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_spec6_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:00:21,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:00:21,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:00:21,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:00:21,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:00:21,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:00:21,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:00:21,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:00:21,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:00:21,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:00:21,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:00:21,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:00:21,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:00:21,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:00:21,619 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:00:21,620 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:00:21,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:00:21,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:00:21,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:00:21,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:00:21,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:00:21,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:00:21,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:00:21,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:00:21,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:00:21,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:00:21,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:00:21,632 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:00:21,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:00:21,633 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:00:21,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:00:21,634 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:00:21,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:00:21,636 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:00:21,637 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:00:21,637 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:00:21,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:00:21,638 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:00:21,638 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:00:21,639 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:00:21,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:00:21,640 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 15:00:21,653 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:00:21,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:00:21,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:00:21,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:00:21,655 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:00:21,655 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:00:21,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:00:21,656 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:00:21,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:00:21,656 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:00:21,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:00:21,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:00:21,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:00:21,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:00:21,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:00:21,657 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:00:21,657 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:00:21,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:00:21,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:00:21,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:00:21,658 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:00:21,658 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:00:21,658 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:00:21,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:00:21,659 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:00:21,659 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:00:21,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:00:21,659 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:00:21,660 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 15:00:21,973 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:00:21,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:00:21,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:00:21,992 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:00:21,992 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:00:21,993 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product21.cil.c [2019-10-07 15:00:22,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73ef6b61/57eaa5c38b4c4a7b966e07cdf3eaf018/FLAG6a9301c03 [2019-10-07 15:00:22,702 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:00:22,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product21.cil.c [2019-10-07 15:00:22,725 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73ef6b61/57eaa5c38b4c4a7b966e07cdf3eaf018/FLAG6a9301c03 [2019-10-07 15:00:22,953 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f73ef6b61/57eaa5c38b4c4a7b966e07cdf3eaf018 [2019-10-07 15:00:22,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:00:22,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:00:22,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:00:22,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:00:22,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:00:22,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:00:22" (1/1) ... [2019-10-07 15:00:22,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@347d395f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:22, skipping insertion in model container [2019-10-07 15:00:22,971 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:00:22" (1/1) ... [2019-10-07 15:00:22,976 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:00:23,052 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:00:23,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:00:23,775 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:00:23,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:00:24,025 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:00:24,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24 WrapperNode [2019-10-07 15:00:24,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:00:24,026 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:00:24,026 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:00:24,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:00:24,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24" (1/1) ... [2019-10-07 15:00:24,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24" (1/1) ... [2019-10-07 15:00:24,068 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24" (1/1) ... [2019-10-07 15:00:24,068 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24" (1/1) ... [2019-10-07 15:00:24,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24" (1/1) ... [2019-10-07 15:00:24,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24" (1/1) ... [2019-10-07 15:00:24,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24" (1/1) ... [2019-10-07 15:00:24,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:00:24,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:00:24,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:00:24,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:00:24,194 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24" (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 15:00:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:00:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:00:24,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:00:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:00:24,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:00:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:00:24,249 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:00:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:00:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:00:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:00:24,250 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:00:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:00:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:00:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:00:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:00:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:00:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:00:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 15:00:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:00:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:00:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:00:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:00:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:00:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:00:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:00:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:00:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:00:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:00:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:00:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:00:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:00:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:00:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:00:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:00:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:00:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:00:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:00:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:00:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:00:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:00:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:00:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:00:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:00:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:00:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:00:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:00:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:00:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:00:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:00:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:00:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:00:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:00:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:00:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:00:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:00:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:00:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:00:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:00:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:00:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:00:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:00:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:00:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:00:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:00:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:00:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:00:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:00:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:00:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:00:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:00:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:00:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:00:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:00:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:00:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:00:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:00:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:00:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:00:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:00:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:00:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:00:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:00:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:00:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:00:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:00:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:00:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:00:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:00:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:00:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:00:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:00:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:00:24,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:00:24,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:00:24,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:00:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:00:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:00:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:00:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:00:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:00:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:00:24,275 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:00:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:00:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:00:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:00:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:00:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:00:24,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:00:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:00:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:00:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:00:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:00:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:00:24,277 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:00:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:00:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:00:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:00:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:00:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:00:24,278 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:00:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:00:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:00:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:00:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:00:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:00:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:00:24,279 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:00:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:00:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:00:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:00:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:00:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:00:24,280 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:00:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:00:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:00:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:00:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:00:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:00:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:00:24,281 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:00:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:00:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:00:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:00:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 15:00:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:00:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:00:24,282 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:00:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:00:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:00:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:00:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:00:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:00:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:00:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:00:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:00:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:00:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:00:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:00:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:00:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:00:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:00:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:00:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:00:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:00:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:00:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:00:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:00:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:00:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:00:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:00:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:00:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:00:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:00:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:00:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:00:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:00:24,286 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:00:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:00:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:00:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:00:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:00:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:00:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:00:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:00:24,287 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:00:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:00:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:00:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:00:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:00:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:00:24,288 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:00:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:00:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:00:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:00:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:00:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:00:24,289 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:00:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:00:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:00:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:00:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:00:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:00:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:00:24,290 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:00:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:00:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:00:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:00:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:00:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:00:24,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:00:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:00:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:00:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:00:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:00:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:00:24,292 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:00:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:00:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:00:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:00:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:00:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:00:24,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:00:24,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:00:28,446 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:00:28,447 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:00:28,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:00:28 BoogieIcfgContainer [2019-10-07 15:00:28,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:00:28,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:00:28,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:00:28,453 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:00:28,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:00:22" (1/3) ... [2019-10-07 15:00:28,454 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdf1a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:00:28, skipping insertion in model container [2019-10-07 15:00:28,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:00:24" (2/3) ... [2019-10-07 15:00:28,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdf1a7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:00:28, skipping insertion in model container [2019-10-07 15:00:28,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:00:28" (3/3) ... [2019-10-07 15:00:28,457 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2019-10-07 15:00:28,467 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:00:28,477 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:00:28,488 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:00:28,517 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:00:28,517 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:00:28,517 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:00:28,517 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:00:28,517 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:00:28,518 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:00:28,518 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:00:28,518 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:00:28,550 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states. [2019-10-07 15:00:28,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-07 15:00:28,568 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:28,569 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] [2019-10-07 15:00:28,571 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:28,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:28,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2061290457, now seen corresponding path program 1 times [2019-10-07 15:00:28,586 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:28,587 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:28,587 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:28,588 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:28,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:29,281 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:00:29,282 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:29,282 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:00:29,283 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:00:29,287 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:00:29,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:00:29,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:00:29,303 INFO L87 Difference]: Start difference. First operand 400 states. Second operand 2 states. [2019-10-07 15:00:29,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:00:29,369 INFO L93 Difference]: Finished difference Result 582 states and 696 transitions. [2019-10-07 15:00:29,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:00:29,370 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 143 [2019-10-07 15:00:29,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:00:29,389 INFO L225 Difference]: With dead ends: 582 [2019-10-07 15:00:29,389 INFO L226 Difference]: Without dead ends: 373 [2019-10-07 15:00:29,395 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 15:00:29,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2019-10-07 15:00:29,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2019-10-07 15:00:29,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-07 15:00:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 442 transitions. [2019-10-07 15:00:29,476 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 442 transitions. Word has length 143 [2019-10-07 15:00:29,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:00:29,479 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 442 transitions. [2019-10-07 15:00:29,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:00:29,479 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 442 transitions. [2019-10-07 15:00:29,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-07 15:00:29,484 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:29,485 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] [2019-10-07 15:00:29,485 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:29,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:29,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1103720808, now seen corresponding path program 1 times [2019-10-07 15:00:29,486 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:29,486 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:29,486 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:29,486 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:29,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:00:29,716 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:29,716 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:00:29,716 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:00:29,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:00:29,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:00:29,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:00:29,722 INFO L87 Difference]: Start difference. First operand 373 states and 442 transitions. Second operand 3 states. [2019-10-07 15:00:29,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:00:29,773 INFO L93 Difference]: Finished difference Result 567 states and 664 transitions. [2019-10-07 15:00:29,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:00:29,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-10-07 15:00:29,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:00:29,779 INFO L225 Difference]: With dead ends: 567 [2019-10-07 15:00:29,779 INFO L226 Difference]: Without dead ends: 375 [2019-10-07 15:00:29,782 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 15:00:29,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2019-10-07 15:00:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2019-10-07 15:00:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-10-07 15:00:29,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 444 transitions. [2019-10-07 15:00:29,819 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 444 transitions. Word has length 144 [2019-10-07 15:00:29,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:00:29,820 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 444 transitions. [2019-10-07 15:00:29,820 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:00:29,820 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 444 transitions. [2019-10-07 15:00:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-07 15:00:29,833 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:29,833 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:00:29,834 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:29,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:29,834 INFO L82 PathProgramCache]: Analyzing trace with hash -730650997, now seen corresponding path program 1 times [2019-10-07 15:00:29,834 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:29,834 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:29,835 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:29,835 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:30,212 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:00:30,213 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:30,213 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:00:30,214 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:00:30,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:00:30,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:00:30,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:00:30,219 INFO L87 Difference]: Start difference. First operand 375 states and 444 transitions. Second operand 3 states. [2019-10-07 15:00:30,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:00:30,287 INFO L93 Difference]: Finished difference Result 734 states and 898 transitions. [2019-10-07 15:00:30,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:00:30,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-07 15:00:30,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:00:30,298 INFO L225 Difference]: With dead ends: 734 [2019-10-07 15:00:30,298 INFO L226 Difference]: Without dead ends: 417 [2019-10-07 15:00:30,306 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 15:00:30,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-10-07 15:00:30,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 416. [2019-10-07 15:00:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2019-10-07 15:00:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 515 transitions. [2019-10-07 15:00:30,346 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 515 transitions. Word has length 149 [2019-10-07 15:00:30,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:00:30,347 INFO L462 AbstractCegarLoop]: Abstraction has 416 states and 515 transitions. [2019-10-07 15:00:30,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:00:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 515 transitions. [2019-10-07 15:00:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-07 15:00:30,351 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:30,352 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:00:30,352 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:30,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:30,353 INFO L82 PathProgramCache]: Analyzing trace with hash 819131061, now seen corresponding path program 1 times [2019-10-07 15:00:30,353 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:30,353 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:30,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:30,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:30,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:30,919 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:00:30,922 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:30,923 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:00:30,923 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-10-07 15:00:30,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-07 15:00:30,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-07 15:00:30,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2019-10-07 15:00:30,926 INFO L87 Difference]: Start difference. First operand 416 states and 515 transitions. Second operand 24 states. [2019-10-07 15:00:38,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:00:38,454 INFO L93 Difference]: Finished difference Result 1110 states and 1367 transitions. [2019-10-07 15:00:38,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-07 15:00:38,455 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 150 [2019-10-07 15:00:38,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:00:38,462 INFO L225 Difference]: With dead ends: 1110 [2019-10-07 15:00:38,462 INFO L226 Difference]: Without dead ends: 926 [2019-10-07 15:00:38,465 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=272, Invalid=2484, Unknown=0, NotChecked=0, Total=2756 [2019-10-07 15:00:38,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2019-10-07 15:00:38,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 913. [2019-10-07 15:00:38,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2019-10-07 15:00:38,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1110 transitions. [2019-10-07 15:00:38,519 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1110 transitions. Word has length 150 [2019-10-07 15:00:38,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:00:38,520 INFO L462 AbstractCegarLoop]: Abstraction has 913 states and 1110 transitions. [2019-10-07 15:00:38,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-07 15:00:38,520 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1110 transitions. [2019-10-07 15:00:38,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-07 15:00:38,524 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:00:38,524 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:00:38,524 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:00:38,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:00:38,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1325372908, now seen corresponding path program 1 times [2019-10-07 15:00:38,525 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:00:38,525 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:38,525 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:38,526 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:00:38,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:00:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:39,294 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 15:00:39,294 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:00:39,295 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:00:39,295 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 15:00:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:00:39,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 2772 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:00:39,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:00:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:00:39,956 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:00:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:00:40,199 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:00:40,241 INFO L162 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-10-07 15:00:40,241 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:00:40,247 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:00:40,255 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:00:40,255 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:01:46,899 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 700 [2019-10-07 15:01:51,514 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 341 DAG size of output: 277 [2019-10-07 15:01:51,863 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 15:01:52,200 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 15:01:52,552 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 748 [2019-10-07 15:01:52,722 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:01:53,439 WARN L191 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 15:01:54,151 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 15:01:54,793 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 15:01:55,000 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:01:55,629 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 15:01:56,927 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1051 DAG size of output: 1049 [2019-10-07 15:01:57,545 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 15:01:57,690 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:01:58,325 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 15:01:58,957 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 15:01:59,615 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 15:01:59,735 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:02:00,366 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1049 [2019-10-07 15:02:00,395 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 15:02:00,685 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 15:02:00,791 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 15:02:00,931 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 15:02:01,384 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 966 [2019-10-07 15:02:01,386 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1104 for LOIs [2019-10-07 15:02:02,023 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:02,637 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:02,876 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:03,844 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:04,497 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:05,121 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:05,412 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:06,399 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:07,065 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:07,701 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:07,945 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:08,914 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:09,874 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 1104 [2019-10-07 15:02:10,494 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:11,123 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 637 DAG size of output: 635 [2019-10-07 15:02:12,109 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:12,741 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:13,361 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:13,603 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:14,598 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:15,211 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:15,837 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:16,079 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:17,064 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:17,683 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:18,309 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:18,561 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:19,546 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:20,175 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:20,806 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:21,044 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:22,035 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:22,648 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:23,264 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:23,506 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:24,487 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:25,105 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:25,730 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:25,971 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:26,956 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:27,573 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:28,190 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:28,450 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:29,422 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:30,037 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:30,656 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:30,904 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:31,889 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:32,506 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:33,125 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1104 [2019-10-07 15:02:33,366 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:34,349 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:35,771 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:36,755 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:37,004 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:37,988 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:39,809 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1291 DAG size of output: 1289 [2019-10-07 15:02:40,793 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:41,065 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:42,043 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:43,030 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:44,017 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:44,260 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:02:45,246 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:02:46,490 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:02:47,480 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:02:47,729 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:02:48,718 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:02:49,883 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:02:50,879 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:02:51,132 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:02:52,133 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:02:53,127 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:02:54,120 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:02:54,363 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:02:55,362 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:02:56,375 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:57,372 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:57,675 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:02:58,672 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:02:59,674 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:03:00,671 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:03:00,926 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:03:01,929 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:03:04,080 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1291 DAG size of output: 1289 [2019-10-07 15:03:05,057 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:05,321 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:03:06,296 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:08,094 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1291 DAG size of output: 1289 [2019-10-07 15:03:09,064 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:09,464 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:03:10,438 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:11,419 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:12,405 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:12,643 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:03:13,644 WARN L191 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:15,463 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1291 DAG size of output: 1289 [2019-10-07 15:03:16,445 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:16,695 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:03:17,669 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:19,453 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1291 DAG size of output: 1289 [2019-10-07 15:03:20,430 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:20,680 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:03:21,652 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:22,648 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:23,623 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:23,864 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2019-10-07 15:03:24,841 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1289 [2019-10-07 15:03:25,857 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:03:26,841 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:03:27,095 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:03:28,085 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:03:29,880 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1295 DAG size of output: 1291 [2019-10-07 15:03:30,853 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 1291 [2019-10-07 15:03:31,098 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:03:32,075 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:03:33,874 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1295 DAG size of output: 1291 [2019-10-07 15:03:34,847 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1291 [2019-10-07 15:03:35,088 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:03:36,074 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1293 [2019-10-07 15:03:37,068 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:03:38,060 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:03:38,331 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:03:39,311 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 1298 [2019-10-07 15:03:40,276 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:03:41,261 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:03:41,505 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 15:03:42,490 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1300 [2019-10-07 15:03:42,757 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:03:42,757 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 15:03:42,763 INFO L168 Benchmark]: Toolchain (without parser) took 199798.08 ms. Allocated memory was 143.7 MB in the beginning and 896.5 MB in the end (delta: 752.9 MB). Free memory was 100.4 MB in the beginning and 513.5 MB in the end (delta: -413.1 MB). Peak memory consumption was 339.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:42,763 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 15:03:42,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1060.39 ms. Allocated memory was 143.7 MB in the beginning and 202.9 MB in the end (delta: 59.2 MB). Free memory was 100.4 MB in the beginning and 133.7 MB in the end (delta: -33.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:42,765 INFO L168 Benchmark]: Boogie Preprocessor took 165.20 ms. Allocated memory is still 202.9 MB. Free memory was 133.7 MB in the beginning and 125.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:42,766 INFO L168 Benchmark]: RCFGBuilder took 4257.07 ms. Allocated memory was 202.9 MB in the beginning and 304.1 MB in the end (delta: 101.2 MB). Free memory was 125.3 MB in the beginning and 98.3 MB in the end (delta: 27.0 MB). Peak memory consumption was 128.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:42,766 INFO L168 Benchmark]: TraceAbstraction took 194311.35 ms. Allocated memory was 304.1 MB in the beginning and 896.5 MB in the end (delta: 592.4 MB). Free memory was 98.3 MB in the beginning and 513.5 MB in the end (delta: -415.1 MB). Peak memory consumption was 177.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:03:42,769 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 143.7 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1060.39 ms. Allocated memory was 143.7 MB in the beginning and 202.9 MB in the end (delta: 59.2 MB). Free memory was 100.4 MB in the beginning and 133.7 MB in the end (delta: -33.3 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 165.20 ms. Allocated memory is still 202.9 MB. Free memory was 133.7 MB in the beginning and 125.3 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4257.07 ms. Allocated memory was 202.9 MB in the beginning and 304.1 MB in the end (delta: 101.2 MB). Free memory was 125.3 MB in the beginning and 98.3 MB in the end (delta: 27.0 MB). Peak memory consumption was 128.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 194311.35 ms. Allocated memory was 304.1 MB in the beginning and 896.5 MB in the end (delta: 592.4 MB). Free memory was 98.3 MB in the beginning and 513.5 MB in the end (delta: -415.1 MB). Peak memory consumption was 177.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...