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_spec0_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:40:22,504 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:40:22,508 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:40:22,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:40:22,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:40:22,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:40:22,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:40:22,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:40:22,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:40:22,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:40:22,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:40:22,533 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:40:22,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:40:22,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:40:22,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:40:22,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:40:22,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:40:22,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:40:22,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:40:22,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:40:22,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:40:22,545 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:40:22,546 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:40:22,547 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:40:22,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:40:22,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:40:22,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:40:22,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:40:22,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:40:22,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:40:22,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:40:22,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:40:22,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:40:22,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:40:22,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:40:22,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:40:22,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:40:22,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:40:22,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:40:22,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:40:22,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:40:22,569 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:40:22,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:40:22,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:40:22,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:40:22,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:40:22,600 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:40:22,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:40:22,601 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:40:22,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:40:22,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:40:22,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:40:22,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:40:22,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:40:22,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:40:22,604 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:40:22,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:40:22,604 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:40:22,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:40:22,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:40:22,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:40:22,605 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:40:22,606 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:40:22,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:22,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:40:22,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:40:22,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:40:22,607 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:40:22,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:40:22,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:40:22,608 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:40:22,889 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:40:22,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:40:22,914 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:40:22,915 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:40:22,916 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:40:22,916 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product33.cil.c [2019-10-07 14:40:22,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18bf4bdb/118a456e21fe46f0a0c73ef7c415640a/FLAGbcfce9284 [2019-10-07 14:40:23,649 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:40:23,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product33.cil.c [2019-10-07 14:40:23,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18bf4bdb/118a456e21fe46f0a0c73ef7c415640a/FLAGbcfce9284 [2019-10-07 14:40:23,906 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18bf4bdb/118a456e21fe46f0a0c73ef7c415640a [2019-10-07 14:40:23,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:40:23,919 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:40:23,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:23,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:40:23,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:40:23,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:23" (1/1) ... [2019-10-07 14:40:23,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa7c5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:23, skipping insertion in model container [2019-10-07 14:40:23,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:23" (1/1) ... [2019-10-07 14:40:23,941 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:40:24,039 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:40:24,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:24,826 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:40:25,002 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:25,193 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:40:25,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25 WrapperNode [2019-10-07 14:40:25,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:25,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:40:25,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:40:25,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:40:25,212 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25" (1/1) ... [2019-10-07 14:40:25,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25" (1/1) ... [2019-10-07 14:40:25,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25" (1/1) ... [2019-10-07 14:40:25,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25" (1/1) ... [2019-10-07 14:40:25,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25" (1/1) ... [2019-10-07 14:40:25,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25" (1/1) ... [2019-10-07 14:40:25,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25" (1/1) ... [2019-10-07 14:40:25,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:40:25,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:40:25,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:40:25,407 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:40:25,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:40:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:40:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:40:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:40:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:40:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:40:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:40:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:40:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:40:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:40:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:40:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:40:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:40:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:40:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:40:25,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:40:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:40:25,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:40:25,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:40:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:40:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:40:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:40:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:40:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:40:25,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:40:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:40:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:40:25,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:40:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:40:25,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:40:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:40:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:40:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 14:40:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:40:25,486 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:40:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:40:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:40:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:40:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:40:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:40:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:40:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:40:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:40:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:40:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:25,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:40:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:40:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:40:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:40:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:40:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:40:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:40:25,489 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:40:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:40:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:40:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:40:25,490 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:40:25,491 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:40:25,491 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:40:25,491 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:40:25,491 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:40:25,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:40:25,492 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:40:25,492 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:40:25,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:40:25,492 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:40:25,492 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:40:25,493 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:40:25,493 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:40:25,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:40:25,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:40:25,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:40:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:40:25,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:40:25,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:40:25,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:40:25,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:40:25,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:40:25,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:40:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:40:25,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:40:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:40:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:40:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:40:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:40:25,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:40:25,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:40:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:40:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:40:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:40:25,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:40:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:40:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:40:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:40:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:40:25,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:40:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:40:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:40:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:40:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:40:25,502 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:40:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:40:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:40:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:40:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:40:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:40:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:40:25,503 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:40:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:40:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:40:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:40:25,504 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:40:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:40:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:40:25,505 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:40:25,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:40:25,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:40:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:40:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:40:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:40:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:40:25,508 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:40:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:40:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:40:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:40:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:40:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:40:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:40:25,514 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:40:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:40:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:40:25,515 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:40:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:40:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:40:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:40:25,516 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:40:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:40:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:40:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:40:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:40:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:40:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:40:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:40:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:40:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:40:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:40:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:40:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:40:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:40:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:40:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:40:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:40:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:40:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:40:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:40:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:40:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:40:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:40:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 14:40:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:40:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:40:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:40:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:40:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:40:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:40:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:40:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:40:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:40:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:40:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:40:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:40:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:40:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:40:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:40:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:40:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:40:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:40:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:40:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:40:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:40:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:40:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:40:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:40:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:40:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:40:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:40:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:40:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:40:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:40:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:40:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:40:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:40:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:40:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:40:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:40:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:40:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:40:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:40:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:40:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:40:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:40:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:40:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:40:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:40:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:40:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:40:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:40:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:40:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:40:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:40:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:40:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:40:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:40:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:40:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:40:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:40:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:40:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:40:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:40:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:40:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:40:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:40:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:40:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:40:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:40:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:40:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:40:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:40:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:40:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:40:25,543 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:40:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:40:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:40:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:40:25,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:40:25,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:40:30,227 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:40:30,228 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:40:30,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:30 BoogieIcfgContainer [2019-10-07 14:40:30,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:40:30,231 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:40:30,231 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:40:30,234 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:40:30,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:40:23" (1/3) ... [2019-10-07 14:40:30,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65373e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:30, skipping insertion in model container [2019-10-07 14:40:30,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:25" (2/3) ... [2019-10-07 14:40:30,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65373e47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:30, skipping insertion in model container [2019-10-07 14:40:30,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:30" (3/3) ... [2019-10-07 14:40:30,237 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product33.cil.c [2019-10-07 14:40:30,247 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:40:30,257 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:40:30,268 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:40:30,298 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:40:30,298 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:40:30,299 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:40:30,299 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:40:30,299 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:40:30,299 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:40:30,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:40:30,299 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:40:30,379 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states. [2019-10-07 14:40:30,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-10-07 14:40:30,402 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:30,404 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:40:30,405 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:30,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:30,413 INFO L82 PathProgramCache]: Analyzing trace with hash -1137047191, now seen corresponding path program 1 times [2019-10-07 14:40:30,422 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:30,423 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:30,423 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:30,423 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:30,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:31,041 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:31,042 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:31,043 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:31,043 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:40:31,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:40:31,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:40:31,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:40:31,071 INFO L87 Difference]: Start difference. First operand 431 states. Second operand 2 states. [2019-10-07 14:40:31,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:31,194 INFO L93 Difference]: Finished difference Result 663 states and 787 transitions. [2019-10-07 14:40:31,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:40:31,196 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 186 [2019-10-07 14:40:31,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:31,229 INFO L225 Difference]: With dead ends: 663 [2019-10-07 14:40:31,229 INFO L226 Difference]: Without dead ends: 410 [2019-10-07 14:40:31,239 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:40:31,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-10-07 14:40:31,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2019-10-07 14:40:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2019-10-07 14:40:31,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 483 transitions. [2019-10-07 14:40:31,335 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 483 transitions. Word has length 186 [2019-10-07 14:40:31,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:31,337 INFO L462 AbstractCegarLoop]: Abstraction has 410 states and 483 transitions. [2019-10-07 14:40:31,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:40:31,338 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 483 transitions. [2019-10-07 14:40:31,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-10-07 14:40:31,344 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:31,345 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:40:31,345 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:31,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:31,346 INFO L82 PathProgramCache]: Analyzing trace with hash -929461902, now seen corresponding path program 1 times [2019-10-07 14:40:31,346 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:31,346 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:31,346 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:31,347 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:31,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:31,759 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:31,759 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:31,760 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:31,760 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:31,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:31,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:31,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:31,763 INFO L87 Difference]: Start difference. First operand 410 states and 483 transitions. Second operand 3 states. [2019-10-07 14:40:31,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:31,827 INFO L93 Difference]: Finished difference Result 648 states and 754 transitions. [2019-10-07 14:40:31,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:31,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-10-07 14:40:31,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:31,834 INFO L225 Difference]: With dead ends: 648 [2019-10-07 14:40:31,834 INFO L226 Difference]: Without dead ends: 412 [2019-10-07 14:40:31,837 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:31,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-10-07 14:40:31,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2019-10-07 14:40:31,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-10-07 14:40:31,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 485 transitions. [2019-10-07 14:40:31,894 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 485 transitions. Word has length 187 [2019-10-07 14:40:31,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:31,895 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 485 transitions. [2019-10-07 14:40:31,895 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:31,895 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 485 transitions. [2019-10-07 14:40:31,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-10-07 14:40:31,902 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:31,903 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:40:31,903 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:31,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:31,904 INFO L82 PathProgramCache]: Analyzing trace with hash -30771144, now seen corresponding path program 1 times [2019-10-07 14:40:31,904 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:31,904 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:31,904 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:31,904 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:31,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:32,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:32,195 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:32,195 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:32,195 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:32,198 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:32,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:32,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:32,199 INFO L87 Difference]: Start difference. First operand 412 states and 485 transitions. Second operand 3 states. [2019-10-07 14:40:32,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:32,258 INFO L93 Difference]: Finished difference Result 808 states and 980 transitions. [2019-10-07 14:40:32,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:32,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-10-07 14:40:32,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:32,265 INFO L225 Difference]: With dead ends: 808 [2019-10-07 14:40:32,265 INFO L226 Difference]: Without dead ends: 454 [2019-10-07 14:40:32,267 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:32,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-07 14:40:32,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 453. [2019-10-07 14:40:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2019-10-07 14:40:32,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 556 transitions. [2019-10-07 14:40:32,307 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 556 transitions. Word has length 199 [2019-10-07 14:40:32,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:32,308 INFO L462 AbstractCegarLoop]: Abstraction has 453 states and 556 transitions. [2019-10-07 14:40:32,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 556 transitions. [2019-10-07 14:40:32,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-07 14:40:32,317 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:32,318 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:40:32,318 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:32,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:32,319 INFO L82 PathProgramCache]: Analyzing trace with hash 2127701846, now seen corresponding path program 1 times [2019-10-07 14:40:32,319 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:32,319 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:32,319 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:32,320 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:32,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:33,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:40:33,221 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:33,222 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:40:33,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:40:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:33,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 2954 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:40:33,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:40:34,078 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:34,078 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:40:34,393 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:34,393 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:40:34,427 INFO L162 IcfgInterpreter]: Started Sifa with 175 locations of interest [2019-10-07 14:40:34,427 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:40:34,435 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:40:34,443 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:40:34,444 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:41:31,696 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2019-10-07 14:41:36,036 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 324 DAG size of output: 263 [2019-10-07 14:41:36,508 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 731 [2019-10-07 14:41:36,959 WARN L191 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 731 [2019-10-07 14:41:37,360 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 731 [2019-10-07 14:41:37,646 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:41:39,233 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 1027 [2019-10-07 14:41:40,122 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1027 [2019-10-07 14:41:40,804 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1027 [2019-10-07 14:41:40,968 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:41:41,646 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1027 [2019-10-07 14:41:42,958 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1029 DAG size of output: 1027 [2019-10-07 14:41:43,613 WARN L191 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 1027 [2019-10-07 14:41:43,776 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:41:44,415 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1027 [2019-10-07 14:41:45,075 WARN L191 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 1027 [2019-10-07 14:41:45,700 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1027 [2019-10-07 14:41:45,827 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:41:46,458 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1027 [2019-10-07 14:41:46,492 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 559 for LOIs [2019-10-07 14:41:46,917 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 652 [2019-10-07 14:41:47,025 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 652 [2019-10-07 14:41:47,148 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:41:47,650 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 948 [2019-10-07 14:41:47,651 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1073 for LOIs [2019-10-07 14:41:48,260 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:48,874 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:49,096 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:41:50,009 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:41:50,633 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:51,263 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:51,486 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:41:52,395 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:41:53,096 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:53,719 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:53,936 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:41:54,829 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:41:55,844 WARN L191 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1073 [2019-10-07 14:41:56,468 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:57,046 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 588 [2019-10-07 14:41:57,918 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:41:58,544 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:59,155 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:41:59,381 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:00,299 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:00,946 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:01,561 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:01,772 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:02,665 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:03,287 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:03,908 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:04,124 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:05,028 WARN L191 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:05,647 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:06,261 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:06,477 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:07,379 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:08,011 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:08,632 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:08,846 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:09,744 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:10,360 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:10,969 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:11,202 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:12,100 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:12,711 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:13,330 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:13,538 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:14,428 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:15,048 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:15,656 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:15,867 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:16,753 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:17,369 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:17,984 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 14:42:18,192 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:19,080 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:20,038 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:20,932 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:21,152 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:22,047 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:23,714 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1215 [2019-10-07 14:42:24,598 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:24,835 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:25,722 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:26,605 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:27,502 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:27,711 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:28,595 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:29,600 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1217 [2019-10-07 14:42:30,484 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 1217 [2019-10-07 14:42:30,705 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:42:31,592 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:42:32,504 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:42:33,396 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:42:33,622 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:42:34,517 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:42:36,041 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1221 DAG size of output: 1217 [2019-10-07 14:42:36,932 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1217 [2019-10-07 14:42:37,182 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:42:38,083 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:42:39,168 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1224 [2019-10-07 14:42:40,065 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 1224 [2019-10-07 14:42:40,296 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:42:41,186 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1224 [2019-10-07 14:42:42,088 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 1226 [2019-10-07 14:42:42,989 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 1226 [2019-10-07 14:42:43,209 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:42:44,103 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 1226 [2019-10-07 14:42:45,901 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1215 [2019-10-07 14:42:46,790 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:47,017 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:47,914 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:49,908 WARN L191 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1215 [2019-10-07 14:42:50,797 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:51,021 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:51,902 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:52,793 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:53,680 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:53,892 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:54,784 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:56,421 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1215 [2019-10-07 14:42:57,305 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:42:57,523 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:42:58,415 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:43:00,032 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1215 [2019-10-07 14:43:00,923 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:43:01,163 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:43:02,059 WARN L191 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:43:02,957 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:43:03,848 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:43:04,058 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:43:04,930 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:43:05,837 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:43:06,725 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:43:06,947 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:43:07,828 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:43:09,457 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 1221 DAG size of output: 1219 [2019-10-07 14:43:10,338 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:43:10,555 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:43:11,435 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:43:13,042 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1221 DAG size of output: 1219 [2019-10-07 14:43:13,936 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:43:14,144 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:43:15,025 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:43:16,506 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1226 DAG size of output: 1217 [2019-10-07 14:43:17,373 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1217 [2019-10-07 14:43:17,599 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:43:18,499 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:43:20,094 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1228 DAG size of output: 1219 [2019-10-07 14:43:20,981 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1219 [2019-10-07 14:43:21,393 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:43:22,289 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1221 [2019-10-07 14:43:22,544 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:43:22,546 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:43:22,554 INFO L168 Benchmark]: Toolchain (without parser) took 178635.06 ms. Allocated memory was 137.9 MB in the beginning and 1.1 GB in the end (delta: 918.0 MB). Free memory was 99.8 MB in the beginning and 951.9 MB in the end (delta: -852.1 MB). Peak memory consumption was 66.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:22,554 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:43:22,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1275.31 ms. Allocated memory was 137.9 MB in the beginning and 205.5 MB in the end (delta: 67.6 MB). Free memory was 99.8 MB in the beginning and 131.7 MB in the end (delta: -31.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:22,556 INFO L168 Benchmark]: Boogie Preprocessor took 210.53 ms. Allocated memory is still 205.5 MB. Free memory was 131.7 MB in the beginning and 123.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:22,556 INFO L168 Benchmark]: RCFGBuilder took 4822.92 ms. Allocated memory was 205.5 MB in the beginning and 297.3 MB in the end (delta: 91.8 MB). Free memory was 123.3 MB in the beginning and 85.9 MB in the end (delta: 37.4 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:22,557 INFO L168 Benchmark]: TraceAbstraction took 172321.66 ms. Allocated memory was 297.3 MB in the beginning and 1.1 GB in the end (delta: 758.6 MB). Free memory was 85.9 MB in the beginning and 951.9 MB in the end (delta: -866.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:43:22,560 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 137.9 MB. Free memory is still 120.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1275.31 ms. Allocated memory was 137.9 MB in the beginning and 205.5 MB in the end (delta: 67.6 MB). Free memory was 99.8 MB in the beginning and 131.7 MB in the end (delta: -31.9 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 210.53 ms. Allocated memory is still 205.5 MB. Free memory was 131.7 MB in the beginning and 123.3 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4822.92 ms. Allocated memory was 205.5 MB in the beginning and 297.3 MB in the end (delta: 91.8 MB). Free memory was 123.3 MB in the beginning and 85.9 MB in the end (delta: 37.4 MB). Peak memory consumption was 129.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 172321.66 ms. Allocated memory was 297.3 MB in the beginning and 1.1 GB in the end (delta: 758.6 MB). Free memory was 85.9 MB in the beginning and 951.9 MB in the end (delta: -866.0 MB). There was no memory consumed. 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...