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_spec1_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:46:14,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:46:14,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:46:14,372 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:46:14,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:46:14,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:46:14,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:46:14,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:46:14,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:46:14,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:46:14,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:46:14,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:46:14,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:46:14,382 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:46:14,383 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:46:14,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:46:14,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:46:14,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:46:14,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:46:14,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:46:14,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:46:14,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:46:14,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:46:14,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:46:14,396 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:46:14,397 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:46:14,397 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:46:14,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:46:14,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:46:14,399 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:46:14,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:46:14,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:46:14,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:46:14,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:46:14,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:46:14,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:46:14,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:46:14,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:46:14,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:46:14,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:46:14,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:46:14,406 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 14:46:14,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:46:14,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:46:14,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:46:14,425 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:46:14,425 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:46:14,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:46:14,426 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:46:14,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:46:14,426 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:46:14,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:46:14,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:46:14,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:46:14,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:46:14,427 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:46:14,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:46:14,428 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:46:14,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:46:14,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:46:14,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:46:14,429 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:46:14,429 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:46:14,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:46:14,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:46:14,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:46:14,430 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:46:14,430 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:46:14,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:46:14,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:46:14,430 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 14:46:14,685 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:46:14,703 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:46:14,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:46:14,709 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:46:14,710 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:46:14,711 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c [2019-10-07 14:46:14,790 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6f775d6/c62289dac7d04062955a5134841d6d2a/FLAG2f617e30a [2019-10-07 14:46:15,443 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:46:15,444 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product26.cil.c [2019-10-07 14:46:15,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6f775d6/c62289dac7d04062955a5134841d6d2a/FLAG2f617e30a [2019-10-07 14:46:15,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa6f775d6/c62289dac7d04062955a5134841d6d2a [2019-10-07 14:46:15,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:46:15,665 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:46:15,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:15,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:46:15,670 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:46:15,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:15" (1/1) ... [2019-10-07 14:46:15,674 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681de4fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:15, skipping insertion in model container [2019-10-07 14:46:15,674 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:15" (1/1) ... [2019-10-07 14:46:15,682 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:46:15,767 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:46:16,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:16,524 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:46:16,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:16,767 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:46:16,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16 WrapperNode [2019-10-07 14:46:16,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:16,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:46:16,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:46:16,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:46:16,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16" (1/1) ... [2019-10-07 14:46:16,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16" (1/1) ... [2019-10-07 14:46:16,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16" (1/1) ... [2019-10-07 14:46:16,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16" (1/1) ... [2019-10-07 14:46:16,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16" (1/1) ... [2019-10-07 14:46:16,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16" (1/1) ... [2019-10-07 14:46:16,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16" (1/1) ... [2019-10-07 14:46:16,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:46:16,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:46:16,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:46:16,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:46:16,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16" (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 14:46:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:46:17,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:46:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:46:17,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:46:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:17,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:46:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:46:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:46:17,025 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:46:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:46:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:46:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:46:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:46:17,028 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:46:17,030 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:46:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:46:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:46:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:46:17,031 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:46:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:46:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:46:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:46:17,032 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:46:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:46:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:46:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:46:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:46:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:46:17,033 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:46:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:46:17,034 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 14:46:17,035 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:46:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:46:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:46:17,036 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:46:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:46:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:46:17,037 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:46:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:46:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:46:17,038 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:46:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:46:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:46:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:46:17,039 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:46:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:46:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:46:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:46:17,040 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:46:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:46:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:46:17,041 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:46:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:46:17,042 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:46:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:46:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:46:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:46:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:46:17,043 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:46:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:46:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:46:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:46:17,044 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:46:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:46:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:46:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:46:17,045 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:46:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:46:17,046 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:46:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:46:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:46:17,047 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:46:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:46:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:46:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:46:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:46:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:46:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:46:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:46:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:46:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:46:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:46:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:46:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:46:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:46:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:46:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:46:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:46:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:46:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:46:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:46:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:46:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:46:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:46:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:46:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:46:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:46:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:46:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:46:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:46:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:46:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:46:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:46:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:46:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:46:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:46:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:46:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:46:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:46:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:46:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:46:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:46:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:46:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:46:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:46:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:46:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:46:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:46:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:46:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:46:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:46:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:46:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:46:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:46:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:46:17,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:46:17,057 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:46:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:46:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:46:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:46:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:46:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:46:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:46:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:46:17,071 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:46:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:46:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:46:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:46:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:46:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:46:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:46:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:46:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:46:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:46:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:46:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:46:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:46:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:46:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:46:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:46:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:46:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:46:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:46:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:46:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:46:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:46:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:46:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:46:17,076 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:46:17,077 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:46:17,078 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:46:17,079 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:46:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 14:46:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:46:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:46:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:46:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:46:17,080 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:46:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:46:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:46:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:46:17,081 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:46:17,082 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:46:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:46:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:46:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:46:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:46:17,083 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:46:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:46:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:46:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:46:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:46:17,084 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:46:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:46:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:46:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:46:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:46:17,085 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:46:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:46:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:46:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:46:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:46:17,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:46:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:46:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:46:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:46:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:46:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:46:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:46:17,088 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:46:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:46:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:46:17,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:46:21,692 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:46:21,692 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:46:21,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:21 BoogieIcfgContainer [2019-10-07 14:46:21,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:46:21,695 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:46:21,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:46:21,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:46:21,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:46:15" (1/3) ... [2019-10-07 14:46:21,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17453357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:21, skipping insertion in model container [2019-10-07 14:46:21,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:16" (2/3) ... [2019-10-07 14:46:21,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17453357 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:21, skipping insertion in model container [2019-10-07 14:46:21,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:21" (3/3) ... [2019-10-07 14:46:21,702 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product26.cil.c [2019-10-07 14:46:21,712 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:46:21,721 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:46:21,733 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:46:21,763 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:46:21,763 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:46:21,764 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:46:21,764 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:46:21,764 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:46:21,764 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:46:21,764 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:46:21,765 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:46:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states. [2019-10-07 14:46:21,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 14:46:21,811 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:21,813 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:21,815 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:21,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:21,821 INFO L82 PathProgramCache]: Analyzing trace with hash -785383817, now seen corresponding path program 1 times [2019-10-07 14:46:21,831 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:21,831 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:21,831 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:21,832 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:21,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:22,527 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:22,528 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:22,529 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:46:22,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:46:22,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:46:22,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:46:22,552 INFO L87 Difference]: Start difference. First operand 417 states. Second operand 2 states. [2019-10-07 14:46:22,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:22,620 INFO L93 Difference]: Finished difference Result 609 states and 726 transitions. [2019-10-07 14:46:22,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:46:22,622 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-07 14:46:22,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:22,647 INFO L225 Difference]: With dead ends: 609 [2019-10-07 14:46:22,647 INFO L226 Difference]: Without dead ends: 390 [2019-10-07 14:46:22,660 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 14:46:22,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2019-10-07 14:46:22,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 390. [2019-10-07 14:46:22,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2019-10-07 14:46:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 461 transitions. [2019-10-07 14:46:22,775 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 461 transitions. Word has length 121 [2019-10-07 14:46:22,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:22,777 INFO L462 AbstractCegarLoop]: Abstraction has 390 states and 461 transitions. [2019-10-07 14:46:22,777 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:46:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 461 transitions. [2019-10-07 14:46:22,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 14:46:22,783 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:22,783 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:22,784 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:22,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:22,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1012250158, now seen corresponding path program 1 times [2019-10-07 14:46:22,784 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:22,785 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:22,785 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:22,785 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:22,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:22,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:22,965 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:22,965 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:22,965 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:22,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:22,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:22,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:22,968 INFO L87 Difference]: Start difference. First operand 390 states and 461 transitions. Second operand 3 states. [2019-10-07 14:46:23,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:23,017 INFO L93 Difference]: Finished difference Result 594 states and 695 transitions. [2019-10-07 14:46:23,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:23,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-07 14:46:23,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:23,023 INFO L225 Difference]: With dead ends: 594 [2019-10-07 14:46:23,024 INFO L226 Difference]: Without dead ends: 392 [2019-10-07 14:46:23,026 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 14:46:23,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2019-10-07 14:46:23,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2019-10-07 14:46:23,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-10-07 14:46:23,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 463 transitions. [2019-10-07 14:46:23,071 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 463 transitions. Word has length 122 [2019-10-07 14:46:23,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:23,072 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 463 transitions. [2019-10-07 14:46:23,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:23,072 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 463 transitions. [2019-10-07 14:46:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-07 14:46:23,079 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:23,083 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] [2019-10-07 14:46:23,084 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:23,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:23,088 INFO L82 PathProgramCache]: Analyzing trace with hash 464025449, now seen corresponding path program 1 times [2019-10-07 14:46:23,088 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:23,088 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:23,089 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:23,089 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:23,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:23,311 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:23,312 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:23,312 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:23,312 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:23,313 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:23,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:23,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:23,314 INFO L87 Difference]: Start difference. First operand 392 states and 463 transitions. Second operand 3 states. [2019-10-07 14:46:23,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:23,367 INFO L93 Difference]: Finished difference Result 770 states and 939 transitions. [2019-10-07 14:46:23,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:23,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-10-07 14:46:23,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:23,379 INFO L225 Difference]: With dead ends: 770 [2019-10-07 14:46:23,380 INFO L226 Difference]: Without dead ends: 436 [2019-10-07 14:46:23,387 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 14:46:23,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2019-10-07 14:46:23,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 435. [2019-10-07 14:46:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2019-10-07 14:46:23,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 537 transitions. [2019-10-07 14:46:23,436 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 537 transitions. Word has length 134 [2019-10-07 14:46:23,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:23,438 INFO L462 AbstractCegarLoop]: Abstraction has 435 states and 537 transitions. [2019-10-07 14:46:23,438 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:23,438 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 537 transitions. [2019-10-07 14:46:23,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 14:46:23,444 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:23,445 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] [2019-10-07 14:46:23,446 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:23,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:23,446 INFO L82 PathProgramCache]: Analyzing trace with hash -1351774969, now seen corresponding path program 1 times [2019-10-07 14:46:23,446 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:23,447 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:23,447 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:23,448 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:23,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:23,767 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:23,767 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:46:23,768 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 14:46:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:24,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 2643 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:46:24,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:46:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:24,497 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:46:24,787 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:24,787 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:46:24,815 INFO L162 IcfgInterpreter]: Started Sifa with 124 locations of interest [2019-10-07 14:46:24,816 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:46:24,822 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:46:24,829 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:46:24,830 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:47:19,113 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2019-10-07 14:47:23,291 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2019-10-07 14:47:23,682 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:47:24,015 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:47:24,415 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:47:24,640 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:25,324 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:26,008 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:26,626 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:26,769 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:27,424 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:28,708 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 1018 DAG size of output: 1016 [2019-10-07 14:47:29,326 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:29,470 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:30,047 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:30,626 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:31,233 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:31,359 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:31,967 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:31,994 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 556 for LOIs [2019-10-07 14:47:32,358 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 646 [2019-10-07 14:47:32,474 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 646 [2019-10-07 14:47:32,607 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:33,076 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 943 [2019-10-07 14:47:33,078 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1071 for LOIs [2019-10-07 14:47:33,657 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:34,227 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:34,615 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:35,581 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:36,163 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:36,732 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:36,980 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:37,932 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:38,633 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:39,199 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:39,466 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:40,412 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:41,390 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 1270 DAG size of output: 1071 [2019-10-07 14:47:41,964 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:42,233 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:43,178 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:43,767 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:44,359 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:44,604 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:45,552 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:46,122 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:46,708 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:46,947 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:47,891 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:48,461 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:49,026 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:49,299 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:50,238 WARN L191 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:50,813 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:51,386 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:51,633 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:52,599 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:53,171 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:53,743 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:53,985 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:54,961 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:55,529 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:56,107 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:56,353 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:57,305 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:47:57,877 WARN L191 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:58,449 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:47:58,689 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:47:59,652 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:00,232 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:48:00,807 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:48:01,048 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:02,008 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:02,581 WARN L191 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:48:03,162 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1071 [2019-10-07 14:48:03,404 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:04,371 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:05,422 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:06,383 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:06,633 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:07,590 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:09,516 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1270 DAG size of output: 1268 [2019-10-07 14:48:10,484 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:10,742 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:11,697 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:12,660 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:13,630 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:13,874 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:14,829 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:15,836 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:48:16,806 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:48:17,058 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:48:18,031 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:48:19,802 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1272 [2019-10-07 14:48:20,768 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:48:21,022 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:48:21,992 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:48:23,723 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1270 [2019-10-07 14:48:24,693 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:48:24,937 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:48:25,903 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:48:26,866 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:48:27,821 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1270 [2019-10-07 14:48:28,071 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:48:29,036 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:48:30,005 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:48:30,975 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:48:31,224 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:48:32,198 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:48:35,089 WARN L191 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 1270 DAG size of output: 1268 [2019-10-07 14:48:36,053 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:36,310 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:37,274 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:39,022 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1270 DAG size of output: 1268 [2019-10-07 14:48:39,982 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:40,237 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:41,206 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:42,168 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:43,131 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:43,373 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:44,342 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:46,851 WARN L191 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1270 DAG size of output: 1268 [2019-10-07 14:48:47,821 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:48,074 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:49,044 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:50,850 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 1270 DAG size of output: 1268 [2019-10-07 14:48:51,812 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:52,065 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:53,030 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:53,984 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:54,951 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:55,193 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2019-10-07 14:48:56,159 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1268 [2019-10-07 14:48:58,507 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1272 [2019-10-07 14:48:59,492 WARN L191 SmtUtils]: Spent 981.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:48:59,744 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:49:00,714 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:49:01,708 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:49:02,685 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:49:02,940 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:49:03,911 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:49:05,655 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1274 DAG size of output: 1272 [2019-10-07 14:49:06,633 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:49:06,878 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:49:07,853 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:49:09,517 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1279 DAG size of output: 1272 [2019-10-07 14:49:10,485 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:49:10,752 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:49:11,717 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1272 [2019-10-07 14:49:13,443 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1281 DAG size of output: 1274 [2019-10-07 14:49:14,406 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:49:14,658 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:49:15,617 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1274 [2019-10-07 14:49:15,899 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:49:15,900 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 14:49:15,911 INFO L168 Benchmark]: Toolchain (without parser) took 180245.46 ms. Allocated memory was 137.9 MB in the beginning and 768.1 MB in the end (delta: 630.2 MB). Free memory was 98.1 MB in the beginning and 155.3 MB in the end (delta: -57.2 MB). Peak memory consumption was 573.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:15,911 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:49:15,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1101.43 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 98.1 MB in the beginning and 136.2 MB in the end (delta: -38.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:15,919 INFO L168 Benchmark]: Boogie Preprocessor took 167.20 ms. Allocated memory is still 202.4 MB. Free memory was 136.2 MB in the beginning and 126.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:15,923 INFO L168 Benchmark]: RCFGBuilder took 4758.39 ms. Allocated memory was 202.4 MB in the beginning and 303.0 MB in the end (delta: 100.7 MB). Free memory was 126.9 MB in the beginning and 103.6 MB in the end (delta: 23.3 MB). Peak memory consumption was 124.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:15,924 INFO L168 Benchmark]: TraceAbstraction took 174213.44 ms. Allocated memory was 303.0 MB in the beginning and 768.1 MB in the end (delta: 465.0 MB). Free memory was 103.6 MB in the beginning and 155.3 MB in the end (delta: -51.7 MB). Peak memory consumption was 413.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:15,927 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1101.43 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 98.1 MB in the beginning and 136.2 MB in the end (delta: -38.1 MB). Peak memory consumption was 33.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 167.20 ms. Allocated memory is still 202.4 MB. Free memory was 136.2 MB in the beginning and 126.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4758.39 ms. Allocated memory was 202.4 MB in the beginning and 303.0 MB in the end (delta: 100.7 MB). Free memory was 126.9 MB in the beginning and 103.6 MB in the end (delta: 23.3 MB). Peak memory consumption was 124.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 174213.44 ms. Allocated memory was 303.0 MB in the beginning and 768.1 MB in the end (delta: 465.0 MB). Free memory was 103.6 MB in the beginning and 155.3 MB in the end (delta: -51.7 MB). Peak memory consumption was 413.4 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...