start difference. First operand 2309 states and 2908 transitions. Second operand 10 states. [2019-10-07 14:59:28,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:59:28,208 INFO L93 Difference]: Finished difference Result 4251 states and 5518 transitions. [2019-10-07 14:59:28,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 14:59:28,210 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 291 [2019-10-07 14:59:28,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:59:28,226 INFO L225 Difference]: With dead ends: 4251 [2019-10-07 14:59:28,226 INFO L226 Difference]: Without dead ends: 2309 [2019-10-07 14:59:28,235 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 14:59:28,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2309 states. [2019-10-07 14:59:28,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2309 to 2309. [2019-10-07 14:59:28,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2309 states. [2019-10-07 14:59:28,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2309 states and 2900 transitions. [2019-10-07 14:59:28,387 INFO L78 Accepts]: Start accepts. Automaton has 2309 states and 2900 transitions. Word has length 291 [2019-10-07 14:59:28,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:59:28,388 INFO L462 AbstractCegarLoop]: Abstraction has 2309 states and 2900 transitions. [2019-10-07 14:59:28,388 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 14:59:28,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2900 transitions. [2019-10-07 14:59:28,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-10-07 14:59:28,402 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:59:28,402 INFO L385 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:59:28,403 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:59:28,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:59:28,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1250850848, now seen corresponding path program 1 times [2019-10-07 14:59:28,403 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:59:28,404 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:28,404 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:28,404 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:59:28,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:59:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:59:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-07 14:59:29,747 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:59:29,747 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:59:29,748 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 14:59:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:59:30,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 3873 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:59:30,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:59:30,728 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-10-07 14:59:30,729 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:59:31,698 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-10-07 14:59:31,698 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:59:31,733 INFO L162 IcfgInterpreter]: Started Sifa with 249 locations of interest [2019-10-07 14:59:31,733 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:59:31,741 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:59:31,748 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:59:31,749 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:00:46,360 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 698 [2019-10-07 15:00:50,884 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 321 DAG size of output: 261 [2019-10-07 15:00:51,268 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2019-10-07 15:00:51,663 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2019-10-07 15:00:51,977 WARN L191 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2019-10-07 15:00:52,144 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:00:52,848 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:00:53,539 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:00:54,239 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:00:54,383 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:00:55,065 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:00:56,293 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1040 DAG size of output: 1038 [2019-10-07 15:00:56,910 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:00:57,102 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:00:57,710 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:00:58,431 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:00:59,069 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:00:59,196 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:00:59,845 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 15:00:59,873 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 565 for LOIs [2019-10-07 15:01:00,272 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:01:00,478 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 15:01:00,627 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 15:01:01,104 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 961 [2019-10-07 15:01:01,106 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1096 for LOIs [2019-10-07 15:01:01,739 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:02,342 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:02,645 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:03,695 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:04,384 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:04,999 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:05,261 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:06,299 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:06,929 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:07,582 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:07,934 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:08,933 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:09,962 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 1300 DAG size of output: 1096 [2019-10-07 15:01:10,577 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:10,903 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:11,954 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:12,585 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:13,193 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:13,509 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:14,527 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:15,126 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:15,753 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:16,023 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:17,043 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:17,667 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:18,279 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:18,558 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:19,595 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:20,224 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:20,839 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:21,100 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:22,125 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:22,772 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:23,415 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:23,667 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:24,730 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:25,360 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:25,968 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:26,226 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:27,262 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:27,904 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:28,513 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:28,769 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:29,824 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:30,459 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:31,069 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:31,325 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:32,390 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:33,002 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:33,633 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 15:01:33,896 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:34,951 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:36,081 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:37,176 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:37,449 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:38,474 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:40,423 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 15:01:41,459 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:41,736 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:42,796 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:43,832 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:44,865 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:45,123 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:01:46,152 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:01:47,248 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:01:48,287 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:01:48,549 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:01:49,580 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:01:51,580 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1300 [2019-10-07 15:01:52,606 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:01:52,882 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:01:53,926 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:01:55,700 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1300 [2019-10-07 15:01:56,772 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:01:57,027 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:01:58,102 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:01:59,176 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 15:02:00,256 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 15:02:00,515 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:02:01,589 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1307 [2019-10-07 15:02:02,659 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 15:02:03,721 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 15:02:03,994 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:02:05,071 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1309 [2019-10-07 15:02:07,265 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 15:02:08,328 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:08,603 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:02:09,629 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:11,585 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 15:02:12,618 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:12,912 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:02:13,962 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:15,006 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:16,054 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:16,323 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:02:17,350 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:19,317 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 15:02:20,384 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:20,662 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:02:21,728 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:23,622 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 15:02:24,669 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:24,935 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:02:26,017 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:27,076 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:28,122 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:28,389 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 15:02:29,436 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:30,567 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:02:31,621 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:02:31,900 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:02:32,961 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:02:34,772 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1300 [2019-10-07 15:02:35,837 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:02:36,107 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:02:37,195 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:02:39,029 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1300 [2019-10-07 15:02:40,106 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:02:40,365 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:02:41,458 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:02:43,254 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1309 DAG size of output: 1300 [2019-10-07 15:02:44,339 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:02:44,615 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:02:45,662 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:02:47,646 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1311 DAG size of output: 1302 [2019-10-07 15:02:48,708 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 15:02:49,011 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 15:02:50,072 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1304 [2019-10-07 15:02:50,333 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:02:50,334 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:02:50,342 INFO L168 Benchmark]: Toolchain (without parser) took 247262.26 ms. Allocated memory was 147.8 MB in the beginning and 972.6 MB in the end (delta: 824.7 MB). Free memory was 103.1 MB in the beginning and 663.5 MB in the end (delta: -560.4 MB). Peak memory consumption was 264.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:02:50,343 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.8 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:02:50,343 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1137.06 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.9 MB in the beginning and 132.9 MB in the end (delta: -30.0 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:02:50,344 INFO L168 Benchmark]: Boogie Preprocessor took 210.76 ms. Allocated memory is still 205.0 MB. Free memory was 132.9 MB in the beginning and 123.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:02:50,345 INFO L168 Benchmark]: RCFGBuilder took 5131.06 ms. Allocated memory was 205.0 MB in the beginning and 286.8 MB in the end (delta: 81.8 MB). Free memory was 123.5 MB in the beginning and 187.4 MB in the end (delta: -63.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:02:50,345 INFO L168 Benchmark]: TraceAbstraction took 240778.65 ms. Allocated memory was 286.8 MB in the beginning and 972.6 MB in the end (delta: 685.8 MB). Free memory was 187.4 MB in the beginning and 663.5 MB in the end (delta: -476.1 MB). Peak memory consumption was 209.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:02:50,349 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 147.8 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1137.06 ms. Allocated memory was 147.8 MB in the beginning and 205.0 MB in the end (delta: 57.1 MB). Free memory was 102.9 MB in the beginning and 132.9 MB in the end (delta: -30.0 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 210.76 ms. Allocated memory is still 205.0 MB. Free memory was 132.9 MB in the beginning and 123.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5131.06 ms. Allocated memory was 205.0 MB in the beginning and 286.8 MB in the end (delta: 81.8 MB). Free memory was 123.5 MB in the beginning and 187.4 MB in the end (delta: -63.9 MB). Peak memory consumption was 120.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 240778.65 ms. Allocated memory was 286.8 MB in the beginning and 972.6 MB in the end (delta: 685.8 MB). Free memory was 187.4 MB in the beginning and 663.5 MB in the end (delta: -476.1 MB). Peak memory consumption was 209.6 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...