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_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:46:27,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:46:27,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:46:27,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:46:27,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:46:27,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:46:27,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:46:27,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:46:27,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:46:27,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:46:27,155 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:46:27,156 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:46:27,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:46:27,158 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:46:27,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:46:27,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:46:27,160 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:46:27,161 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:46:27,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:46:27,165 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:46:27,167 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:46:27,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:46:27,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:46:27,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:46:27,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:46:27,172 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:46:27,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:46:27,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:46:27,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:46:27,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:46:27,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:46:27,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:46:27,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:46:27,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:46:27,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:46:27,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:46:27,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:46:27,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:46:27,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:46:27,181 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:46:27,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:46:27,182 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 14:46:27,205 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:46:27,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:46:27,206 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:46:27,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:46:27,207 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:46:27,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:46:27,208 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:46:27,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:46:27,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:46:27,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:46:27,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:46:27,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:46:27,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:46:27,210 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:46:27,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:46:27,211 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:46:27,211 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:46:27,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:46:27,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:46:27,212 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:46:27,212 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:46:27,212 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:46:27,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:46:27,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:46:27,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:46:27,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:46:27,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:46:27,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:46:27,214 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 14:46:27,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:46:27,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:46:27,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:46:27,500 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:46:27,501 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:46:27,501 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-10-07 14:46:27,585 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e919a15/8c32d65cb5dc4e08a337e87c176e3d24/FLAG4a89a3e0e [2019-10-07 14:46:28,287 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:46:28,290 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-10-07 14:46:28,311 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e919a15/8c32d65cb5dc4e08a337e87c176e3d24/FLAG4a89a3e0e [2019-10-07 14:46:28,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01e919a15/8c32d65cb5dc4e08a337e87c176e3d24 [2019-10-07 14:46:28,439 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:46:28,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:46:28,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:28,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:46:28,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:46:28,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:28" (1/1) ... [2019-10-07 14:46:28,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc689a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:28, skipping insertion in model container [2019-10-07 14:46:28,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:28" (1/1) ... [2019-10-07 14:46:28,458 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:46:28,545 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:46:29,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:29,415 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:46:29,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:29,692 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:46:29,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29 WrapperNode [2019-10-07 14:46:29,693 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:29,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:46:29,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:46:29,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:46:29,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29" (1/1) ... [2019-10-07 14:46:29,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29" (1/1) ... [2019-10-07 14:46:29,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29" (1/1) ... [2019-10-07 14:46:29,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29" (1/1) ... [2019-10-07 14:46:29,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29" (1/1) ... [2019-10-07 14:46:29,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29" (1/1) ... [2019-10-07 14:46:29,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29" (1/1) ... [2019-10-07 14:46:29,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:46:29,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:46:29,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:46:29,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:46:29,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29" (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 14:46:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:46:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:46:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:46:29,959 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 14:46:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:46:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:46:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:46:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:46:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:46:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:46:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:46:29,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:46:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:29,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:46:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:46:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:46:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:46:29,968 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:46:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:46:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:46:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:46:29,969 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:46:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:46:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:46:29,970 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:46:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:46:29,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:46:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:46:29,972 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:46:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:46:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:46:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:46:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:46:29,973 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:46:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:46:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:46:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:46:29,974 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:46:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:46:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:46:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:46:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:46:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:46:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:46:29,975 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:46:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:46:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:46:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:46:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:46:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:46:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:46:29,976 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:46:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:46:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:46:29,977 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:46:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:46:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:46:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:46:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:46:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:46:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:46:29,978 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:46:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:46:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:46:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:46:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:46:29,979 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:46:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:46:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:46:29,980 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:46:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:46:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:46:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:46:29,981 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:46:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:46:29,982 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:46:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:46:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:46:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:46:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:46:29,983 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:46:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:46:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:46:29,984 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:46:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:46:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:46:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:46:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:46:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:46:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:46:29,985 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:46:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:46:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:46:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:46:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:46:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:46:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:46:29,986 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:46:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:46:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:46:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:46:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:46:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:46:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:46:29,987 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:46:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:46:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:46:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:46:29,988 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:46:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:46:29,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:46:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:46:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:46:29,989 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:46:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:46:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:46:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:46:29,990 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:46:29,991 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:46:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:46:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:46:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:46:29,992 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:46:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:46:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:46:29,993 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:46:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:46:29,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:46:29,997 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 14:46:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:46:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:46:29,998 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:46:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:46:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:46:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:46:29,999 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:46:30,000 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:46:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:46:30,007 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:46:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:46:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:46:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:46:30,008 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:46:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:46:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:46:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:46:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:46:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:46:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:46:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:46:30,009 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:46:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:46:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:46:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:46:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:46:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:46:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:46:30,010 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:46:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:46:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:46:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:46:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:46:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:46:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:46:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:46:30,011 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:46:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:46:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:46:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:46:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:46:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:46:30,012 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:46:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:46:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:46:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:46:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:46:30,013 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:46:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:46:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:46:30,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:46:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:46:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:46:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:46:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:46:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:46:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:46:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:46:30,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:46:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:46:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:46:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:46:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:46:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:46:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:46:30,016 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:46:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:46:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:46:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:46:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:46:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:46:30,017 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:46:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:46:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:46:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:46:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:46:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:46:30,018 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:46:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:46:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:46:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:46:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:46:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:46:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:46:30,019 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:46:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:46:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:46:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:46:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:46:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:46:30,020 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:46:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:46:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:46:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:46:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:46:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:46:30,021 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:46:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:46:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:46:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:46:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:46:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:46:30,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:46:34,727 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:46:34,728 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:46:34,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:34 BoogieIcfgContainer [2019-10-07 14:46:34,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:46:34,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:46:34,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:46:34,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:46:34,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:46:28" (1/3) ... [2019-10-07 14:46:34,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2247d5c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:34, skipping insertion in model container [2019-10-07 14:46:34,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:29" (2/3) ... [2019-10-07 14:46:34,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2247d5c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:34, skipping insertion in model container [2019-10-07 14:46:34,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:34" (3/3) ... [2019-10-07 14:46:34,738 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product30.cil.c [2019-10-07 14:46:34,748 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:46:34,758 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:46:34,770 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:46:34,800 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:46:34,800 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:46:34,801 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:46:34,801 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:46:34,801 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:46:34,801 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:46:34,801 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:46:34,801 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:46:34,832 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states. [2019-10-07 14:46:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 14:46:34,866 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:34,867 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:34,869 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:34,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:34,877 INFO L82 PathProgramCache]: Analyzing trace with hash -1049029826, now seen corresponding path program 1 times [2019-10-07 14:46:34,887 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:34,887 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:34,887 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:34,887 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:34,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:35,528 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:35,529 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:35,529 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:46:35,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:46:35,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:46:35,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:46:35,554 INFO L87 Difference]: Start difference. First operand 399 states. Second operand 2 states. [2019-10-07 14:46:35,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:35,652 INFO L93 Difference]: Finished difference Result 564 states and 668 transitions. [2019-10-07 14:46:35,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:46:35,654 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-07 14:46:35,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:35,673 INFO L225 Difference]: With dead ends: 564 [2019-10-07 14:46:35,674 INFO L226 Difference]: Without dead ends: 357 [2019-10-07 14:46:35,680 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 14:46:35,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-10-07 14:46:35,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2019-10-07 14:46:35,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-10-07 14:46:35,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 422 transitions. [2019-10-07 14:46:35,767 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 422 transitions. Word has length 125 [2019-10-07 14:46:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:35,769 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 422 transitions. [2019-10-07 14:46:35,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:46:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 422 transitions. [2019-10-07 14:46:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-07 14:46:35,774 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:35,774 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:35,775 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:35,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:35,775 INFO L82 PathProgramCache]: Analyzing trace with hash -1547460294, now seen corresponding path program 1 times [2019-10-07 14:46:35,775 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:35,776 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:35,776 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:35,776 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:35,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:35,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:36,021 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:36,021 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:36,022 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:36,022 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:36,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:36,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:36,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:36,025 INFO L87 Difference]: Start difference. First operand 357 states and 422 transitions. Second operand 3 states. [2019-10-07 14:46:36,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:36,063 INFO L93 Difference]: Finished difference Result 549 states and 639 transitions. [2019-10-07 14:46:36,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:36,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-07 14:46:36,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:36,072 INFO L225 Difference]: With dead ends: 549 [2019-10-07 14:46:36,073 INFO L226 Difference]: Without dead ends: 359 [2019-10-07 14:46:36,077 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:36,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-10-07 14:46:36,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2019-10-07 14:46:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-07 14:46:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 424 transitions. [2019-10-07 14:46:36,140 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 424 transitions. Word has length 126 [2019-10-07 14:46:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:36,140 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 424 transitions. [2019-10-07 14:46:36,141 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:36,141 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 424 transitions. [2019-10-07 14:46:36,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 14:46:36,144 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:36,144 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:36,145 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:36,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:36,145 INFO L82 PathProgramCache]: Analyzing trace with hash -1154449081, now seen corresponding path program 1 times [2019-10-07 14:46:36,145 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:36,146 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:36,146 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:36,146 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:36,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:36,341 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:36,342 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:36,342 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:36,342 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:36,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:36,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:36,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:36,343 INFO L87 Difference]: Start difference. First operand 359 states and 424 transitions. Second operand 3 states. [2019-10-07 14:46:36,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:36,415 INFO L93 Difference]: Finished difference Result 700 states and 855 transitions. [2019-10-07 14:46:36,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:36,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-07 14:46:36,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:36,422 INFO L225 Difference]: With dead ends: 700 [2019-10-07 14:46:36,422 INFO L226 Difference]: Without dead ends: 399 [2019-10-07 14:46:36,426 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 14:46:36,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-10-07 14:46:36,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 398. [2019-10-07 14:46:36,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-07 14:46:36,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 492 transitions. [2019-10-07 14:46:36,461 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 492 transitions. Word has length 135 [2019-10-07 14:46:36,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:36,461 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 492 transitions. [2019-10-07 14:46:36,461 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:36,462 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 492 transitions. [2019-10-07 14:46:36,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 14:46:36,468 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:36,469 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:36,469 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:36,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:36,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1505761215, now seen corresponding path program 1 times [2019-10-07 14:46:36,470 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:36,470 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:36,470 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:36,472 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:36,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:36,694 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:36,694 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:36,694 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:36,695 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:36,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:36,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:36,698 INFO L87 Difference]: Start difference. First operand 398 states and 492 transitions. Second operand 3 states. [2019-10-07 14:46:36,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:36,742 INFO L93 Difference]: Finished difference Result 814 states and 1054 transitions. [2019-10-07 14:46:36,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:36,742 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-10-07 14:46:36,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:36,749 INFO L225 Difference]: With dead ends: 814 [2019-10-07 14:46:36,749 INFO L226 Difference]: Without dead ends: 474 [2019-10-07 14:46:36,750 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 14:46:36,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-10-07 14:46:36,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 473. [2019-10-07 14:46:36,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2019-10-07 14:46:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 622 transitions. [2019-10-07 14:46:36,780 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 622 transitions. Word has length 136 [2019-10-07 14:46:36,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:36,781 INFO L462 AbstractCegarLoop]: Abstraction has 473 states and 622 transitions. [2019-10-07 14:46:36,781 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 622 transitions. [2019-10-07 14:46:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-07 14:46:36,786 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:36,786 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:36,786 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:36,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:36,787 INFO L82 PathProgramCache]: Analyzing trace with hash -1786788016, now seen corresponding path program 1 times [2019-10-07 14:46:36,787 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:36,787 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:36,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:36,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:36,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:36,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:46:37,545 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:37,545 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:46:37,546 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 14:46:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:38,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:46:38,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:46:38,370 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:38,370 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:46:38,709 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:38,709 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:46:38,745 INFO L162 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-10-07 14:46:38,745 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:46:38,753 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:46:38,762 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:46:38,763 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:47:27,017 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 678 [2019-10-07 14:47:30,903 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 296 DAG size of output: 241 [2019-10-07 14:47:31,274 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 714 [2019-10-07 14:47:31,591 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 714 [2019-10-07 14:47:31,946 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 714 [2019-10-07 14:47:32,179 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:32,850 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:47:33,517 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:47:34,165 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:47:34,335 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:35,006 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:47:36,399 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1013 DAG size of output: 1011 [2019-10-07 14:47:36,997 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:47:37,197 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:37,786 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:47:38,395 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:47:38,987 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:47:39,156 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:39,740 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 14:47:39,766 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 556 for LOIs [2019-10-07 14:47:40,146 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:47:40,346 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 645 [2019-10-07 14:47:40,473 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:40,931 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 942 [2019-10-07 14:47:40,933 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1050 for LOIs [2019-10-07 14:47:41,532 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:42,108 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:42,323 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:43,171 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:47:43,771 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:44,360 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:44,578 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:45,426 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:47:46,074 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:46,682 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:46,932 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:47,785 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:47:48,954 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1193 DAG size of output: 1050 [2019-10-07 14:47:49,536 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:50,058 WARN L191 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 584 [2019-10-07 14:47:50,889 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:47:51,468 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:52,031 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:52,249 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:53,081 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:47:53,653 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:54,227 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:54,430 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:55,283 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:47:55,852 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:56,429 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:56,659 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:57,496 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:47:58,073 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:58,643 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:47:58,843 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:59,685 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:00,258 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:00,829 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:01,038 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:01,872 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:02,443 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:03,012 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:03,215 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:04,051 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:04,620 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:05,199 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:05,405 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:06,242 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:06,809 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:07,381 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:07,584 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:08,424 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:08,992 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:09,563 WARN L191 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 1050 [2019-10-07 14:48:09,764 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:10,612 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:11,504 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:12,334 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:12,680 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:13,522 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:15,125 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1193 DAG size of output: 1191 [2019-10-07 14:48:15,960 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:16,182 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:17,023 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:17,852 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:18,688 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:18,889 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:19,724 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:20,585 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1193 [2019-10-07 14:48:21,413 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1193 [2019-10-07 14:48:21,619 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:22,452 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:48:24,008 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1197 DAG size of output: 1195 [2019-10-07 14:48:24,833 WARN L191 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:48:25,050 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:25,889 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:48:27,291 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1197 DAG size of output: 1193 [2019-10-07 14:48:28,116 WARN L191 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 1193 [2019-10-07 14:48:28,320 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:29,153 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:48:30,012 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:48:30,853 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:48:31,086 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:31,919 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:48:32,756 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 14:48:33,589 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 14:48:33,804 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:34,641 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 14:48:37,051 WARN L191 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 1193 DAG size of output: 1191 [2019-10-07 14:48:37,884 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:38,106 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:38,940 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:41,346 WARN L191 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1193 DAG size of output: 1191 [2019-10-07 14:48:42,180 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:42,423 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:43,251 WARN L191 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:44,078 WARN L191 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:44,906 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:45,108 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:45,942 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:47,476 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1193 DAG size of output: 1191 [2019-10-07 14:48:48,313 WARN L191 SmtUtils]: Spent 834.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:48,522 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:49,360 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:50,870 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1193 DAG size of output: 1191 [2019-10-07 14:48:51,710 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:51,920 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:52,751 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:53,577 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:54,405 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:54,605 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:55,434 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1191 [2019-10-07 14:48:56,967 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1197 DAG size of output: 1195 [2019-10-07 14:48:57,800 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:48:58,015 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:58,847 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:49:00,351 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1197 DAG size of output: 1195 [2019-10-07 14:49:01,183 WARN L191 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:49:01,398 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:49:02,229 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:49:03,061 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:49:03,898 WARN L191 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:49:04,103 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:49:04,930 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:49:06,346 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1193 [2019-10-07 14:49:07,172 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1193 [2019-10-07 14:49:07,386 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:49:08,220 WARN L191 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:49:09,723 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1204 DAG size of output: 1195 [2019-10-07 14:49:10,542 WARN L191 SmtUtils]: Spent 816.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 14:49:10,909 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:49:11,750 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1197 [2019-10-07 14:49:12,000 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:49:12,001 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 14:49:12,008 INFO L168 Benchmark]: Toolchain (without parser) took 163567.19 ms. Allocated memory was 145.2 MB in the beginning and 787.0 MB in the end (delta: 641.7 MB). Free memory was 100.6 MB in the beginning and 650.8 MB in the end (delta: -550.2 MB). Peak memory consumption was 91.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:12,008 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:49:12,009 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1251.60 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 100.4 MB in the beginning and 136.3 MB in the end (delta: -35.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:12,010 INFO L168 Benchmark]: Boogie Preprocessor took 175.44 ms. Allocated memory is still 205.5 MB. Free memory was 136.3 MB in the beginning and 127.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:12,011 INFO L168 Benchmark]: RCFGBuilder took 4860.05 ms. Allocated memory was 205.5 MB in the beginning and 289.4 MB in the end (delta: 83.9 MB). Free memory was 127.1 MB in the beginning and 227.5 MB in the end (delta: -100.4 MB). Peak memory consumption was 130.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:12,011 INFO L168 Benchmark]: TraceAbstraction took 157275.20 ms. Allocated memory was 289.4 MB in the beginning and 787.0 MB in the end (delta: 497.5 MB). Free memory was 224.5 MB in the beginning and 650.8 MB in the end (delta: -426.3 MB). Peak memory consumption was 71.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:12,015 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 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1251.60 ms. Allocated memory was 145.2 MB in the beginning and 205.5 MB in the end (delta: 60.3 MB). Free memory was 100.4 MB in the beginning and 136.3 MB in the end (delta: -35.9 MB). Peak memory consumption was 32.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 175.44 ms. Allocated memory is still 205.5 MB. Free memory was 136.3 MB in the beginning and 127.8 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4860.05 ms. Allocated memory was 205.5 MB in the beginning and 289.4 MB in the end (delta: 83.9 MB). Free memory was 127.1 MB in the beginning and 227.5 MB in the end (delta: -100.4 MB). Peak memory consumption was 130.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 157275.20 ms. Allocated memory was 289.4 MB in the beginning and 787.0 MB in the end (delta: 497.5 MB). Free memory was 224.5 MB in the beginning and 650.8 MB in the end (delta: -426.3 MB). Peak memory consumption was 71.3 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...