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_spec11_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:41:48,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:41:48,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:41:48,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:41:48,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:41:48,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:41:48,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:41:48,302 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:41:48,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:41:48,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:41:48,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:41:48,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:41:48,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:41:48,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:41:48,309 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:41:48,310 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:41:48,311 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:41:48,312 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:41:48,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:41:48,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:41:48,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:41:48,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:41:48,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:41:48,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:41:48,331 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:41:48,331 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:41:48,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:41:48,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:41:48,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:41:48,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:41:48,337 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:41:48,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:41:48,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:41:48,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:41:48,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:41:48,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:41:48,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:41:48,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:41:48,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:41:48,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:41:48,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:41:48,349 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 14:41:48,363 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:41:48,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:41:48,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:41:48,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:41:48,365 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:41:48,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:41:48,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:41:48,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:41:48,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:41:48,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:41:48,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:41:48,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:41:48,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:41:48,367 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:41:48,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:41:48,367 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:41:48,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:41:48,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:41:48,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:41:48,368 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:41:48,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:41:48,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:41:48,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:41:48,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:41:48,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:41:48,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:41:48,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:41:48,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:41:48,370 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 14:41:48,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:41:48,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:41:48,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:41:48,716 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:41:48,716 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:41:48,717 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product23.cil.c [2019-10-07 14:41:48,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62311b647/55832a5bdbd84e5384d79ac91161fe11/FLAGac5d233ac [2019-10-07 14:41:49,418 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:41:49,419 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product23.cil.c [2019-10-07 14:41:49,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62311b647/55832a5bdbd84e5384d79ac91161fe11/FLAGac5d233ac [2019-10-07 14:41:49,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62311b647/55832a5bdbd84e5384d79ac91161fe11 [2019-10-07 14:41:49,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:41:49,644 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:41:49,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:41:49,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:41:49,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:41:49,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:41:49" (1/1) ... [2019-10-07 14:41:49,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166d7fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:49, skipping insertion in model container [2019-10-07 14:41:49,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:41:49" (1/1) ... [2019-10-07 14:41:49,659 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:41:49,744 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:41:50,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:41:50,530 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:41:50,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:41:50,792 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:41:50,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50 WrapperNode [2019-10-07 14:41:50,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:41:50,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:41:50,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:41:50,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:41:50,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50" (1/1) ... [2019-10-07 14:41:50,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50" (1/1) ... [2019-10-07 14:41:50,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50" (1/1) ... [2019-10-07 14:41:50,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50" (1/1) ... [2019-10-07 14:41:50,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50" (1/1) ... [2019-10-07 14:41:50,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50" (1/1) ... [2019-10-07 14:41:50,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50" (1/1) ... [2019-10-07 14:41:50,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:41:50,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:41:50,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:41:50,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:41:50,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50" (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 14:41:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:41:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:41:51,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:41:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:41:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:41:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:41:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:41:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:41:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:41:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:41:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:41:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:41:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:41:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:41:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:41:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:41:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:41:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:41:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:41:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:41:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:41:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:41:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:41:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:41:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:41:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:41:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:41:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:41:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:41:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:41:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:41:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:41:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:41:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:41:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:41:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:41:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:41:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:41:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:41:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:41:51,069 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:41:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:41:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:41:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:41:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:41:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:41:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:41:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:41:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:41:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:41:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:41:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:41:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:41:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:41:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:41:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:41:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:41:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:41:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:41:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:41:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:41:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:41:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:41:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:41:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:41:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:41:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:41:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:41:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:41:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:41:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:41:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:41:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:41:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:41:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:41:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:41:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:41:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:41:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:41:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:41:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:41:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:41:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:41:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:41:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:41:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:41:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:41:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:41:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:41:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:41:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:41:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:41:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:41:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:41:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:41:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:41:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:41:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:41:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:41:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-07 14:41:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:41:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:41:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:41:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:41:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:41:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:41:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:41:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:41:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:41:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:41:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:41:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:41:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:41:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:41:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:41:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:41:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:41:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:41:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:41:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:41:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:41:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:41:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:41:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:41:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:41:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:41:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:41:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:41:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:41:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:41:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:41:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:41:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:41:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:41:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:41:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:41:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:41:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:41:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:41:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:41:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:41:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:41:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:41:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:41:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:41:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:41:51,107 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:41:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:41:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:41:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:41:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:41:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:41:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:41:51,108 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:41:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:41:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:41:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:41:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:41:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:41:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:41:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:41:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:41:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:41:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:41:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:41:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:41:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:41:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:41:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:41:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:41:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:41:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:41:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:41:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:41:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:41:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:41:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:41:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:41:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:41:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:41:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:41:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:41:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:41:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:41:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:41:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:41:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:41:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:41:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:41:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:41:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:41:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:41:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:41:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:41:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:41:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:41:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:41:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:41:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:41:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:41:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:41:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:41:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:41:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:41:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:41:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:41:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:41:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:41:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:41:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:41:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:41:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:41:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:41:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:41:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:41:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:41:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:41:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:41:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:41:51,119 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:41:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:41:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:41:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:41:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:41:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:41:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:41:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:41:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:41:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:41:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:41:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:41:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:41:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:41:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:41:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:41:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:41:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:41:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:41:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-07 14:41:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:41:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:41:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:41:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:41:55,942 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:41:55,943 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:41:55,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:41:55 BoogieIcfgContainer [2019-10-07 14:41:55,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:41:55,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:41:55,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:41:55,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:41:55,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:41:49" (1/3) ... [2019-10-07 14:41:55,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359dfba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:41:55, skipping insertion in model container [2019-10-07 14:41:55,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:41:50" (2/3) ... [2019-10-07 14:41:55,951 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359dfba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:41:55, skipping insertion in model container [2019-10-07 14:41:55,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:41:55" (3/3) ... [2019-10-07 14:41:55,952 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product23.cil.c [2019-10-07 14:41:55,962 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:41:55,972 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:41:55,983 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:41:56,022 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:41:56,022 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:41:56,023 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:41:56,023 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:41:56,023 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:41:56,023 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:41:56,023 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:41:56,023 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:41:56,051 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states. [2019-10-07 14:41:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-07 14:41:56,070 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:56,071 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:56,073 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:56,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:56,080 INFO L82 PathProgramCache]: Analyzing trace with hash -2057364370, now seen corresponding path program 1 times [2019-10-07 14:41:56,090 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:56,090 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:56,091 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:56,091 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:56,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:41:56,875 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:56,876 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:56,876 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:41:56,883 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:41:56,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:41:56,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:41:56,901 INFO L87 Difference]: Start difference. First operand 392 states. Second operand 2 states. [2019-10-07 14:41:56,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:56,992 INFO L93 Difference]: Finished difference Result 534 states and 630 transitions. [2019-10-07 14:41:56,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:41:56,994 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 151 [2019-10-07 14:41:56,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:57,027 INFO L225 Difference]: With dead ends: 534 [2019-10-07 14:41:57,027 INFO L226 Difference]: Without dead ends: 349 [2019-10-07 14:41:57,042 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 14:41:57,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-10-07 14:41:57,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-10-07 14:41:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-10-07 14:41:57,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 408 transitions. [2019-10-07 14:41:57,125 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 408 transitions. Word has length 151 [2019-10-07 14:41:57,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:57,130 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 408 transitions. [2019-10-07 14:41:57,130 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:41:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 408 transitions. [2019-10-07 14:41:57,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 14:41:57,142 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:57,142 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:57,143 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:57,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:57,145 INFO L82 PathProgramCache]: Analyzing trace with hash 241342507, now seen corresponding path program 1 times [2019-10-07 14:41:57,146 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:57,146 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:57,146 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:57,146 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:57,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:57,349 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:41:57,350 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:57,350 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:57,351 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:41:57,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:41:57,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:41:57,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:41:57,360 INFO L87 Difference]: Start difference. First operand 349 states and 408 transitions. Second operand 3 states. [2019-10-07 14:41:57,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:57,428 INFO L93 Difference]: Finished difference Result 519 states and 596 transitions. [2019-10-07 14:41:57,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:41:57,429 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-07 14:41:57,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:57,433 INFO L225 Difference]: With dead ends: 519 [2019-10-07 14:41:57,433 INFO L226 Difference]: Without dead ends: 351 [2019-10-07 14:41:57,435 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 14:41:57,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-10-07 14:41:57,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2019-10-07 14:41:57,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-10-07 14:41:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 410 transitions. [2019-10-07 14:41:57,472 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 410 transitions. Word has length 152 [2019-10-07 14:41:57,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:57,472 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 410 transitions. [2019-10-07 14:41:57,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:41:57,473 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 410 transitions. [2019-10-07 14:41:57,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-07 14:41:57,477 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:57,477 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:57,477 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:57,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:57,478 INFO L82 PathProgramCache]: Analyzing trace with hash -516934809, now seen corresponding path program 1 times [2019-10-07 14:41:57,478 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:57,478 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:57,478 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:57,479 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:57,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:57,749 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:41:57,749 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:57,750 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:57,750 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:41:57,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:41:57,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:41:57,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:41:57,753 INFO L87 Difference]: Start difference. First operand 351 states and 410 transitions. Second operand 3 states. [2019-10-07 14:41:57,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:57,876 INFO L93 Difference]: Finished difference Result 686 states and 830 transitions. [2019-10-07 14:41:57,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:41:57,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-07 14:41:57,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:57,881 INFO L225 Difference]: With dead ends: 686 [2019-10-07 14:41:57,882 INFO L226 Difference]: Without dead ends: 393 [2019-10-07 14:41:57,883 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 14:41:57,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-07 14:41:57,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 392. [2019-10-07 14:41:57,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-10-07 14:41:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 481 transitions. [2019-10-07 14:41:57,921 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 481 transitions. Word has length 161 [2019-10-07 14:41:57,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:57,922 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 481 transitions. [2019-10-07 14:41:57,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:41:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 481 transitions. [2019-10-07 14:41:57,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-07 14:41:57,928 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:57,928 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:57,929 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:57,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:57,933 INFO L82 PathProgramCache]: Analyzing trace with hash -737202454, now seen corresponding path program 1 times [2019-10-07 14:41:57,933 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:57,934 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:57,934 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:57,934 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:57,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:58,171 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:41:58,171 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:58,172 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:58,172 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:41:58,173 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:41:58,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:41:58,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:41:58,173 INFO L87 Difference]: Start difference. First operand 392 states and 481 transitions. Second operand 3 states. [2019-10-07 14:41:58,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:58,211 INFO L93 Difference]: Finished difference Result 806 states and 1038 transitions. [2019-10-07 14:41:58,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:41:58,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-07 14:41:58,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:58,217 INFO L225 Difference]: With dead ends: 806 [2019-10-07 14:41:58,217 INFO L226 Difference]: Without dead ends: 472 [2019-10-07 14:41:58,219 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 14:41:58,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-07 14:41:58,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 471. [2019-10-07 14:41:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2019-10-07 14:41:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 617 transitions. [2019-10-07 14:41:58,252 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 617 transitions. Word has length 162 [2019-10-07 14:41:58,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:58,253 INFO L462 AbstractCegarLoop]: Abstraction has 471 states and 617 transitions. [2019-10-07 14:41:58,253 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:41:58,253 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 617 transitions. [2019-10-07 14:41:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-07 14:41:58,263 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:58,263 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:58,264 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:58,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:58,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1530035865, now seen corresponding path program 1 times [2019-10-07 14:41:58,264 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:58,265 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:58,265 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:58,265 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:58,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:58,523 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:41:58,524 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:58,524 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:58,525 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:41:58,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:41:58,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:41:58,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:41:58,527 INFO L87 Difference]: Start difference. First operand 471 states and 617 transitions. Second operand 3 states. [2019-10-07 14:41:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:58,577 INFO L93 Difference]: Finished difference Result 1037 states and 1436 transitions. [2019-10-07 14:41:58,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:41:58,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-10-07 14:41:58,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:58,587 INFO L225 Difference]: With dead ends: 1037 [2019-10-07 14:41:58,588 INFO L226 Difference]: Without dead ends: 624 [2019-10-07 14:41:58,591 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 14:41:58,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2019-10-07 14:41:58,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 623. [2019-10-07 14:41:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-10-07 14:41:58,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 877 transitions. [2019-10-07 14:41:58,639 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 877 transitions. Word has length 163 [2019-10-07 14:41:58,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:58,642 INFO L462 AbstractCegarLoop]: Abstraction has 623 states and 877 transitions. [2019-10-07 14:41:58,642 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:41:58,642 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 877 transitions. [2019-10-07 14:41:58,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 14:41:58,647 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:58,647 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:58,647 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:58,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:58,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1538302887, now seen corresponding path program 1 times [2019-10-07 14:41:58,648 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:58,648 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:58,648 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:58,649 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:58,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:58,995 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 14:41:58,996 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:58,996 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:41:58,996 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 14:41:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:59,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 2790 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:41:59,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:41:59,709 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:41:59,709 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:42:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:42:00,038 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:42:00,079 INFO L162 IcfgInterpreter]: Started Sifa with 152 locations of interest [2019-10-07 14:42:00,080 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:42:00,088 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:42:00,104 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:42:00,105 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:42:47,737 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 676 [2019-10-07 14:42:51,932 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 291 DAG size of output: 237 [2019-10-07 14:42:52,374 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 712 [2019-10-07 14:42:52,867 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 712 [2019-10-07 14:42:53,211 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 712 [2019-10-07 14:42:53,431 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:42:54,124 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2019-10-07 14:42:54,804 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2019-10-07 14:42:55,452 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2019-10-07 14:42:55,642 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:42:56,292 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2019-10-07 14:42:57,567 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1008 DAG size of output: 1006 [2019-10-07 14:42:58,231 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2019-10-07 14:42:58,378 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:42:59,018 WARN L191 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2019-10-07 14:42:59,621 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2019-10-07 14:43:00,261 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2019-10-07 14:43:00,388 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:43:00,975 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1006 [2019-10-07 14:43:01,002 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 553 for LOIs [2019-10-07 14:43:01,390 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 643 [2019-10-07 14:43:01,496 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 643 [2019-10-07 14:43:01,625 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:43:02,091 WARN L191 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 937 [2019-10-07 14:43:02,093 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1058 for LOIs [2019-10-07 14:43:02,712 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:43:03,302 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:43:03,549 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 627 [2019-10-07 14:43:04,529 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 1250 [2019-10-07 14:43:05,171 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:05,798 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:06,069 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:07,053 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:07,723 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:08,331 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:08,622 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:09,588 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:10,596 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 1258 DAG size of output: 1064 [2019-10-07 14:43:11,195 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:11,740 WARN L191 SmtUtils]: Spent 526.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:12,781 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:13,393 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:13,995 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:14,248 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:15,230 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:15,817 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:16,412 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:16,668 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:17,650 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:18,226 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:18,811 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:19,065 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:20,031 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:20,595 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:21,176 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:21,421 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:22,359 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:22,943 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:23,522 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:23,763 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:24,731 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:25,314 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:25,878 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:26,114 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:27,062 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:27,652 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:28,249 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:28,493 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:29,472 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:30,055 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:30,636 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:30,885 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:31,837 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:32,435 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:33,007 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1064 [2019-10-07 14:43:33,255 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:34,196 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:35,186 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:36,140 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:36,399 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:37,343 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:39,175 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:43:40,114 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:40,369 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:41,296 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:42,229 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:43,198 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:43,444 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:43:44,381 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:43:45,361 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:43:46,301 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:43:46,541 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:43:47,487 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:43:50,319 WARN L191 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1258 [2019-10-07 14:43:51,258 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:43:51,504 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:43:52,432 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:43:53,357 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:43:54,311 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:43:54,566 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:43:55,534 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:43:56,475 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:43:57,402 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1258 [2019-10-07 14:43:57,640 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:43:58,570 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:43:59,517 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:00,478 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:00,725 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:44:01,653 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:44:04,240 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:44:05,202 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:05,457 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:44:06,378 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:09,001 WARN L191 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:44:09,941 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:10,187 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:44:11,109 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:12,046 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:12,983 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:13,217 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:44:14,152 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:15,937 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:44:16,887 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:17,141 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:44:18,114 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:19,852 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1256 [2019-10-07 14:44:20,803 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:21,055 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:44:21,971 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:22,902 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:23,854 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:24,087 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 14:44:25,046 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1256 [2019-10-07 14:44:26,760 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 1262 DAG size of output: 1260 [2019-10-07 14:44:27,686 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:27,937 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:44:28,894 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:29,843 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:30,781 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:31,030 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:44:31,959 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:32,915 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:33,885 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:34,131 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:44:35,093 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:36,807 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1265 DAG size of output: 1260 [2019-10-07 14:44:37,782 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:38,028 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:44:38,961 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1260 [2019-10-07 14:44:40,616 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1267 DAG size of output: 1262 [2019-10-07 14:44:41,601 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:44:41,849 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 14:44:42,828 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1262 [2019-10-07 14:44:43,097 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:44:43,098 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 14:44:43,105 INFO L168 Benchmark]: Toolchain (without parser) took 173460.67 ms. Allocated memory was 143.7 MB in the beginning and 850.9 MB in the end (delta: 707.3 MB). Free memory was 98.9 MB in the beginning and 423.9 MB in the end (delta: -325.0 MB). Peak memory consumption was 382.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:43,105 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory is still 119.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:44:43,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1148.49 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 98.9 MB in the beginning and 135.1 MB in the end (delta: -36.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:43,107 INFO L168 Benchmark]: Boogie Preprocessor took 192.29 ms. Allocated memory is still 201.9 MB. Free memory was 135.1 MB in the beginning and 126.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:43,107 INFO L168 Benchmark]: RCFGBuilder took 4958.47 ms. Allocated memory was 201.9 MB in the beginning and 307.2 MB in the end (delta: 105.4 MB). Free memory was 125.5 MB in the beginning and 115.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 115.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:43,108 INFO L168 Benchmark]: TraceAbstraction took 167157.38 ms. Allocated memory was 307.2 MB in the beginning and 850.9 MB in the end (delta: 543.7 MB). Free memory was 111.7 MB in the beginning and 423.9 MB in the end (delta: -312.2 MB). Peak memory consumption was 231.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:43,111 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 143.7 MB. Free memory is still 119.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1148.49 ms. Allocated memory was 143.7 MB in the beginning and 201.9 MB in the end (delta: 58.2 MB). Free memory was 98.9 MB in the beginning and 135.1 MB in the end (delta: -36.1 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 192.29 ms. Allocated memory is still 201.9 MB. Free memory was 135.1 MB in the beginning and 126.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4958.47 ms. Allocated memory was 201.9 MB in the beginning and 307.2 MB in the end (delta: 105.4 MB). Free memory was 125.5 MB in the beginning and 115.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 115.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 167157.38 ms. Allocated memory was 307.2 MB in the beginning and 850.9 MB in the end (delta: 543.7 MB). Free memory was 111.7 MB in the beginning and 423.9 MB in the end (delta: -312.2 MB). Peak memory consumption was 231.5 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...