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_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:37:48,394 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:37:48,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:37:48,409 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:37:48,410 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:37:48,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:37:48,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:37:48,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:37:48,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:37:48,417 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:37:48,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:37:48,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:37:48,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:37:48,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:37:48,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:37:48,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:37:48,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:37:48,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:37:48,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:37:48,431 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:37:48,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:37:48,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:37:48,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:37:48,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:37:48,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:37:48,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:37:48,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:37:48,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:37:48,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:37:48,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:37:48,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:37:48,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:37:48,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:37:48,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:37:48,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:37:48,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:37:48,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:37:48,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:37:48,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:37:48,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:37:48,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:37:48,457 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 14:37:48,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:37:48,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:37:48,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:37:48,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:37:48,473 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:37:48,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:37:48,473 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:37:48,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:37:48,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:37:48,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:37:48,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:37:48,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:37:48,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:37:48,475 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:37:48,475 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:37:48,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:37:48,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:37:48,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:37:48,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:37:48,476 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:37:48,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:37:48,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:37:48,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:37:48,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:37:48,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:37:48,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:37:48,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:37:48,478 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:37:48,478 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 14:37:48,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:37:48,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:37:48,823 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:37:48,825 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:37:48,825 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:37:48,826 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product19.cil.c [2019-10-07 14:37:48,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55925506e/35a48653e897411781b094d6ed8dece3/FLAGeaaa059c1 [2019-10-07 14:37:49,522 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:37:49,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product19.cil.c [2019-10-07 14:37:49,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55925506e/35a48653e897411781b094d6ed8dece3/FLAGeaaa059c1 [2019-10-07 14:37:49,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55925506e/35a48653e897411781b094d6ed8dece3 [2019-10-07 14:37:49,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:37:49,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:37:49,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:37:49,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:37:49,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:37:49,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:37:49" (1/1) ... [2019-10-07 14:37:49,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@711d9572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:49, skipping insertion in model container [2019-10-07 14:37:49,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:37:49" (1/1) ... [2019-10-07 14:37:49,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:37:49,796 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:37:50,534 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:37:50,552 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:37:50,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:37:50,752 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:37:50,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50 WrapperNode [2019-10-07 14:37:50,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:37:50,754 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:37:50,754 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:37:50,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:37:50,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50" (1/1) ... [2019-10-07 14:37:50,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50" (1/1) ... [2019-10-07 14:37:50,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50" (1/1) ... [2019-10-07 14:37:50,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50" (1/1) ... [2019-10-07 14:37:50,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50" (1/1) ... [2019-10-07 14:37:50,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50" (1/1) ... [2019-10-07 14:37:50,941 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50" (1/1) ... [2019-10-07 14:37:50,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:37:50,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:37:50,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:37:50,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:37:50,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50" (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 14:37:51,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:37:51,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:37:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:37:51,046 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:37:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:37:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:37:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:37:51,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:37:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:37:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:37:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:37:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:37:51,048 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:37:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:37:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:37:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:37:51,049 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:37:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:37:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:37:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:37:51,050 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:37:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:37:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:37:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:37:51,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:37:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:37:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:37:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:37:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:37:51,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:37:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:37:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:37:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:37:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:37:51,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:37:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:37:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:37:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:37:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:37:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:37:51,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:37:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:37:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:37:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:37:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:37:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:37:51,055 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:37:51,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:37:51,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:37:51,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:37:51,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:37:51,056 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:37:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:37:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:37:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:37:51,057 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:37:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:37:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:37:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:37:51,058 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:37:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:37:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:37:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:37:51,059 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:37:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:37:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:37:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:37:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:37:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:37:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:37:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:37:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:37:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:37:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:37:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:37:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:37:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:37:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:37:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:37:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:37:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:37:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:37:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:37:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:37:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:37:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:37:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:37:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:37:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:37:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:37:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:37:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:37:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:37:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:37:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:37:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:37:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:37:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:37:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:37:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:37:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:37:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:37:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:37:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:37:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:37:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:37:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:37:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:37:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:37:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:37:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:37:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:37:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:37:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:37:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:37:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:37:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:37:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:37:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:37:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:37:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:37:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:37:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:37:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:37:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:37:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:37:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:37:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:37:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:37:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:37:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:37:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:37:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:37:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:37:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:37:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:37:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:37:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:37:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:37:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:37:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:37:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:37:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:37:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:37:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:37:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:37:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:37:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:37:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:37:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:37:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:37:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:37:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:37:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:37:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:37:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:37:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:37:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:37:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:37:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:37:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:37:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:37:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:37:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:37:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:37:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:37:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:37:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:37:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:37:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:37:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:37:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:37:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:37:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:37:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:37:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:37:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:37:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:37:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:37:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:37:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:37:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:37:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:37:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:37:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:37:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:37:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:37:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:37:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:37:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:37:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:37:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:37:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:37:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:37:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:37:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:37:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:37:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:37:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:37:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:37:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:37:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:37:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:37:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:37:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:37:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:37:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:37:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:37:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:37:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:37:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:37:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:37:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:37:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:37:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:37:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:37:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:37:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:37:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:37:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:37:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:37:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:37:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:37:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:37:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:37:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:37:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:37:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:37:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:37:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:37:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:37:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:37:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:37:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:37:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:37:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:37:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:37:55,846 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:37:55,846 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:37:55,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:37:55 BoogieIcfgContainer [2019-10-07 14:37:55,848 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:37:55,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:37:55,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:37:55,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:37:55,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:37:49" (1/3) ... [2019-10-07 14:37:55,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b6086c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:37:55, skipping insertion in model container [2019-10-07 14:37:55,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:37:50" (2/3) ... [2019-10-07 14:37:55,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b6086c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:37:55, skipping insertion in model container [2019-10-07 14:37:55,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:37:55" (3/3) ... [2019-10-07 14:37:55,857 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product19.cil.c [2019-10-07 14:37:55,868 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:37:55,877 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:37:55,890 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:37:55,921 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:37:55,921 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:37:55,922 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:37:55,922 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:37:55,922 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:37:55,922 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:37:55,922 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:37:55,922 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:37:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2019-10-07 14:37:55,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-07 14:37:55,967 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:37:55,969 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:37:55,971 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:37:55,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:37:55,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1851438349, now seen corresponding path program 1 times [2019-10-07 14:37:55,987 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:37:55,987 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:37:55,988 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:37:55,988 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:37:55,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:37:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:37:56,697 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:37:56,697 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:37:56,698 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:37:56,698 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:37:56,703 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:37:56,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:37:56,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:37:56,721 INFO L87 Difference]: Start difference. First operand 356 states. Second operand 2 states. [2019-10-07 14:37:56,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:37:56,789 INFO L93 Difference]: Finished difference Result 520 states and 606 transitions. [2019-10-07 14:37:56,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:37:56,792 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 147 [2019-10-07 14:37:56,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:37:56,824 INFO L225 Difference]: With dead ends: 520 [2019-10-07 14:37:56,825 INFO L226 Difference]: Without dead ends: 335 [2019-10-07 14:37:56,830 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 14:37:56,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2019-10-07 14:37:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2019-10-07 14:37:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2019-10-07 14:37:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 390 transitions. [2019-10-07 14:37:56,911 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 390 transitions. Word has length 147 [2019-10-07 14:37:56,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:37:56,914 INFO L462 AbstractCegarLoop]: Abstraction has 335 states and 390 transitions. [2019-10-07 14:37:56,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:37:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 390 transitions. [2019-10-07 14:37:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-07 14:37:56,920 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:37:56,920 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:37:56,920 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:37:56,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:37:56,921 INFO L82 PathProgramCache]: Analyzing trace with hash -1574707570, now seen corresponding path program 1 times [2019-10-07 14:37:56,921 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:37:56,921 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:37:56,922 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:37:56,922 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:37:56,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:37:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:37:57,227 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:37:57,228 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:37:57,228 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:37:57,228 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:37:57,235 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:37:57,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:37:57,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:37:57,236 INFO L87 Difference]: Start difference. First operand 335 states and 390 transitions. Second operand 3 states. [2019-10-07 14:37:57,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:37:57,321 INFO L93 Difference]: Finished difference Result 505 states and 575 transitions. [2019-10-07 14:37:57,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:37:57,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-07 14:37:57,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:37:57,334 INFO L225 Difference]: With dead ends: 505 [2019-10-07 14:37:57,334 INFO L226 Difference]: Without dead ends: 337 [2019-10-07 14:37:57,338 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 14:37:57,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2019-10-07 14:37:57,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2019-10-07 14:37:57,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2019-10-07 14:37:57,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 392 transitions. [2019-10-07 14:37:57,377 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 392 transitions. Word has length 148 [2019-10-07 14:37:57,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:37:57,378 INFO L462 AbstractCegarLoop]: Abstraction has 337 states and 392 transitions. [2019-10-07 14:37:57,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:37:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 392 transitions. [2019-10-07 14:37:57,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 14:37:57,381 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:37:57,382 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:37:57,382 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:37:57,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:37:57,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1249119823, now seen corresponding path program 1 times [2019-10-07 14:37:57,383 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:37:57,383 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:37:57,383 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:37:57,383 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:37:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:37:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:37:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:37:57,605 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:37:57,605 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:37:57,605 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:37:57,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:37:57,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:37:57,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:37:57,609 INFO L87 Difference]: Start difference. First operand 337 states and 392 transitions. Second operand 3 states. [2019-10-07 14:37:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:37:57,654 INFO L93 Difference]: Finished difference Result 656 states and 791 transitions. [2019-10-07 14:37:57,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:37:57,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-07 14:37:57,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:37:57,664 INFO L225 Difference]: With dead ends: 656 [2019-10-07 14:37:57,665 INFO L226 Difference]: Without dead ends: 377 [2019-10-07 14:37:57,668 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 14:37:57,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2019-10-07 14:37:57,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 376. [2019-10-07 14:37:57,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2019-10-07 14:37:57,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 460 transitions. [2019-10-07 14:37:57,702 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 460 transitions. Word has length 153 [2019-10-07 14:37:57,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:37:57,703 INFO L462 AbstractCegarLoop]: Abstraction has 376 states and 460 transitions. [2019-10-07 14:37:57,703 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:37:57,703 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 460 transitions. [2019-10-07 14:37:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 14:37:57,706 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:37:57,707 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:37:57,707 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:37:57,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:37:57,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1817605988, now seen corresponding path program 1 times [2019-10-07 14:37:57,708 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:37:57,708 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:37:57,708 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:37:57,708 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:37:57,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:37:57,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:37:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 14:37:57,953 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:37:57,953 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:37:57,953 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 14:37:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:37:58,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 2499 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:37:58,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:37:59,038 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:37:59,038 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:37:59,281 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:37:59,281 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:37:59,313 INFO L162 IcfgInterpreter]: Started Sifa with 139 locations of interest [2019-10-07 14:37:59,314 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:37:59,321 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:37:59,329 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:37:59,330 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:38:40,104 WARN L191 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 652 [2019-10-07 14:38:43,432 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 284 DAG size of output: 231 [2019-10-07 14:38:43,796 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 688 [2019-10-07 14:38:44,105 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 688 [2019-10-07 14:38:44,378 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 688 [2019-10-07 14:38:44,592 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 14:38:45,189 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:38:45,795 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:38:46,383 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:38:46,527 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 14:38:47,098 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:38:48,232 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 980 DAG size of output: 978 [2019-10-07 14:38:48,814 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:38:48,949 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 14:38:49,506 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:38:50,066 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:38:50,634 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:38:50,750 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 14:38:51,315 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:38:51,345 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 541 for LOIs [2019-10-07 14:38:51,733 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 14:38:51,950 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2019-10-07 14:38:52,373 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 911 [2019-10-07 14:38:52,374 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1018 for LOIs [2019-10-07 14:38:52,921 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:38:53,482 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:38:53,680 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:38:54,457 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:38:55,011 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:38:55,585 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:38:55,785 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:38:56,559 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:38:57,139 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:38:57,696 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:38:57,917 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:38:58,696 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:38:59,750 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1140 DAG size of output: 1018 [2019-10-07 14:39:00,296 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:00,516 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:01,283 WARN L191 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:01,853 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:02,411 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:02,615 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:03,391 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:03,937 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:04,482 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:04,716 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:05,488 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:06,033 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:06,588 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:06,775 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:07,560 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:08,105 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:08,650 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:08,847 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:09,617 WARN L191 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:10,165 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:10,706 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:10,892 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:11,669 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:12,214 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:12,760 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:12,948 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:13,727 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:14,272 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:14,816 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:15,023 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:15,798 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:16,347 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:16,887 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:17,069 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:17,848 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:18,395 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:18,953 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 1018 [2019-10-07 14:39:19,139 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:19,911 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:20,734 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:21,507 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:21,805 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:22,580 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:24,002 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1140 DAG size of output: 1138 [2019-10-07 14:39:24,785 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:24,983 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:25,766 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:26,550 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:27,333 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:27,518 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:28,307 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:29,159 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:39:29,951 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:39:30,152 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:39:30,943 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:39:32,381 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1144 DAG size of output: 1140 [2019-10-07 14:39:33,180 WARN L191 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:39:33,375 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:39:34,159 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:39:34,946 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:39:35,729 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:39:35,916 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:39:36,707 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:39:37,498 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:39:38,287 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:39:38,477 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:39:39,266 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:39:40,060 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:39:40,842 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:39:41,037 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:39:41,828 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2019-10-07 14:39:44,285 WARN L191 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 1140 DAG size of output: 1138 [2019-10-07 14:39:45,072 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:45,272 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:46,062 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:47,468 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1140 DAG size of output: 1138 [2019-10-07 14:39:48,260 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:48,463 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:49,243 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:50,037 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:50,821 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:51,006 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:51,788 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:53,230 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1140 DAG size of output: 1138 [2019-10-07 14:39:54,016 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:54,214 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:55,002 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:57,244 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1140 DAG size of output: 1138 [2019-10-07 14:39:58,027 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:58,223 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:39:59,023 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:39:59,796 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:40:00,580 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:40:00,763 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 558 [2019-10-07 14:40:01,538 WARN L191 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 1138 [2019-10-07 14:40:02,373 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:03,158 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:03,353 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:40:04,149 WARN L191 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:05,288 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:06,072 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:06,271 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:40:07,065 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:07,840 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:08,633 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:08,829 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:40:09,613 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:11,867 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1144 DAG size of output: 1140 [2019-10-07 14:40:12,651 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1140 [2019-10-07 14:40:12,876 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:40:13,670 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:15,038 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1146 DAG size of output: 1142 [2019-10-07 14:40:15,833 WARN L191 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 1142 [2019-10-07 14:40:16,027 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2019-10-07 14:40:16,830 WARN L191 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 1144 [2019-10-07 14:40:17,115 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:40:17,116 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 14:40:17,122 INFO L168 Benchmark]: Toolchain (without parser) took 147412.75 ms. Allocated memory was 134.7 MB in the beginning and 714.1 MB in the end (delta: 579.3 MB). Free memory was 97.2 MB in the beginning and 362.2 MB in the end (delta: -265.0 MB). Peak memory consumption was 314.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:17,123 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory is still 117.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:40:17,123 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1043.50 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 97.2 MB in the beginning and 137.9 MB in the end (delta: -40.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:17,124 INFO L168 Benchmark]: Boogie Preprocessor took 205.13 ms. Allocated memory is still 200.3 MB. Free memory was 137.9 MB in the beginning and 128.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:17,125 INFO L168 Benchmark]: RCFGBuilder took 4888.49 ms. Allocated memory was 200.3 MB in the beginning and 322.4 MB in the end (delta: 122.2 MB). Free memory was 128.0 MB in the beginning and 173.1 MB in the end (delta: -45.0 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:17,125 INFO L168 Benchmark]: TraceAbstraction took 141270.73 ms. Allocated memory was 322.4 MB in the beginning and 714.1 MB in the end (delta: 391.6 MB). Free memory was 173.1 MB in the beginning and 362.2 MB in the end (delta: -189.1 MB). Peak memory consumption was 202.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:17,129 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.7 MB. Free memory is still 117.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1043.50 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 97.2 MB in the beginning and 137.9 MB in the end (delta: -40.7 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 205.13 ms. Allocated memory is still 200.3 MB. Free memory was 137.9 MB in the beginning and 128.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4888.49 ms. Allocated memory was 200.3 MB in the beginning and 322.4 MB in the end (delta: 122.2 MB). Free memory was 128.0 MB in the beginning and 173.1 MB in the end (delta: -45.0 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 141270.73 ms. Allocated memory was 322.4 MB in the beginning and 714.1 MB in the end (delta: 391.6 MB). Free memory was 173.1 MB in the beginning and 362.2 MB in the end (delta: -189.1 MB). Peak memory consumption was 202.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...