java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec6_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:02:59,462 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:02:59,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:02:59,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:02:59,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:02:59,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:02:59,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:02:59,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:02:59,483 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:02:59,484 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:02:59,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:02:59,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:02:59,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:02:59,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:02:59,489 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:02:59,490 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:02:59,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:02:59,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:02:59,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:02:59,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:02:59,496 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:02:59,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:02:59,498 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:02:59,499 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:02:59,501 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:02:59,502 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:02:59,502 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:02:59,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:02:59,503 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:02:59,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:02:59,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:02:59,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:02:59,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:02:59,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:02:59,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:02:59,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:02:59,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:02:59,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:02:59,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:02:59,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:02:59,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:02:59,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:02:59,526 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:02:59,526 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:02:59,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:02:59,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:02:59,528 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:02:59,528 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:02:59,528 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:02:59,528 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:02:59,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:02:59,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:02:59,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:02:59,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:02:59,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:02:59,529 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:02:59,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:02:59,530 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:02:59,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:02:59,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:02:59,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:02:59,530 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:02:59,531 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:02:59,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:02:59,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:02:59,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:02:59,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:02:59,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:02:59,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:02:59,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:02:59,532 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:02:59,854 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:02:59,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:02:59,873 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:02:59,875 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:02:59,875 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:02:59,876 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product33.cil.c [2019-10-07 15:02:59,952 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4a72d58/7c358ac3d0514a85882a328403286619/FLAG14bedafcb [2019-10-07 15:03:00,657 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:03:00,659 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product33.cil.c [2019-10-07 15:03:00,694 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4a72d58/7c358ac3d0514a85882a328403286619/FLAG14bedafcb [2019-10-07 15:03:00,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d4a72d58/7c358ac3d0514a85882a328403286619 [2019-10-07 15:03:00,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:03:00,970 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:03:00,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:03:00,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:03:00,974 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:03:00,975 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:03:00" (1/1) ... [2019-10-07 15:03:00,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9515a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:00, skipping insertion in model container [2019-10-07 15:03:00,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:03:00" (1/1) ... [2019-10-07 15:03:00,986 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:03:01,067 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:03:01,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:03:01,803 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:03:01,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:03:02,012 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:03:02,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02 WrapperNode [2019-10-07 15:03:02,013 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:03:02,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:03:02,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:03:02,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:03:02,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02" (1/1) ... [2019-10-07 15:03:02,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02" (1/1) ... [2019-10-07 15:03:02,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02" (1/1) ... [2019-10-07 15:03:02,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02" (1/1) ... [2019-10-07 15:03:02,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02" (1/1) ... [2019-10-07 15:03:02,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02" (1/1) ... [2019-10-07 15:03:02,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02" (1/1) ... [2019-10-07 15:03:02,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:03:02,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:03:02,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:03:02,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:03:02,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:03:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:03:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:03:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:03:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:03:02,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:03:02,341 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:03:02,341 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:03:02,341 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:03:02,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:03:02,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:03:02,342 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:03:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:03:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:03:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:03:02,343 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:03:02,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:03:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:03:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:03:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:03:02,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:03:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:03:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:03:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:03:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:03:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:03:02,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:03:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:03:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:03:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:03:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:03:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:03:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:03:02,349 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:03:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:03:02,350 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 15:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:03:02,351 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:03:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:03:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:03:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:03:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:03:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:03:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:03:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:03:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:03:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:03:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:03:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:03:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:03:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:03:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:03:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:03:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:03:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:03:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:03:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:03:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:03:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:03:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:03:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:03:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:03:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:03:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:03:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:03:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:03:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:03:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:03:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:03:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:03:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:03:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:03:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:03:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:03:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:03:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:03:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:03:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:03:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:03:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:03:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:03:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:03:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:03:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:03:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:03:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:03:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:03:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:03:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:03:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:03:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:03:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:03:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:03:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:03:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:03:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:03:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:03:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 15:03:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 15:03:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:03:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:03:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:03:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:03:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:03:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:03:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:03:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:03:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:03:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:03:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:03:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:03:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:03:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:03:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:03:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:03:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:03:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:03:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:03:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:03:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:03:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:03:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:03:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:03:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:03:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:03:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:03:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:03:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:03:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:03:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:03:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:03:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:03:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:03:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:03:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:03:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:03:02,392 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:03:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:03:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:03:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:03:02,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:03:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:03:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:03:02,394 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:03:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:03:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:03:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:03:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:03:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:03:02,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:03:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:03:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:03:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:03:02,396 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:03:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:03:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:03:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:03:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:03:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:03:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:03:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:03:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:03:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:03:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:03:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:03:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:03:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:03:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:03:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:03:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:03:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:03:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:03:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:03:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:03:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:03:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 15:03:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:03:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:03:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:03:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:03:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:03:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:03:02,402 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:03:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:03:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:03:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:03:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:03:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:03:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:03:02,403 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:03:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:03:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:03:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:03:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:03:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:03:02,404 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:03:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:03:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:03:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:03:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:03:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:03:02,405 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:03:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:03:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:03:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:03:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:03:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:03:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:03:02,406 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:03:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:03:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:03:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:03:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:03:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:03:02,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:03:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:03:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:03:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:03:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:03:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:03:02,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:03:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:03:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:03:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:03:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:03:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:03:02,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:03:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:03:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:03:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:03:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:03:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:03:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 15:03:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 15:03:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:03:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:03:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:03:02,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:03:07,281 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:03:07,282 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:03:07,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:03:07 BoogieIcfgContainer [2019-10-07 15:03:07,284 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:03:07,285 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:03:07,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:03:07,289 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:03:07,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:03:00" (1/3) ... [2019-10-07 15:03:07,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11989ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:03:07, skipping insertion in model container [2019-10-07 15:03:07,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:02" (2/3) ... [2019-10-07 15:03:07,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11989ad7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:03:07, skipping insertion in model container [2019-10-07 15:03:07,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:03:07" (3/3) ... [2019-10-07 15:03:07,294 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product33.cil.c [2019-10-07 15:03:07,306 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:03:07,316 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:03:07,329 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:03:07,361 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:03:07,361 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:03:07,362 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:03:07,362 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:03:07,362 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:03:07,362 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:03:07,362 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:03:07,362 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:03:07,394 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states. [2019-10-07 15:03:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 15:03:07,413 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:07,414 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:03:07,416 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:07,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:07,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1623291085, now seen corresponding path program 1 times [2019-10-07 15:03:07,433 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:07,433 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:07,434 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:07,434 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:07,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:03:08,197 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:08,198 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:08,198 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:03:08,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:03:08,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:03:08,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:03:08,220 INFO L87 Difference]: Start difference. First operand 441 states. Second operand 2 states. [2019-10-07 15:03:08,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:08,292 INFO L93 Difference]: Finished difference Result 683 states and 812 transitions. [2019-10-07 15:03:08,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:03:08,294 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 147 [2019-10-07 15:03:08,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:08,315 INFO L225 Difference]: With dead ends: 683 [2019-10-07 15:03:08,315 INFO L226 Difference]: Without dead ends: 420 [2019-10-07 15:03:08,322 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:03:08,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2019-10-07 15:03:08,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420. [2019-10-07 15:03:08,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2019-10-07 15:03:08,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 497 transitions. [2019-10-07 15:03:08,414 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 497 transitions. Word has length 147 [2019-10-07 15:03:08,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:08,416 INFO L462 AbstractCegarLoop]: Abstraction has 420 states and 497 transitions. [2019-10-07 15:03:08,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:03:08,416 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 497 transitions. [2019-10-07 15:03:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 15:03:08,422 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:08,422 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:03:08,422 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:08,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:08,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1724537320, now seen corresponding path program 1 times [2019-10-07 15:03:08,423 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:08,423 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:08,423 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:08,424 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:08,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:08,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:08,778 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:03:08,778 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:08,778 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:08,779 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:03:08,787 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:03:08,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:03:08,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:03:08,788 INFO L87 Difference]: Start difference. First operand 420 states and 497 transitions. Second operand 3 states. [2019-10-07 15:03:08,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:08,866 INFO L93 Difference]: Finished difference Result 668 states and 782 transitions. [2019-10-07 15:03:08,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:03:08,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-07 15:03:08,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:08,875 INFO L225 Difference]: With dead ends: 668 [2019-10-07 15:03:08,876 INFO L226 Difference]: Without dead ends: 422 [2019-10-07 15:03:08,881 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:03:08,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2019-10-07 15:03:08,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2019-10-07 15:03:08,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-07 15:03:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 499 transitions. [2019-10-07 15:03:08,931 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 499 transitions. Word has length 148 [2019-10-07 15:03:08,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:08,932 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 499 transitions. [2019-10-07 15:03:08,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:03:08,932 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 499 transitions. [2019-10-07 15:03:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 15:03:08,935 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:08,936 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] [2019-10-07 15:03:08,936 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:08,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:08,936 INFO L82 PathProgramCache]: Analyzing trace with hash -1518031075, now seen corresponding path program 1 times [2019-10-07 15:03:08,937 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:08,937 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:08,937 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:08,937 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:08,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:09,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:03:09,211 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:09,211 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:09,211 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:03:09,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:03:09,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:03:09,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:03:09,213 INFO L87 Difference]: Start difference. First operand 422 states and 499 transitions. Second operand 3 states. [2019-10-07 15:03:09,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:09,253 INFO L93 Difference]: Finished difference Result 828 states and 1008 transitions. [2019-10-07 15:03:09,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:03:09,253 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-07 15:03:09,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:09,262 INFO L225 Difference]: With dead ends: 828 [2019-10-07 15:03:09,262 INFO L226 Difference]: Without dead ends: 464 [2019-10-07 15:03:09,264 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:03:09,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-07 15:03:09,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 463. [2019-10-07 15:03:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-10-07 15:03:09,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 570 transitions. [2019-10-07 15:03:09,304 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 570 transitions. Word has length 160 [2019-10-07 15:03:09,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:09,305 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 570 transitions. [2019-10-07 15:03:09,305 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:03:09,305 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 570 transitions. [2019-10-07 15:03:09,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-07 15:03:09,308 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:09,309 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] [2019-10-07 15:03:09,309 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:09,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:09,309 INFO L82 PathProgramCache]: Analyzing trace with hash 889907307, now seen corresponding path program 1 times [2019-10-07 15:03:09,310 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:09,310 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:09,310 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:09,310 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:09,965 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 15:03:09,966 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:09,966 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:09,966 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-10-07 15:03:09,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-07 15:03:09,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-07 15:03:09,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2019-10-07 15:03:09,968 INFO L87 Difference]: Start difference. First operand 463 states and 570 transitions. Second operand 24 states. [2019-10-07 15:03:19,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:19,532 INFO L93 Difference]: Finished difference Result 1336 states and 1598 transitions. [2019-10-07 15:03:19,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2019-10-07 15:03:19,532 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 161 [2019-10-07 15:03:19,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:19,539 INFO L225 Difference]: With dead ends: 1336 [2019-10-07 15:03:19,540 INFO L226 Difference]: Without dead ends: 945 [2019-10-07 15:03:19,542 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 484 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=255, Invalid=2295, Unknown=0, NotChecked=0, Total=2550 [2019-10-07 15:03:19,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2019-10-07 15:03:19,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 936. [2019-10-07 15:03:19,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 936 states. [2019-10-07 15:03:19,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1112 transitions. [2019-10-07 15:03:19,605 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1112 transitions. Word has length 161 [2019-10-07 15:03:19,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:19,606 INFO L462 AbstractCegarLoop]: Abstraction has 936 states and 1112 transitions. [2019-10-07 15:03:19,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-07 15:03:19,607 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1112 transitions. [2019-10-07 15:03:19,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-07 15:03:19,611 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:19,611 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] [2019-10-07 15:03:19,611 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:19,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:19,612 INFO L82 PathProgramCache]: Analyzing trace with hash -19579684, now seen corresponding path program 1 times [2019-10-07 15:03:19,612 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:19,612 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:19,612 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:19,612 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:19,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:19,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:20,226 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:03:20,227 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:20,227 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:03:20,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:03:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:20,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 2871 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:03:20,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:03:21,079 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 15:03:21,080 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:03:21,354 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 15:03:21,354 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:03:21,396 INFO L162 IcfgInterpreter]: Started Sifa with 152 locations of interest [2019-10-07 15:03:21,397 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:03:21,410 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:03:21,421 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:03:21,422 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:04:51,428 WARN L191 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 722 [2019-10-07 15:04:57,001 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 363 DAG size of output: 295 [2019-10-07 15:04:57,408 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 772 [2019-10-07 15:04:57,684 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 772 [2019-10-07 15:04:57,953 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 772 [2019-10-07 15:04:58,107 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 15:04:58,833 WARN L191 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-07 15:04:59,602 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-07 15:05:00,357 WARN L191 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-07 15:05:00,585 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 15:05:01,253 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-07 15:05:02,604 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1079 DAG size of output: 1077 [2019-10-07 15:05:03,284 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-07 15:05:03,454 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 15:05:04,131 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-07 15:05:04,856 WARN L191 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-07 15:05:05,523 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-07 15:05:05,711 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 15:05:06,398 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1077 [2019-10-07 15:05:06,430 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 580 for LOIs [2019-10-07 15:05:06,743 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 685 [2019-10-07 15:05:06,856 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 685 [2019-10-07 15:05:06,984 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 15:05:07,529 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 990 [2019-10-07 15:05:07,531 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1122 for LOIs [2019-10-07 15:05:08,194 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:08,884 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:09,121 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:10,117 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:10,787 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:11,437 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:11,675 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:12,615 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:13,433 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:14,114 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:14,503 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:15,489 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:16,558 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1122 [2019-10-07 15:05:17,272 WARN L191 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:17,516 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:18,463 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:19,159 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:19,850 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:20,075 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:21,050 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:21,728 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:22,430 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:22,663 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:23,625 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:24,318 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:25,020 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:25,247 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:26,218 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:26,891 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:27,578 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:27,842 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:28,808 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:29,495 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:30,192 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:30,415 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:31,378 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:32,051 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:32,737 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:32,960 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:33,929 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:34,596 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:35,282 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:35,510 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:36,473 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:37,152 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:37,837 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:38,067 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:39,017 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:39,691 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:40,389 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1122 [2019-10-07 15:05:40,616 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:41,592 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:42,621 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:43,611 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:43,850 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:44,817 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:46,621 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1269 [2019-10-07 15:05:47,583 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:47,833 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:48,801 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:49,773 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:50,773 WARN L191 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:51,000 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:05:51,968 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:05:53,000 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 15:05:53,975 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 15:05:54,212 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:05:55,180 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:05:56,999 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1275 DAG size of output: 1273 [2019-10-07 15:05:57,986 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:05:58,227 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:05:59,199 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:00,904 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1275 DAG size of output: 1271 [2019-10-07 15:06:01,898 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 15:06:02,129 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:06:03,109 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:04,083 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 15:06:05,050 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 15:06:05,285 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:06:06,264 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:07,260 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:08,235 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:08,475 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:06:09,457 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 15:06:11,502 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1269 [2019-10-07 15:06:12,465 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:12,707 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:06:13,695 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:15,519 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1269 [2019-10-07 15:06:16,498 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:16,897 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:06:17,892 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:18,870 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:19,855 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:20,088 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:06:21,054 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:23,121 WARN L191 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1269 [2019-10-07 15:06:24,079 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:24,314 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:06:25,296 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:27,091 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1271 DAG size of output: 1269 [2019-10-07 15:06:28,067 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:28,300 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:06:29,252 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:30,213 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:31,203 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:31,440 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 15:06:32,401 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1269 [2019-10-07 15:06:33,818 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:34,796 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:35,039 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:06:36,041 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:37,052 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:38,014 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:38,251 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:06:39,225 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:40,203 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:41,191 WARN L191 SmtUtils]: Spent 984.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:41,430 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:06:42,405 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:44,084 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1275 DAG size of output: 1271 [2019-10-07 15:06:45,091 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1271 [2019-10-07 15:06:45,353 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:06:46,338 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:48,129 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1277 DAG size of output: 1273 [2019-10-07 15:06:49,121 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1273 [2019-10-07 15:06:49,360 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 15:06:50,342 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1275 [2019-10-07 15:06:50,601 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:06:50,602 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:06:50,610 INFO L168 Benchmark]: Toolchain (without parser) took 229639.79 ms. Allocated memory was 144.2 MB in the beginning and 769.7 MB in the end (delta: 625.5 MB). Free memory was 99.3 MB in the beginning and 267.8 MB in the end (delta: -168.4 MB). Peak memory consumption was 457.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:50,611 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:06:50,611 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1041.95 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 99.1 MB in the beginning and 127.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:50,612 INFO L168 Benchmark]: Boogie Preprocessor took 243.47 ms. Allocated memory is still 201.3 MB. Free memory was 127.5 MB in the beginning and 118.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:50,612 INFO L168 Benchmark]: RCFGBuilder took 5026.92 ms. Allocated memory was 201.3 MB in the beginning and 312.0 MB in the end (delta: 110.6 MB). Free memory was 118.0 MB in the beginning and 101.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:50,618 INFO L168 Benchmark]: TraceAbstraction took 223322.90 ms. Allocated memory was 312.0 MB in the beginning and 769.7 MB in the end (delta: 457.7 MB). Free memory was 101.8 MB in the beginning and 267.8 MB in the end (delta: -165.9 MB). Peak memory consumption was 291.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:06:50,624 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1041.95 ms. Allocated memory was 144.2 MB in the beginning and 201.3 MB in the end (delta: 57.1 MB). Free memory was 99.1 MB in the beginning and 127.5 MB in the end (delta: -28.3 MB). Peak memory consumption was 36.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 243.47 ms. Allocated memory is still 201.3 MB. Free memory was 127.5 MB in the beginning and 118.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5026.92 ms. Allocated memory was 201.3 MB in the beginning and 312.0 MB in the end (delta: 110.6 MB). Free memory was 118.0 MB in the beginning and 101.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 126.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 223322.90 ms. Allocated memory was 312.0 MB in the beginning and 769.7 MB in the end (delta: 457.7 MB). Free memory was 101.8 MB in the beginning and 267.8 MB in the end (delta: -165.9 MB). Peak memory consumption was 291.8 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...