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_spec27_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:49:23,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:49:23,300 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:49:23,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:49:23,321 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:49:23,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:49:23,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:49:23,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:49:23,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:49:23,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:49:23,344 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:49:23,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:49:23,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:49:23,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:49:23,350 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:49:23,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:49:23,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:49:23,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:49:23,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:49:23,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:49:23,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:49:23,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:49:23,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:49:23,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:49:23,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:49:23,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:49:23,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:49:23,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:49:23,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:49:23,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:49:23,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:49:23,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:49:23,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:49:23,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:49:23,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:49:23,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:49:23,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:49:23,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:49:23,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:49:23,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:49:23,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:49:23,385 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:49:23,419 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:49:23,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:49:23,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:49:23,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:49:23,425 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:49:23,425 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:49:23,425 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:49:23,425 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:49:23,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:49:23,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:49:23,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:49:23,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:49:23,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:49:23,426 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:49:23,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:49:23,427 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:49:23,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:49:23,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:49:23,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:49:23,427 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:49:23,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:49:23,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:49:23,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:49:23,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:49:23,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:49:23,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:49:23,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:49:23,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:49:23,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:49:23,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:49:23,730 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:49:23,733 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:49:23,735 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:49:23,735 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:49:23,736 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product27.cil.c [2019-10-07 14:49:23,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82336d27/7989a94214b74ece8bb0f0e6d7511d0d/FLAG2b1a9045b [2019-10-07 14:49:24,462 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:49:24,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product27.cil.c [2019-10-07 14:49:24,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82336d27/7989a94214b74ece8bb0f0e6d7511d0d/FLAG2b1a9045b [2019-10-07 14:49:24,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d82336d27/7989a94214b74ece8bb0f0e6d7511d0d [2019-10-07 14:49:24,631 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:49:24,633 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:49:24,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:49:24,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:49:24,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:49:24,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:49:24" (1/1) ... [2019-10-07 14:49:24,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ba3917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:24, skipping insertion in model container [2019-10-07 14:49:24,645 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:49:24" (1/1) ... [2019-10-07 14:49:24,654 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:49:24,773 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:49:25,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:49:25,562 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:49:25,737 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:49:25,889 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:49:25,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25 WrapperNode [2019-10-07 14:49:25,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:49:25,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:49:25,892 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:49:25,892 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:49:25,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25" (1/1) ... [2019-10-07 14:49:25,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25" (1/1) ... [2019-10-07 14:49:25,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25" (1/1) ... [2019-10-07 14:49:25,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25" (1/1) ... [2019-10-07 14:49:26,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25" (1/1) ... [2019-10-07 14:49:26,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25" (1/1) ... [2019-10-07 14:49:26,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25" (1/1) ... [2019-10-07 14:49:26,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:49:26,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:49:26,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:49:26,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:49:26,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:49:26,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:49:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:49:26,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:49:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:49:26,260 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:49:26,261 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:49:26,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:49:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:49:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:49:26,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:49:26,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:49:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:49:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:49:26,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:49:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:49:26,266 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:49:26,269 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:49:26,270 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:49:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:49:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:49:26,271 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:49:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:49:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:49:26,272 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:49:26,273 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:49:26,274 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:49:26,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:49:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:49:26,276 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:49:26,277 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:49:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:49:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:49:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:49:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:49:26,278 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:49:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:49:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:49:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:49:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:49:26,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:49:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:49:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:49:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:49:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:49:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:49:26,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:49:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:49:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:49:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:49:26,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:49:26,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:49:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:49:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:49:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:49:26,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:49:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:49:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:49:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:49:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:49:26,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:49:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:49:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:49:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:49:26,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:49:26,286 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:49:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:49:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:49:26,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:49:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:49:26,288 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:49:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:49:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:49:26,289 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:49:26,290 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:49:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:49:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:49:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:49:26,291 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:49:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:49:26,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:49:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:49:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:49:26,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:49:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:49:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:49:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-07 14:49:26,294 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:49:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:49:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:49:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:49:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:49:26,295 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:49:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-07 14:49:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:49:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:49:26,296 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:49:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:49:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:49:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:49:26,297 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:49:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:49:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:49:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:49:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:49:26,298 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:49:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:49:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:49:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:49:26,299 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:49:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:49:26,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:49:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:49:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:49:26,301 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:49:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:49:26,302 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:49:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:49:26,303 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:49:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:49:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:49:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:49:26,304 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:49:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:49:26,305 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:49:26,306 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:49:26,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:49:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:49:26,311 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:49:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:49:26,312 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:49:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:49:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:49:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:49:26,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:49:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:49:26,314 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:49:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:49:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:49:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:49:26,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:49:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:49:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:49:26,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:49:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:49:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:49:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:49:26,322 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:49:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:49:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:49:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:49:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:49:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:49:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:49:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:49:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:49:26,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:49:26,324 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:49:26,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:49:26,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:49:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:49:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:49:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:49:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:49:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:49:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:49:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:49:26,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:49:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:49:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:49:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:49:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:49:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:49:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:49:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:49:26,328 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:49:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:49:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:49:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:49:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:49:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:49:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:49:26,329 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:49:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:49:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:49:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:49:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:49:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:49:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:49:26,330 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:49:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:49:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:49:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:49:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:49:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:49:26,331 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:49:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:49:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:49:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:49:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:49:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-07 14:49:26,332 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:49:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:49:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:49:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:49:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:49:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:49:26,333 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:49:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:49:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:49:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:49:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:49:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:49:26,334 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:49:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:49:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-07 14:49:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:49:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:49:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:49:26,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:49:26,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:49:31,032 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:49:31,033 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:49:31,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:49:31 BoogieIcfgContainer [2019-10-07 14:49:31,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:49:31,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:49:31,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:49:31,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:49:31,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:49:24" (1/3) ... [2019-10-07 14:49:31,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7632b0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:49:31, skipping insertion in model container [2019-10-07 14:49:31,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:49:25" (2/3) ... [2019-10-07 14:49:31,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7632b0ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:49:31, skipping insertion in model container [2019-10-07 14:49:31,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:49:31" (3/3) ... [2019-10-07 14:49:31,043 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product27.cil.c [2019-10-07 14:49:31,054 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:49:31,063 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:49:31,074 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:49:31,104 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:49:31,105 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:49:31,105 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:49:31,105 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:49:31,105 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:49:31,105 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:49:31,105 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:49:31,106 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:49:31,135 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states. [2019-10-07 14:49:31,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 14:49:31,154 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:31,155 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:31,157 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:31,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:31,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1584816031, now seen corresponding path program 1 times [2019-10-07 14:49:31,173 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:31,173 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:31,174 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:31,174 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:31,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:49:31,942 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:31,942 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:31,942 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:49:31,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:49:31,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:49:31,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:49:31,964 INFO L87 Difference]: Start difference. First operand 430 states. Second operand 2 states. [2019-10-07 14:49:32,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:32,044 INFO L93 Difference]: Finished difference Result 635 states and 755 transitions. [2019-10-07 14:49:32,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:49:32,045 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-07 14:49:32,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:32,084 INFO L225 Difference]: With dead ends: 635 [2019-10-07 14:49:32,084 INFO L226 Difference]: Without dead ends: 403 [2019-10-07 14:49:32,096 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:49:32,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-07 14:49:32,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2019-10-07 14:49:32,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2019-10-07 14:49:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 473 transitions. [2019-10-07 14:49:32,183 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 473 transitions. Word has length 152 [2019-10-07 14:49:32,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:32,188 INFO L462 AbstractCegarLoop]: Abstraction has 403 states and 473 transitions. [2019-10-07 14:49:32,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:49:32,188 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 473 transitions. [2019-10-07 14:49:32,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 14:49:32,200 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:32,201 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:32,201 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:32,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:32,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1654117739, now seen corresponding path program 1 times [2019-10-07 14:49:32,202 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:32,202 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:32,202 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:32,202 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:32,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:32,469 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:49:32,469 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:32,470 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:32,470 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:49:32,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:49:32,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:49:32,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:49:32,473 INFO L87 Difference]: Start difference. First operand 403 states and 473 transitions. Second operand 3 states. [2019-10-07 14:49:32,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:32,515 INFO L93 Difference]: Finished difference Result 620 states and 719 transitions. [2019-10-07 14:49:32,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:49:32,515 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-07 14:49:32,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:32,519 INFO L225 Difference]: With dead ends: 620 [2019-10-07 14:49:32,520 INFO L226 Difference]: Without dead ends: 405 [2019-10-07 14:49:32,522 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:49:32,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2019-10-07 14:49:32,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2019-10-07 14:49:32,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2019-10-07 14:49:32,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 475 transitions. [2019-10-07 14:49:32,585 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 475 transitions. Word has length 153 [2019-10-07 14:49:32,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:32,587 INFO L462 AbstractCegarLoop]: Abstraction has 405 states and 475 transitions. [2019-10-07 14:49:32,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:49:32,589 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 475 transitions. [2019-10-07 14:49:32,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 14:49:32,595 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:32,595 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:32,596 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:32,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:32,596 INFO L82 PathProgramCache]: Analyzing trace with hash 251537091, now seen corresponding path program 1 times [2019-10-07 14:49:32,596 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:32,597 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:32,597 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:32,597 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:32,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:32,856 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:49:32,856 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:32,857 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:32,857 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:49:32,860 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:49:32,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:49:32,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:49:32,861 INFO L87 Difference]: Start difference. First operand 405 states and 475 transitions. Second operand 3 states. [2019-10-07 14:49:32,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:32,920 INFO L93 Difference]: Finished difference Result 796 states and 963 transitions. [2019-10-07 14:49:32,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:49:32,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-07 14:49:32,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:32,977 INFO L225 Difference]: With dead ends: 796 [2019-10-07 14:49:32,978 INFO L226 Difference]: Without dead ends: 449 [2019-10-07 14:49:32,979 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:49:32,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-07 14:49:33,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 448. [2019-10-07 14:49:33,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-10-07 14:49:33,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 549 transitions. [2019-10-07 14:49:33,017 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 549 transitions. Word has length 165 [2019-10-07 14:49:33,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:33,017 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 549 transitions. [2019-10-07 14:49:33,017 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:49:33,018 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 549 transitions. [2019-10-07 14:49:33,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 14:49:33,024 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:33,024 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:33,024 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:33,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:33,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1749715759, now seen corresponding path program 1 times [2019-10-07 14:49:33,026 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:33,026 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:33,027 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:33,027 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:33,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:33,326 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:49:33,326 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:33,326 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:33,329 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-07 14:49:33,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-07 14:49:33,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-07 14:49:33,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:49:33,331 INFO L87 Difference]: Start difference. First operand 448 states and 549 transitions. Second operand 8 states. [2019-10-07 14:49:33,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:33,402 INFO L93 Difference]: Finished difference Result 651 states and 785 transitions. [2019-10-07 14:49:33,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-07 14:49:33,403 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 166 [2019-10-07 14:49:33,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:33,408 INFO L225 Difference]: With dead ends: 651 [2019-10-07 14:49:33,408 INFO L226 Difference]: Without dead ends: 448 [2019-10-07 14:49:33,410 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-07 14:49:33,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2019-10-07 14:49:33,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2019-10-07 14:49:33,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 448 states. [2019-10-07 14:49:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 548 transitions. [2019-10-07 14:49:33,433 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 548 transitions. Word has length 166 [2019-10-07 14:49:33,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:33,434 INFO L462 AbstractCegarLoop]: Abstraction has 448 states and 548 transitions. [2019-10-07 14:49:33,434 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-07 14:49:33,434 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 548 transitions. [2019-10-07 14:49:33,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-07 14:49:33,438 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:33,439 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:33,439 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:33,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:33,440 INFO L82 PathProgramCache]: Analyzing trace with hash -578621378, now seen corresponding path program 1 times [2019-10-07 14:49:33,440 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:33,440 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:33,440 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:33,441 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:33,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:34,416 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:49:34,416 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:34,416 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:34,417 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2019-10-07 14:49:34,417 INFO L442 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-07 14:49:34,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-07 14:49:34,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=849, Unknown=0, NotChecked=0, Total=930 [2019-10-07 14:49:34,419 INFO L87 Difference]: Start difference. First operand 448 states and 548 transitions. Second operand 31 states. [2019-10-07 14:49:48,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:48,756 INFO L93 Difference]: Finished difference Result 947 states and 1152 transitions. [2019-10-07 14:49:48,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-07 14:49:48,757 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 171 [2019-10-07 14:49:48,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:48,766 INFO L225 Difference]: With dead ends: 947 [2019-10-07 14:49:48,766 INFO L226 Difference]: Without dead ends: 736 [2019-10-07 14:49:48,769 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 543 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=295, Invalid=3487, Unknown=0, NotChecked=0, Total=3782 [2019-10-07 14:49:48,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 736 states. [2019-10-07 14:49:48,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 736 to 727. [2019-10-07 14:49:48,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2019-10-07 14:49:48,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 887 transitions. [2019-10-07 14:49:48,809 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 887 transitions. Word has length 171 [2019-10-07 14:49:48,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:48,810 INFO L462 AbstractCegarLoop]: Abstraction has 727 states and 887 transitions. [2019-10-07 14:49:48,811 INFO L463 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-07 14:49:48,811 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 887 transitions. [2019-10-07 14:49:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-07 14:49:48,814 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:48,814 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:48,815 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:48,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:48,815 INFO L82 PathProgramCache]: Analyzing trace with hash 529093007, now seen corresponding path program 1 times [2019-10-07 14:49:48,815 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:48,815 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:48,816 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:48,816 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:48,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:49:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:49:49,287 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:49,287 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:49:49,287 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-07 14:49:49,288 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-07 14:49:49,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-07 14:49:49,289 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2019-10-07 14:49:49,289 INFO L87 Difference]: Start difference. First operand 727 states and 887 transitions. Second operand 23 states. [2019-10-07 14:49:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:49:59,249 INFO L93 Difference]: Finished difference Result 1627 states and 1945 transitions. [2019-10-07 14:49:59,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-07 14:49:59,250 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 192 [2019-10-07 14:49:59,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:49:59,260 INFO L225 Difference]: With dead ends: 1627 [2019-10-07 14:49:59,260 INFO L226 Difference]: Without dead ends: 1153 [2019-10-07 14:49:59,263 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=233, Invalid=2023, Unknown=0, NotChecked=0, Total=2256 [2019-10-07 14:49:59,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2019-10-07 14:49:59,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1138. [2019-10-07 14:49:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2019-10-07 14:49:59,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1366 transitions. [2019-10-07 14:49:59,334 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1366 transitions. Word has length 192 [2019-10-07 14:49:59,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:49:59,336 INFO L462 AbstractCegarLoop]: Abstraction has 1138 states and 1366 transitions. [2019-10-07 14:49:59,336 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-07 14:49:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1366 transitions. [2019-10-07 14:49:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-10-07 14:49:59,340 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:49:59,340 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:49:59,341 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:49:59,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:49:59,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1084575375, now seen corresponding path program 1 times [2019-10-07 14:49:59,343 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:49:59,343 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:49:59,343 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:59,343 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:49:59,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:49:59,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:50:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 14:50:00,539 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:50:00,539 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:50:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:50:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:50:01,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 2970 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:50:01,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:50:01,241 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:50:01,242 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:50:01,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:50:01,530 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:50:01,558 INFO L162 IcfgInterpreter]: Started Sifa with 183 locations of interest [2019-10-07 14:50:01,559 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:50:01,566 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:50:01,574 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:50:01,575 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:51:00,982 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 687 [2019-10-07 14:51:05,188 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 309 DAG size of output: 251 [2019-10-07 14:51:05,546 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 728 [2019-10-07 14:51:05,860 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 728 [2019-10-07 14:51:06,069 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 728 [2019-10-07 14:51:06,227 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:51:06,886 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1024 [2019-10-07 14:51:07,491 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1024 [2019-10-07 14:51:08,128 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1024 [2019-10-07 14:51:08,255 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:51:08,884 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1024 [2019-10-07 14:51:10,127 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1026 DAG size of output: 1024 [2019-10-07 14:51:10,734 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1024 [2019-10-07 14:51:10,867 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:51:11,447 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1024 [2019-10-07 14:51:12,068 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1024 [2019-10-07 14:51:12,650 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1024 [2019-10-07 14:51:12,873 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:51:13,463 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1024 [2019-10-07 14:51:13,488 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 559 for LOIs [2019-10-07 14:51:13,761 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:51:13,867 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:51:13,994 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:51:14,479 WARN L191 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 949 [2019-10-07 14:51:14,480 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1082 for LOIs [2019-10-07 14:51:15,053 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:15,666 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:15,915 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:16,911 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:17,488 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:18,061 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:18,325 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:19,262 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:19,927 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:20,495 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:20,835 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:21,798 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:22,710 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 1282 DAG size of output: 1082 [2019-10-07 14:51:23,303 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:23,746 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 639 [2019-10-07 14:51:24,703 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:25,285 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:25,853 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:26,098 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:27,064 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:27,630 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:28,202 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:28,443 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:29,387 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:29,982 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:30,547 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:30,785 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:31,729 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:32,291 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:32,856 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:33,094 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:34,047 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:34,611 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:35,179 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:35,417 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:36,356 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:36,918 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:37,482 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:37,719 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:38,662 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:39,227 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:39,792 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:40,035 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:40,976 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:41,543 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:42,110 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:42,349 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:43,292 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:43,856 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:44,418 WARN L191 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:51:44,655 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:45,609 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:46,787 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:47,734 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:47,989 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:48,944 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:50,742 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1282 DAG size of output: 1280 [2019-10-07 14:51:51,711 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:51,972 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:52,926 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:53,886 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:54,842 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:55,086 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:51:56,046 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:51:57,088 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:51:58,050 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:51:58,305 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:51:59,262 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:00,241 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:01,206 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:01,456 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:52:02,418 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:03,382 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:04,340 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:04,584 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:52:05,540 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:06,509 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:52:07,466 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:52:07,718 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:52:08,679 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:09,638 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:10,596 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:10,860 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:52:11,821 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:52:13,820 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1282 DAG size of output: 1280 [2019-10-07 14:52:14,773 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:15,036 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:52:15,999 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:17,768 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1282 DAG size of output: 1280 [2019-10-07 14:52:18,735 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:19,035 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:52:20,003 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:20,977 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:21,944 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:22,186 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:52:23,150 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:25,145 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1282 DAG size of output: 1280 [2019-10-07 14:52:26,114 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:26,361 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:52:27,314 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:29,549 WARN L191 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 1282 DAG size of output: 1280 [2019-10-07 14:52:30,504 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:30,762 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:52:31,721 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:32,674 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:33,630 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:33,869 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:52:34,826 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:52:35,814 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:36,791 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:37,039 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:52:37,998 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:38,977 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:39,939 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:40,201 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:52:41,169 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:42,132 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:43,105 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:43,352 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:52:44,692 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:46,364 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1282 [2019-10-07 14:52:47,325 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:52:47,580 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:52:48,547 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:50,305 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1288 DAG size of output: 1284 [2019-10-07 14:52:51,267 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:52:51,517 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:52:52,487 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 14:52:52,766 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:52:52,767 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:52:52,774 INFO L168 Benchmark]: Toolchain (without parser) took 208140.74 ms. Allocated memory was 136.3 MB in the beginning and 1.1 GB in the end (delta: 981.5 MB). Free memory was 99.2 MB in the beginning and 455.8 MB in the end (delta: -356.6 MB). Peak memory consumption was 624.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:52,775 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:52:52,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1254.94 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 98.9 MB in the beginning and 133.1 MB in the end (delta: -34.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:52,776 INFO L168 Benchmark]: Boogie Preprocessor took 250.67 ms. Allocated memory is still 201.3 MB. Free memory was 133.1 MB in the beginning and 124.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:52,777 INFO L168 Benchmark]: RCFGBuilder took 4892.11 ms. Allocated memory was 201.3 MB in the beginning and 311.4 MB in the end (delta: 110.1 MB). Free memory was 124.1 MB in the beginning and 117.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:52,778 INFO L168 Benchmark]: TraceAbstraction took 201735.99 ms. Allocated memory was 311.4 MB in the beginning and 1.1 GB in the end (delta: 806.4 MB). Free memory was 117.0 MB in the beginning and 455.8 MB in the end (delta: -338.8 MB). Peak memory consumption was 467.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:52:52,784 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 136.3 MB. Free memory was 119.5 MB in the beginning and 119.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1254.94 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 98.9 MB in the beginning and 133.1 MB in the end (delta: -34.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 250.67 ms. Allocated memory is still 201.3 MB. Free memory was 133.1 MB in the beginning and 124.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4892.11 ms. Allocated memory was 201.3 MB in the beginning and 311.4 MB in the end (delta: 110.1 MB). Free memory was 124.1 MB in the beginning and 117.0 MB in the end (delta: 7.1 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 201735.99 ms. Allocated memory was 311.4 MB in the beginning and 1.1 GB in the end (delta: 806.4 MB). Free memory was 117.0 MB in the beginning and 455.8 MB in the end (delta: -338.8 MB). Peak memory consumption was 467.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...