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_spec11_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:43:24,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:43:24,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:43:24,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:43:24,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:43:24,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:43:24,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:43:24,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:43:24,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:43:24,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:43:24,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:43:24,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:43:24,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:43:24,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:43:24,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:43:24,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:43:24,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:43:24,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:43:24,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:43:24,968 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:43:24,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:43:24,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:43:24,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:43:24,978 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:43:24,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:43:24,980 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:43:24,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:43:24,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:43:24,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:43:24,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:43:24,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:43:24,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:43:24,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:43:24,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:43:24,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:43:24,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:43:24,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:43:24,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:43:24,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:43:24,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:43:24,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:43:24,994 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 14:43:25,032 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:43:25,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:43:25,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:43:25,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:43:25,036 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:43:25,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:43:25,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:43:25,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:43:25,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:43:25,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:43:25,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:43:25,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:43:25,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:43:25,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:43:25,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:43:25,038 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:43:25,039 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:43:25,039 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:43:25,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:43:25,039 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:43:25,039 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:43:25,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:43:25,040 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:43:25,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:43:25,042 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:43:25,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:43:25,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:43:25,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:43:25,042 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 14:43:25,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:43:25,357 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:43:25,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:43:25,363 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:43:25,363 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:43:25,364 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product32.cil.c [2019-10-07 14:43:25,444 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7ad3f2f/bfc929820bda4088bf7bbf706e7fcc6f/FLAGa06e6b72d [2019-10-07 14:43:26,118 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:43:26,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product32.cil.c [2019-10-07 14:43:26,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7ad3f2f/bfc929820bda4088bf7bbf706e7fcc6f/FLAGa06e6b72d [2019-10-07 14:43:26,277 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b7ad3f2f/bfc929820bda4088bf7bbf706e7fcc6f [2019-10-07 14:43:26,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:43:26,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:43:26,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:26,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:43:26,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:43:26,298 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:26" (1/1) ... [2019-10-07 14:43:26,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cd6405c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:26, skipping insertion in model container [2019-10-07 14:43:26,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:26" (1/1) ... [2019-10-07 14:43:26,310 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:43:26,379 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:43:27,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:27,173 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:43:27,359 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:27,482 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:43:27,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27 WrapperNode [2019-10-07 14:43:27,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:27,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:43:27,484 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:43:27,484 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:43:27,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27" (1/1) ... [2019-10-07 14:43:27,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27" (1/1) ... [2019-10-07 14:43:27,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27" (1/1) ... [2019-10-07 14:43:27,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27" (1/1) ... [2019-10-07 14:43:27,627 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27" (1/1) ... [2019-10-07 14:43:27,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27" (1/1) ... [2019-10-07 14:43:27,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27" (1/1) ... [2019-10-07 14:43:27,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:43:27,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:43:27,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:43:27,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:43:27,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27" (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 14:43:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:43:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:43:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:43:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:43:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:43:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:43:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:43:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:43:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:43:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:43:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:43:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:43:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:43:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:43:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:43:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:43:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:43:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:43:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:43:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:43:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:43:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:43:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:43:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:43:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:43:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:43:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:43:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:43:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:43:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:43:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:43:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:43:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:43:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:43:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:43:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:43:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:43:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:43:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:43:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:43:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:43:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:43:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:43:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:43:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:43:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:43:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:43:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:43:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:43:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:43:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:43:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:43:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:43:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:43:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:43:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:43:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:43:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:43:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:43:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:43:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:43:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:43:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:27,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:43:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:43:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:43:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:43:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:43:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:43:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:43:27,798 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:43:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:43:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:43:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:43:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:43:27,799 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:43:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:43:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:43:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:43:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:43:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:43:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:43:27,800 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:43:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:43:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:43:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:43:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:43:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:43:27,801 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:43:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:43:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:43:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:43:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:43:27,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:43:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:43:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:43:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:43:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:43:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:43:27,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:43:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:43:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:43:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:43:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:43:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:43:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:43:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:43:27,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:43:27,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:43:27,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:43:27,805 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:43:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:43:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:43:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:43:27,805 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:43:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:43:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:43:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:43:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:43:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:43:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:43:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:43:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:43:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:43:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:43:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:43:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:43:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:43:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:43:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:43:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:43:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:43:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:43:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:43:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:43:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:43:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:43:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:43:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:43:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:43:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:43:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:43:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:43:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:43:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:43:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:43:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:43:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:43:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:43:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:43:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:43:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:43:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:43:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:43:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:43:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:43:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:43:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:43:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:43:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:43:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:43:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:43:27,812 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:43:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:43:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:43:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:43:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:43:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:43:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:43:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:43:27,813 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:43:27,814 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:43:27,814 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:43:27,814 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:27,814 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:27,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:43:27,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:43:27,814 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:43:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:43:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:43:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:43:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:43:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:43:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:43:27,815 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:43:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:43:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:43:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:43:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:43:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:43:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:43:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:43:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:43:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:43:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:43:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:43:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:43:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:43:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:43:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:43:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:43:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:43:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:43:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:43:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:43:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:43:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:43:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:43:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:43:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:43:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:43:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:43:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:43:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:43:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:43:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:43:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:43:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:43:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:43:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:43:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:43:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:43:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:43:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:43:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:43:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:43:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:43:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:43:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:43:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:43:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:43:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:43:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:43:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:43:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:43:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:43:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:43:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:43:32,829 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:43:32,830 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:43:32,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:32 BoogieIcfgContainer [2019-10-07 14:43:32,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:43:32,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:43:32,833 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:43:32,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:43:32,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:43:26" (1/3) ... [2019-10-07 14:43:32,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8d06d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:32, skipping insertion in model container [2019-10-07 14:43:32,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:27" (2/3) ... [2019-10-07 14:43:32,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b8d06d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:32, skipping insertion in model container [2019-10-07 14:43:32,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:32" (3/3) ... [2019-10-07 14:43:32,843 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product32.cil.c [2019-10-07 14:43:32,855 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:43:32,868 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:43:32,881 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:43:32,933 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:43:32,934 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:43:32,934 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:43:32,934 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:43:32,935 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:43:32,944 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:43:32,944 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:43:32,944 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:43:32,991 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states. [2019-10-07 14:43:33,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-07 14:43:33,024 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:33,025 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:43:33,027 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:33,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:33,034 INFO L82 PathProgramCache]: Analyzing trace with hash -2143244463, now seen corresponding path program 1 times [2019-10-07 14:43:33,044 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:33,045 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:33,046 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:33,047 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:33,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:33,775 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:33,775 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:33,776 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:43:33,781 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:43:33,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:43:33,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:43:33,799 INFO L87 Difference]: Start difference. First operand 441 states. Second operand 2 states. [2019-10-07 14:43:33,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:33,888 INFO L93 Difference]: Finished difference Result 622 states and 744 transitions. [2019-10-07 14:43:33,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:43:33,891 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 181 [2019-10-07 14:43:33,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:33,930 INFO L225 Difference]: With dead ends: 622 [2019-10-07 14:43:33,931 INFO L226 Difference]: Without dead ends: 393 [2019-10-07 14:43:33,944 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 14:43:33,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-07 14:43:34,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2019-10-07 14:43:34,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2019-10-07 14:43:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 464 transitions. [2019-10-07 14:43:34,074 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 464 transitions. Word has length 181 [2019-10-07 14:43:34,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:34,076 INFO L462 AbstractCegarLoop]: Abstraction has 393 states and 464 transitions. [2019-10-07 14:43:34,076 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:43:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 464 transitions. [2019-10-07 14:43:34,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-07 14:43:34,081 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:34,082 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:43:34,082 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:34,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:34,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1010044800, now seen corresponding path program 1 times [2019-10-07 14:43:34,083 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:34,083 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:34,083 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:34,083 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:34,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:34,428 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:34,429 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:34,429 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:34,429 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:34,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:34,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:34,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:34,432 INFO L87 Difference]: Start difference. First operand 393 states and 464 transitions. Second operand 3 states. [2019-10-07 14:43:34,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:34,475 INFO L93 Difference]: Finished difference Result 607 states and 708 transitions. [2019-10-07 14:43:34,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:34,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-10-07 14:43:34,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:34,480 INFO L225 Difference]: With dead ends: 607 [2019-10-07 14:43:34,480 INFO L226 Difference]: Without dead ends: 395 [2019-10-07 14:43:34,482 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 14:43:34,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-07 14:43:34,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2019-10-07 14:43:34,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-07 14:43:34,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 466 transitions. [2019-10-07 14:43:34,511 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 466 transitions. Word has length 182 [2019-10-07 14:43:34,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:34,512 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 466 transitions. [2019-10-07 14:43:34,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:34,512 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 466 transitions. [2019-10-07 14:43:34,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-07 14:43:34,515 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:34,516 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:43:34,516 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:34,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:34,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1794753945, now seen corresponding path program 1 times [2019-10-07 14:43:34,517 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:34,517 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:34,517 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:34,517 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:34,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:34,714 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:34,715 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:34,715 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:34,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:34,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:34,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:34,717 INFO L87 Difference]: Start difference. First operand 395 states and 466 transitions. Second operand 3 states. [2019-10-07 14:43:34,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:34,787 INFO L93 Difference]: Finished difference Result 774 states and 942 transitions. [2019-10-07 14:43:34,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:34,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-07 14:43:34,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:34,801 INFO L225 Difference]: With dead ends: 774 [2019-10-07 14:43:34,801 INFO L226 Difference]: Without dead ends: 437 [2019-10-07 14:43:34,804 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 14:43:34,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-10-07 14:43:34,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 436. [2019-10-07 14:43:34,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2019-10-07 14:43:34,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 537 transitions. [2019-10-07 14:43:34,855 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 537 transitions. Word has length 191 [2019-10-07 14:43:34,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:34,857 INFO L462 AbstractCegarLoop]: Abstraction has 436 states and 537 transitions. [2019-10-07 14:43:34,857 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 537 transitions. [2019-10-07 14:43:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-07 14:43:34,864 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:34,864 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:43:34,866 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:34,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:34,870 INFO L82 PathProgramCache]: Analyzing trace with hash 650233680, now seen corresponding path program 1 times [2019-10-07 14:43:34,870 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:34,871 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:34,871 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:34,871 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:34,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:35,228 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:35,229 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:35,229 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:35,230 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:35,231 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:35,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:35,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:35,233 INFO L87 Difference]: Start difference. First operand 436 states and 537 transitions. Second operand 3 states. [2019-10-07 14:43:35,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:35,292 INFO L93 Difference]: Finished difference Result 894 states and 1150 transitions. [2019-10-07 14:43:35,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:35,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-10-07 14:43:35,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:35,302 INFO L225 Difference]: With dead ends: 894 [2019-10-07 14:43:35,302 INFO L226 Difference]: Without dead ends: 516 [2019-10-07 14:43:35,305 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 14:43:35,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2019-10-07 14:43:35,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 515. [2019-10-07 14:43:35,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-10-07 14:43:35,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 673 transitions. [2019-10-07 14:43:35,424 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 673 transitions. Word has length 192 [2019-10-07 14:43:35,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:35,426 INFO L462 AbstractCegarLoop]: Abstraction has 515 states and 673 transitions. [2019-10-07 14:43:35,426 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:35,426 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 673 transitions. [2019-10-07 14:43:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-07 14:43:35,432 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:35,432 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:43:35,433 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:35,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:35,433 INFO L82 PathProgramCache]: Analyzing trace with hash -380354023, now seen corresponding path program 1 times [2019-10-07 14:43:35,433 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:35,434 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:35,434 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:35,434 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:35,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:35,651 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:35,652 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:35,652 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:35,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:35,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:35,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:35,654 INFO L87 Difference]: Start difference. First operand 515 states and 673 transitions. Second operand 3 states. [2019-10-07 14:43:35,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:35,698 INFO L93 Difference]: Finished difference Result 1125 states and 1548 transitions. [2019-10-07 14:43:35,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:35,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-07 14:43:35,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:35,704 INFO L225 Difference]: With dead ends: 1125 [2019-10-07 14:43:35,704 INFO L226 Difference]: Without dead ends: 668 [2019-10-07 14:43:35,706 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 14:43:35,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2019-10-07 14:43:35,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 667. [2019-10-07 14:43:35,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2019-10-07 14:43:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 933 transitions. [2019-10-07 14:43:35,749 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 933 transitions. Word has length 193 [2019-10-07 14:43:35,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:35,750 INFO L462 AbstractCegarLoop]: Abstraction has 667 states and 933 transitions. [2019-10-07 14:43:35,750 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:35,750 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 933 transitions. [2019-10-07 14:43:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-07 14:43:35,755 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:35,756 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:43:35,756 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:35,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:35,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1641339387, now seen corresponding path program 1 times [2019-10-07 14:43:35,757 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:35,757 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:35,757 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:35,757 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:35,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:36,714 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:43:36,716 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:36,716 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:43:36,716 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 14:43:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:37,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:43:37,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:43:37,549 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:37,549 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:43:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:37,955 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:43:37,988 INFO L162 IcfgInterpreter]: Started Sifa with 172 locations of interest [2019-10-07 14:43:37,988 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:43:37,995 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:43:38,003 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:43:38,004 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:44:43,441 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 698 [2019-10-07 14:44:47,752 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 321 DAG size of output: 261 [2019-10-07 14:44:48,221 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2019-10-07 14:44:48,588 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2019-10-07 14:44:48,955 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 740 [2019-10-07 14:44:49,294 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:44:50,100 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 14:44:50,784 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 14:44:51,478 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 14:44:51,640 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:44:52,275 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 14:44:53,633 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1040 DAG size of output: 1038 [2019-10-07 14:44:54,288 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 14:44:54,457 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:44:55,078 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 14:44:55,723 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 14:44:56,392 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 14:44:56,523 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:44:57,138 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1038 [2019-10-07 14:44:57,167 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 565 for LOIs [2019-10-07 14:44:57,607 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 14:44:57,725 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 663 [2019-10-07 14:44:57,850 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:44:58,319 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 961 [2019-10-07 14:44:58,321 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1096 for LOIs [2019-10-07 14:44:58,961 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:44:59,575 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:44:59,845 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:00,861 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:01,497 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:02,114 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:02,379 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:03,408 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:04,070 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:04,675 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:04,971 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:05,989 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:07,106 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1096 [2019-10-07 14:45:07,708 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:08,322 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 645 [2019-10-07 14:45:09,349 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:09,971 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:10,576 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:10,835 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:11,870 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:12,474 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:13,083 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:13,340 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:14,364 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:14,984 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:15,599 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:15,855 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:16,891 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:17,516 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:18,140 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:18,398 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:19,427 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:20,040 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:20,660 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:20,917 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:21,959 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:22,578 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:23,200 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:23,454 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:24,500 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:25,117 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:25,726 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:25,989 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:27,032 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:27,650 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:28,270 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:28,530 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:29,559 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:30,176 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:30,790 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1096 [2019-10-07 14:45:31,048 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:32,088 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:33,187 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:34,215 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:34,483 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:35,520 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:37,473 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 14:45:38,515 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:38,784 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:39,831 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:40,887 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:41,941 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:42,198 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:45:43,235 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:45:44,326 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:45:45,375 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:45:45,640 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:45:46,668 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:45:48,495 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1300 [2019-10-07 14:45:49,525 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:45:49,794 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:45:50,834 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:45:51,873 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:45:52,902 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:45:53,159 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:45:54,185 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:45:55,233 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:45:56,259 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:45:56,517 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:45:57,555 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:45:58,574 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:45:59,612 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:45:59,873 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:46:00,900 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1304 [2019-10-07 14:46:03,832 WARN L191 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 14:46:04,859 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:05,127 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:46:06,153 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:08,781 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 14:46:09,807 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:10,089 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:46:11,129 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:12,167 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:13,219 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:13,470 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:46:14,512 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:16,446 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 14:46:17,507 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:17,772 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:46:18,813 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:20,717 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1300 DAG size of output: 1298 [2019-10-07 14:46:21,759 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:22,033 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:46:23,071 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:24,137 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:25,191 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:25,445 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:46:26,491 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 14:46:28,337 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1300 [2019-10-07 14:46:29,382 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:46:29,640 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:46:30,688 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:46:32,561 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1302 [2019-10-07 14:46:33,594 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:46:33,857 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:46:34,892 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:46:36,769 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1300 [2019-10-07 14:46:37,803 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:46:38,066 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:46:39,106 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:46:40,968 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1304 DAG size of output: 1300 [2019-10-07 14:46:41,997 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 14:46:42,257 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:46:43,286 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:46:45,150 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1306 DAG size of output: 1302 [2019-10-07 14:46:46,171 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1302 [2019-10-07 14:46:46,432 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 648 [2019-10-07 14:46:47,445 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1304 [2019-10-07 14:46:47,704 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:46:47,705 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:46:47,712 INFO L168 Benchmark]: Toolchain (without parser) took 201422.19 ms. Allocated memory was 138.4 MB in the beginning and 871.4 MB in the end (delta: 733.0 MB). Free memory was 100.6 MB in the beginning and 89.6 MB in the end (delta: 11.0 MB). Peak memory consumption was 743.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:47,713 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:46:47,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1192.31 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.2 MB in the beginning and 134.4 MB in the end (delta: -34.2 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:47,714 INFO L168 Benchmark]: Boogie Preprocessor took 212.62 ms. Allocated memory is still 203.9 MB. Free memory was 134.4 MB in the beginning and 125.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:47,715 INFO L168 Benchmark]: RCFGBuilder took 5135.37 ms. Allocated memory was 203.9 MB in the beginning and 298.8 MB in the end (delta: 94.9 MB). Free memory was 125.3 MB in the beginning and 239.6 MB in the end (delta: -114.2 MB). Peak memory consumption was 144.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:47,716 INFO L168 Benchmark]: TraceAbstraction took 194876.98 ms. Allocated memory was 298.8 MB in the beginning and 871.4 MB in the end (delta: 572.5 MB). Free memory was 239.6 MB in the beginning and 89.6 MB in the end (delta: 149.9 MB). Peak memory consumption was 722.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:47,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1192.31 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 100.2 MB in the beginning and 134.4 MB in the end (delta: -34.2 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 212.62 ms. Allocated memory is still 203.9 MB. Free memory was 134.4 MB in the beginning and 125.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5135.37 ms. Allocated memory was 203.9 MB in the beginning and 298.8 MB in the end (delta: 94.9 MB). Free memory was 125.3 MB in the beginning and 239.6 MB in the end (delta: -114.2 MB). Peak memory consumption was 144.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 194876.98 ms. Allocated memory was 298.8 MB in the beginning and 871.4 MB in the end (delta: 572.5 MB). Free memory was 239.6 MB in the beginning and 89.6 MB in the end (delta: 149.9 MB). Peak memory consumption was 722.5 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...