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_spec9_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:13:42,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:13:42,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:13:42,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:13:42,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:13:42,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:13:42,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:13:42,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:13:42,634 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:13:42,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:13:42,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:13:42,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:13:42,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:13:42,638 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:13:42,639 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:13:42,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:13:42,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:13:42,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:13:42,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:13:42,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:13:42,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:13:42,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:13:42,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:13:42,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:13:42,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:13:42,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:13:42,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:13:42,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:13:42,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:13:42,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:13:42,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:13:42,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:13:42,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:13:42,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:13:42,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:13:42,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:13:42,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:13:42,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:13:42,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:13:42,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:13:42,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:13:42,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:13:42,697 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:13:42,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:13:42,699 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:13:42,699 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:13:42,699 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:13:42,700 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:13:42,700 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:13:42,700 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:13:42,700 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:13:42,700 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:13:42,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:13:42,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:13:42,702 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:13:42,702 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:13:42,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:13:42,703 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:13:42,703 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:13:42,703 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:13:42,703 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:13:42,704 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:13:42,704 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:13:42,704 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:13:42,704 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:13:42,705 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:13:42,705 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:13:42,705 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:13:42,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:13:42,705 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:13:42,706 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:13:42,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:13:43,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:13:43,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:13:43,005 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:13:43,005 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:13:43,006 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product35.cil.c [2019-10-07 15:13:43,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68f0f842c/08b7fec1feed4018bdb3be26f3ed7065/FLAG9a7b983c3 [2019-10-07 15:13:43,707 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:13:43,708 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product35.cil.c [2019-10-07 15:13:43,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68f0f842c/08b7fec1feed4018bdb3be26f3ed7065/FLAG9a7b983c3 [2019-10-07 15:13:43,881 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68f0f842c/08b7fec1feed4018bdb3be26f3ed7065 [2019-10-07 15:13:43,891 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:13:43,893 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:13:43,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:13:43,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:13:43,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:13:43,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:13:43" (1/1) ... [2019-10-07 15:13:43,903 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63fcd581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:43, skipping insertion in model container [2019-10-07 15:13:43,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:13:43" (1/1) ... [2019-10-07 15:13:43,911 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:13:43,983 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:13:44,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:13:44,666 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:13:44,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:13:44,976 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:13:44,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44 WrapperNode [2019-10-07 15:13:44,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:13:44,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:13:44,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:13:44,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:13:44,993 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:44,993 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:45,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:45,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:45,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:45,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:45,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... [2019-10-07 15:13:45,232 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:13:45,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:13:45,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:13:45,236 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:13:45,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:13:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:13:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:13:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:13:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:13:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:13:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:13:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:13:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:13:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:13:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:13:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:13:45,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:13:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:13:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:13:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:13:45,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:13:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:13:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:13:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:13:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:13:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:13:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:13:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:13:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:13:45,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:13:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:13:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:13:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:13:45,334 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:13:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:13:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:13:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:13:45,335 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:13:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:13:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:13:45,336 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:13:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:13:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:13:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:13:45,337 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:13:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:13:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:13:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:13:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:13:45,338 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:13:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:13:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:13:45,339 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:13:45,340 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:13:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:13:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:13:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:13:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:13:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:13:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:13:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:13:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:13:45,342 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:13:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:13:45,343 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 15:13:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 15:13:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:13:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:13:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:13:45,344 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:13:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:13:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:13:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:13:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:13:45,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:13:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:13:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:13:45,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:13:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:13:45,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:13:45,348 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:13:45,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:13:45,349 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:13:45,349 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:13:45,349 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 15:13:45,350 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:13:45,350 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:13:45,350 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 15:13:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:13:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:13:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:13:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:13:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:13:45,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:13:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:13:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:13:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:13:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:13:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:13:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:13:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:13:45,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:13:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:13:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:13:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:13:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:13:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:13:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:13:45,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:13:45,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:13:45,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:13:45,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:13:45,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:13:45,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:13:45,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:13:45,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:13:45,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:13:45,355 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:13:45,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:13:45,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:13:45,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:13:45,356 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:13:45,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:13:45,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:13:45,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:13:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:13:45,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:13:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:13:45,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:13:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:13:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:13:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:13:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:13:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:13:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:13:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:13:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:13:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:13:45,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:13:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:13:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:13:45,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:13:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:13:45,368 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:13:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:13:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:13:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:13:45,369 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:13:45,370 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:13:45,377 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:13:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:13:45,378 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:13:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:13:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:13:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:13:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:13:45,379 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:13:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:13:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:13:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:13:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:13:45,380 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:13:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:13:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:13:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:13:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:13:45,381 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:13:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:13:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:13:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:13:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:13:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:13:45,382 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:13:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:13:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:13:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:13:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:13:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:13:45,383 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:13:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:13:45,384 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:13:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:13:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:13:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:13:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:13:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:13:45,385 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:13:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:13:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:13:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:13:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:13:45,386 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:13:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:13:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:13:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:13:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:13:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:13:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:13:45,387 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:13:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:13:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:13:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:13:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:13:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:13:45,388 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:13:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:13:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:13:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:13:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:13:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 15:13:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 15:13:45,389 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:13:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:13:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:13:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:13:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:13:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:13:45,390 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:13:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:13:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:13:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:13:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:13:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:13:45,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:13:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:13:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:13:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:13:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:13:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:13:45,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:13:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:13:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:13:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:13:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:13:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:13:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:13:45,393 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:13:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:13:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:13:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:13:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:13:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:13:45,394 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:13:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:13:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:13:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:13:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:13:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:13:45,395 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:13:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 15:13:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 15:13:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:13:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:13:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:13:45,396 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:13:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:13:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:13:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:13:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:13:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:13:45,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:13:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:13:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:13:45,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:13:50,089 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:13:50,091 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:13:50,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:13:50 BoogieIcfgContainer [2019-10-07 15:13:50,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:13:50,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:13:50,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:13:50,101 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:13:50,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:13:43" (1/3) ... [2019-10-07 15:13:50,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6570e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:13:50, skipping insertion in model container [2019-10-07 15:13:50,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:44" (2/3) ... [2019-10-07 15:13:50,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6570e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:13:50, skipping insertion in model container [2019-10-07 15:13:50,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:13:50" (3/3) ... [2019-10-07 15:13:50,105 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product35.cil.c [2019-10-07 15:13:50,118 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:13:50,131 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:13:50,142 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:13:50,177 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:13:50,177 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:13:50,177 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:13:50,178 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:13:50,178 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:13:50,178 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:13:50,178 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:13:50,178 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:13:50,206 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states. [2019-10-07 15:13:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 15:13:50,224 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:50,225 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:50,227 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:50,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:50,233 INFO L82 PathProgramCache]: Analyzing trace with hash -615790935, now seen corresponding path program 1 times [2019-10-07 15:13:50,243 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:50,243 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:50,243 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:50,244 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:50,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:50,860 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:50,861 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:50,861 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:13:50,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:13:50,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:13:50,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:13:50,882 INFO L87 Difference]: Start difference. First operand 482 states. Second operand 2 states. [2019-10-07 15:13:51,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:51,003 INFO L93 Difference]: Finished difference Result 739 states and 881 transitions. [2019-10-07 15:13:51,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:13:51,005 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-07 15:13:51,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:51,038 INFO L225 Difference]: With dead ends: 739 [2019-10-07 15:13:51,038 INFO L226 Difference]: Without dead ends: 455 [2019-10-07 15:13:51,049 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:13:51,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2019-10-07 15:13:51,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2019-10-07 15:13:51,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-10-07 15:13:51,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 538 transitions. [2019-10-07 15:13:51,168 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 538 transitions. Word has length 132 [2019-10-07 15:13:51,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:51,170 INFO L462 AbstractCegarLoop]: Abstraction has 455 states and 538 transitions. [2019-10-07 15:13:51,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:13:51,170 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 538 transitions. [2019-10-07 15:13:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 15:13:51,187 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:51,187 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:51,187 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:51,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:51,189 INFO L82 PathProgramCache]: Analyzing trace with hash 1975888617, now seen corresponding path program 1 times [2019-10-07 15:13:51,189 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:51,189 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:51,189 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:51,189 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:51,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:51,587 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:51,588 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:51,588 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:51,592 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:51,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:51,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:51,593 INFO L87 Difference]: Start difference. First operand 455 states and 538 transitions. Second operand 3 states. [2019-10-07 15:13:51,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:51,668 INFO L93 Difference]: Finished difference Result 724 states and 849 transitions. [2019-10-07 15:13:51,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:51,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-07 15:13:51,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:51,676 INFO L225 Difference]: With dead ends: 724 [2019-10-07 15:13:51,676 INFO L226 Difference]: Without dead ends: 457 [2019-10-07 15:13:51,678 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:51,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-10-07 15:13:51,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2019-10-07 15:13:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-10-07 15:13:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 540 transitions. [2019-10-07 15:13:51,728 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 540 transitions. Word has length 133 [2019-10-07 15:13:51,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:51,729 INFO L462 AbstractCegarLoop]: Abstraction has 457 states and 540 transitions. [2019-10-07 15:13:51,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:51,729 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 540 transitions. [2019-10-07 15:13:51,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 15:13:51,734 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:51,734 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:51,735 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:51,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:51,735 INFO L82 PathProgramCache]: Analyzing trace with hash 455044022, now seen corresponding path program 1 times [2019-10-07 15:13:51,736 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:51,736 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:51,737 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:51,737 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:51,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:51,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:51,908 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:51,909 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:51,909 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:51,909 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:51,910 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:51,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:51,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:51,911 INFO L87 Difference]: Start difference. First operand 457 states and 540 transitions. Second operand 3 states. [2019-10-07 15:13:51,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:51,960 INFO L93 Difference]: Finished difference Result 900 states and 1093 transitions. [2019-10-07 15:13:51,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:51,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-10-07 15:13:51,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:51,965 INFO L225 Difference]: With dead ends: 900 [2019-10-07 15:13:51,966 INFO L226 Difference]: Without dead ends: 501 [2019-10-07 15:13:51,967 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:51,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-10-07 15:13:51,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 500. [2019-10-07 15:13:51,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-10-07 15:13:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 614 transitions. [2019-10-07 15:13:51,999 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 614 transitions. Word has length 145 [2019-10-07 15:13:52,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:52,000 INFO L462 AbstractCegarLoop]: Abstraction has 500 states and 614 transitions. [2019-10-07 15:13:52,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 614 transitions. [2019-10-07 15:13:52,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 15:13:52,003 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:52,004 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:52,004 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:52,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:52,005 INFO L82 PathProgramCache]: Analyzing trace with hash 327405791, now seen corresponding path program 1 times [2019-10-07 15:13:52,005 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:52,006 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:52,006 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:52,006 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:52,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:53,319 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-10-07 15:13:53,320 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:53,320 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:13:53,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:13:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:53,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 2975 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:13:53,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:13:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:54,110 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:13:54,356 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:13:54,356 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:13:54,387 INFO L162 IcfgInterpreter]: Started Sifa with 135 locations of interest [2019-10-07 15:13:54,387 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:13:54,394 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:13:54,402 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:13:54,403 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:15:47,725 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 745 [2019-10-07 15:15:52,888 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 368 DAG size of output: 299 [2019-10-07 15:15:53,285 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 795 [2019-10-07 15:15:53,661 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 795 [2019-10-07 15:15:53,904 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 795 [2019-10-07 15:15:54,057 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 15:15:54,779 WARN L191 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 1103 [2019-10-07 15:15:55,551 WARN L191 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 1103 [2019-10-07 15:15:56,293 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 1103 [2019-10-07 15:15:56,458 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 15:15:57,168 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 1103 [2019-10-07 15:15:58,514 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 1105 DAG size of output: 1103 [2019-10-07 15:15:59,212 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1103 [2019-10-07 15:15:59,360 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 15:16:00,066 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1103 [2019-10-07 15:16:00,753 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1103 [2019-10-07 15:16:01,430 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1103 [2019-10-07 15:16:01,556 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 15:16:02,245 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1103 [2019-10-07 15:16:02,275 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 592 for LOIs [2019-10-07 15:16:02,669 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 706 [2019-10-07 15:16:02,801 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 706 [2019-10-07 15:16:02,928 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2019-10-07 15:16:03,427 WARN L191 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 15:16:03,429 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1167 for LOIs [2019-10-07 15:16:04,132 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:04,792 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:05,070 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:06,159 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:06,839 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:07,505 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:07,896 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:08,980 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:09,683 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:10,343 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:10,796 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:11,890 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:13,019 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1167 [2019-10-07 15:16:13,672 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:14,152 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 672 [2019-10-07 15:16:15,253 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:15,926 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:16,585 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:16,850 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:17,934 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:18,586 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:19,251 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:19,520 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:20,612 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:21,274 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:21,933 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:22,198 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:23,282 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:23,950 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:24,612 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:24,875 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:25,978 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:26,633 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:27,294 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:27,556 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:28,641 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:29,305 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:29,960 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:30,223 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:31,324 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:31,980 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:32,637 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:32,900 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:33,989 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:34,645 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:35,304 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:35,573 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:36,662 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:37,323 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:37,984 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1167 [2019-10-07 15:16:38,244 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:39,329 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:40,491 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:41,586 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:41,856 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:42,940 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:44,987 WARN L191 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1379 [2019-10-07 15:16:46,104 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:46,377 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:47,479 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:48,574 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:49,674 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:49,936 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:16:51,044 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:16:52,205 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1381 [2019-10-07 15:16:53,298 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1381 [2019-10-07 15:16:53,562 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:16:54,655 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:16:56,649 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1385 DAG size of output: 1381 [2019-10-07 15:16:57,757 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1381 [2019-10-07 15:16:58,029 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:16:59,124 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:00,224 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1381 [2019-10-07 15:17:01,335 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1381 [2019-10-07 15:17:01,598 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:17:02,698 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:03,797 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1381 [2019-10-07 15:17:04,897 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1381 [2019-10-07 15:17:05,163 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:17:06,256 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:07,367 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:08,462 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:08,733 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:17:09,831 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1385 [2019-10-07 15:17:11,879 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1379 [2019-10-07 15:17:12,958 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:13,237 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:17:14,310 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:17,048 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1379 [2019-10-07 15:17:18,127 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:18,411 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:17:19,501 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:20,592 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:21,682 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:21,943 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:17:23,027 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:25,882 WARN L191 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1379 [2019-10-07 15:17:26,985 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:27,290 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:17:28,376 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:30,369 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1381 DAG size of output: 1379 [2019-10-07 15:17:31,451 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:31,723 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:17:32,808 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:33,885 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:34,958 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:35,219 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 672 [2019-10-07 15:17:36,299 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1379 [2019-10-07 15:17:38,311 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1385 DAG size of output: 1383 [2019-10-07 15:17:39,397 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:39,666 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:17:40,751 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:42,767 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 1385 DAG size of output: 1383 [2019-10-07 15:17:43,858 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:44,136 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:17:45,241 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:47,266 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1385 DAG size of output: 1383 [2019-10-07 15:17:48,377 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:48,643 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:17:49,751 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:51,679 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1390 DAG size of output: 1383 [2019-10-07 15:17:52,799 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:53,077 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:17:54,186 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1383 [2019-10-07 15:17:56,214 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1392 DAG size of output: 1385 [2019-10-07 15:17:57,325 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1385 [2019-10-07 15:17:57,608 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:17:58,719 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1385 [2019-10-07 15:17:58,982 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:17:58,983 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:17:58,989 INFO L168 Benchmark]: Toolchain (without parser) took 255096.17 ms. Allocated memory was 145.2 MB in the beginning and 724.6 MB in the end (delta: 579.3 MB). Free memory was 100.2 MB in the beginning and 180.3 MB in the end (delta: -80.1 MB). Peak memory consumption was 499.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:58,990 INFO L168 Benchmark]: CDTParser took 0.20 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:17:58,991 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1082.57 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 100.0 MB in the beginning and 130.5 MB in the end (delta: -30.5 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:58,991 INFO L168 Benchmark]: Boogie Preprocessor took 255.96 ms. Allocated memory is still 203.9 MB. Free memory was 130.5 MB in the beginning and 121.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:58,992 INFO L168 Benchmark]: RCFGBuilder took 4860.40 ms. Allocated memory was 203.9 MB in the beginning and 294.1 MB in the end (delta: 90.2 MB). Free memory was 120.7 MB in the beginning and 219.0 MB in the end (delta: -98.3 MB). Peak memory consumption was 135.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:58,993 INFO L168 Benchmark]: TraceAbstraction took 248890.49 ms. Allocated memory was 294.1 MB in the beginning and 724.6 MB in the end (delta: 430.4 MB). Free memory was 219.0 MB in the beginning and 180.3 MB in the end (delta: 38.7 MB). Peak memory consumption was 469.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:17:58,996 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1082.57 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 100.0 MB in the beginning and 130.5 MB in the end (delta: -30.5 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 255.96 ms. Allocated memory is still 203.9 MB. Free memory was 130.5 MB in the beginning and 121.4 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4860.40 ms. Allocated memory was 203.9 MB in the beginning and 294.1 MB in the end (delta: 90.2 MB). Free memory was 120.7 MB in the beginning and 219.0 MB in the end (delta: -98.3 MB). Peak memory consumption was 135.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 248890.49 ms. Allocated memory was 294.1 MB in the beginning and 724.6 MB in the end (delta: 430.4 MB). Free memory was 219.0 MB in the beginning and 180.3 MB in the end (delta: 38.7 MB). Peak memory consumption was 469.1 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...