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_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:44:09,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:44:09,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:44:09,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:44:09,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:44:09,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:44:09,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:44:09,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:44:09,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:44:09,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:44:09,835 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:44:09,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:44:09,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:44:09,840 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:44:09,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:44:09,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:44:09,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:44:09,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:44:09,850 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:44:09,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:44:09,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:44:09,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:44:09,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:44:09,862 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:44:09,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:44:09,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:44:09,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:44:09,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:44:09,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:44:09,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:44:09,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:44:09,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:44:09,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:44:09,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:44:09,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:44:09,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:44:09,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:44:09,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:44:09,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:44:09,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:44:09,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:44:09,879 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 14:44:09,906 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:44:09,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:44:09,909 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:44:09,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:44:09,909 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:44:09,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:44:09,910 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:44:09,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:44:09,910 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:44:09,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:44:09,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:44:09,911 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:44:09,911 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:44:09,911 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:44:09,911 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:44:09,911 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:44:09,912 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:44:09,912 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:44:09,912 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:44:09,912 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:44:09,912 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:44:09,913 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:44:09,913 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:44:09,913 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:44:09,913 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:44:09,914 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:44:09,914 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:44:09,914 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:44:09,914 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 14:44:10,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:44:10,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:44:10,210 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:44:10,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:44:10,211 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:44:10,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2019-10-07 14:44:10,279 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50d6119d4/bcb7c498b25f4da295b9e7ebb6a94c4b/FLAG20ffbd398 [2019-10-07 14:44:10,762 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:44:10,763 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2019-10-07 14:44:10,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50d6119d4/bcb7c498b25f4da295b9e7ebb6a94c4b/FLAG20ffbd398 [2019-10-07 14:44:11,003 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50d6119d4/bcb7c498b25f4da295b9e7ebb6a94c4b [2019-10-07 14:44:11,011 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:44:11,013 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:44:11,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:11,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:44:11,019 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:44:11,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:11" (1/1) ... [2019-10-07 14:44:11,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15429cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:11, skipping insertion in model container [2019-10-07 14:44:11,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:44:11" (1/1) ... [2019-10-07 14:44:11,029 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:44:11,118 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:44:11,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:11,817 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:44:11,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:44:12,037 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:44:12,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12 WrapperNode [2019-10-07 14:44:12,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:44:12,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:44:12,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:44:12,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:44:12,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,086 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,086 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (1/1) ... [2019-10-07 14:44:12,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:44:12,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:44:12,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:44:12,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:44:12,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (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 14:44:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:44:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:44:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:44:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:44:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:44:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:44:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:44:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:44:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:44:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:44:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:44:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:44:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:44:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:44:12,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:44:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:44:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:44:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:44:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:44:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:44:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:44:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:44:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:44:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:44:12,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:44:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:44:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:44:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:44:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:44:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:44:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:44:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:44:12,288 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:44:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 14:44:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:44:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:44:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:44:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:44:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:44:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:44:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:44:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:44:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:44:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:44:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:44:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:44:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:44:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:44:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:44:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:44:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:44:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:44:12,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:44:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:44:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:44:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:44:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:44:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:44:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:44:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:44:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:44:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:44:12,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:44:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:44:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:44:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:44:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:44:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:44:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:44:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:44:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:44:12,297 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:44:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:44:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:44:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:44:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:44:12,298 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:44:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:44:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:44:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:44:12,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:44:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:44:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:44:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:44:12,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:44:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:44:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:44:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:44:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:44:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:44:12,309 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:44:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:44:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:44:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:44:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:44:12,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:44:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:44:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:44:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:44:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:44:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:44:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:44:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:44:12,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:44:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:44:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:44:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:44:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:44:12,313 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:44:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:44:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:44:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:44:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:44:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:44:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:44:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:44:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:44:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:44:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:44:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:44:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:44:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:44:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:44:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:44:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:44:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:44:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:44:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:44:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:44:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:44:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:44:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:44:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:44:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:44:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:44:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:44:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:44:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:44:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:44:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:44:12,319 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:44:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:44:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:44:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:44:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:44:12,320 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:44:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:44:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:44:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:44:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:44:12,321 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:44:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:44:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:44:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:44:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:44:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:44:12,322 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:44:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:44:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 14:44:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:44:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:44:12,323 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:44:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:44:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:44:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:44:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:44:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:44:12,324 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:44:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:44:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:44:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:44:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:44:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:44:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:44:12,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:44:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:44:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:44:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:44:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:44:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:44:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:44:12,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:44:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:44:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:44:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:44:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:44:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:44:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:44:12,327 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:44:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:44:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:44:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:44:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:44:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:44:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:44:12,328 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:44:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:44:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:44:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:44:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:44:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:44:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:44:12,329 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:44:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:44:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:44:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:44:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:44:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:44:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:44:12,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:44:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:44:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:44:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:44:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:44:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:44:12,331 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:44:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:44:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:44:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:44:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:44:12,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:44:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:44:12,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:44:16,606 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:44:16,606 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:44:16,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:16 BoogieIcfgContainer [2019-10-07 14:44:16,608 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:44:16,609 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:44:16,609 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:44:16,613 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:44:16,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:44:11" (1/3) ... [2019-10-07 14:44:16,614 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d00586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:16, skipping insertion in model container [2019-10-07 14:44:16,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:44:12" (2/3) ... [2019-10-07 14:44:16,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d00586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:44:16, skipping insertion in model container [2019-10-07 14:44:16,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:44:16" (3/3) ... [2019-10-07 14:44:16,617 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2019-10-07 14:44:16,628 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:44:16,642 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:44:16,655 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:44:16,699 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:44:16,699 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:44:16,699 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:44:16,699 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:44:16,700 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:44:16,700 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:44:16,700 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:44:16,700 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:44:16,735 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2019-10-07 14:44:16,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 14:44:16,766 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:16,767 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 14:44:16,770 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:16,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:16,779 INFO L82 PathProgramCache]: Analyzing trace with hash -446690013, now seen corresponding path program 1 times [2019-10-07 14:44:16,790 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:16,790 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:16,790 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:16,791 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:16,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:17,402 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 14:44:17,403 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:17,412 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:17,412 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:44:17,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:44:17,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:44:17,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:44:17,438 INFO L87 Difference]: Start difference. First operand 356 states. Second operand 2 states. [2019-10-07 14:44:17,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:17,537 INFO L93 Difference]: Finished difference Result 463 states and 558 transitions. [2019-10-07 14:44:17,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:44:17,539 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-07 14:44:17,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:17,577 INFO L225 Difference]: With dead ends: 463 [2019-10-07 14:44:17,578 INFO L226 Difference]: Without dead ends: 310 [2019-10-07 14:44:17,589 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 14:44:17,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-10-07 14:44:17,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2019-10-07 14:44:17,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-07 14:44:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 370 transitions. [2019-10-07 14:44:17,713 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 370 transitions. Word has length 121 [2019-10-07 14:44:17,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:17,715 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 370 transitions. [2019-10-07 14:44:17,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:44:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 370 transitions. [2019-10-07 14:44:17,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 14:44:17,721 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:17,721 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 14:44:17,722 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:17,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:17,723 INFO L82 PathProgramCache]: Analyzing trace with hash 417944122, now seen corresponding path program 1 times [2019-10-07 14:44:17,723 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:17,723 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:17,723 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:17,724 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:17,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:18,115 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 14:44:18,116 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,117 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:18,117 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:18,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:18,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:18,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:18,122 INFO L87 Difference]: Start difference. First operand 310 states and 370 transitions. Second operand 3 states. [2019-10-07 14:44:18,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:18,172 INFO L93 Difference]: Finished difference Result 448 states and 527 transitions. [2019-10-07 14:44:18,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:18,173 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-07 14:44:18,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:18,178 INFO L225 Difference]: With dead ends: 448 [2019-10-07 14:44:18,178 INFO L226 Difference]: Without dead ends: 312 [2019-10-07 14:44:18,183 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 14:44:18,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2019-10-07 14:44:18,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2019-10-07 14:44:18,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-10-07 14:44:18,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 372 transitions. [2019-10-07 14:44:18,217 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 372 transitions. Word has length 122 [2019-10-07 14:44:18,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:18,218 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 372 transitions. [2019-10-07 14:44:18,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:18,218 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 372 transitions. [2019-10-07 14:44:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-07 14:44:18,225 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:18,226 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] [2019-10-07 14:44:18,226 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:18,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:18,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1627506239, now seen corresponding path program 1 times [2019-10-07 14:44:18,226 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:18,227 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,227 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,227 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:18,431 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 14:44:18,431 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,431 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:44:18,432 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:44:18,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:44:18,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:44:18,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:44:18,434 INFO L87 Difference]: Start difference. First operand 312 states and 372 transitions. Second operand 3 states. [2019-10-07 14:44:18,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:44:18,485 INFO L93 Difference]: Finished difference Result 606 states and 751 transitions. [2019-10-07 14:44:18,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:44:18,486 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-07 14:44:18,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:44:18,491 INFO L225 Difference]: With dead ends: 606 [2019-10-07 14:44:18,492 INFO L226 Difference]: Without dead ends: 352 [2019-10-07 14:44:18,494 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 14:44:18,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2019-10-07 14:44:18,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 351. [2019-10-07 14:44:18,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-10-07 14:44:18,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 440 transitions. [2019-10-07 14:44:18,531 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 440 transitions. Word has length 127 [2019-10-07 14:44:18,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:44:18,533 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 440 transitions. [2019-10-07 14:44:18,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:44:18,534 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 440 transitions. [2019-10-07 14:44:18,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 14:44:18,542 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:44:18,542 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] [2019-10-07 14:44:18,542 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:44:18,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:44:18,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1510017331, now seen corresponding path program 1 times [2019-10-07 14:44:18,544 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:44:18,544 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,544 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,544 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:44:18,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:44:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:18,852 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 14:44:18,852 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:44:18,852 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:44:18,852 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 14:44:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:44:19,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 2410 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:44:19,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:44:19,505 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 14:44:19,505 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:44:19,672 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 14:44:19,672 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:44:19,706 INFO L162 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-10-07 14:44:19,707 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:44:19,714 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:44:19,730 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:44:19,731 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:44:53,784 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:44:57,137 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 279 DAG size of output: 227 [2019-10-07 14:44:57,472 WARN L191 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 692 [2019-10-07 14:44:57,768 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 692 [2019-10-07 14:44:57,987 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 692 [2019-10-07 14:44:58,160 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:44:58,780 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:44:59,396 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:00,033 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:00,212 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:45:00,797 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:01,927 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 987 DAG size of output: 985 [2019-10-07 14:45:02,495 WARN L191 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:02,633 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:45:03,224 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:03,782 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:04,338 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:04,478 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:45:05,035 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 985 [2019-10-07 14:45:05,066 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 544 for LOIs [2019-10-07 14:45:05,387 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 625 [2019-10-07 14:45:05,606 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2019-10-07 14:45:06,043 WARN L191 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 918 [2019-10-07 14:45:06,045 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1028 for LOIs [2019-10-07 14:45:06,590 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:07,130 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:07,358 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:08,244 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:08,807 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:09,354 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:09,577 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:10,448 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:11,041 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:11,580 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:11,815 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:12,672 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:13,599 WARN L191 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 1203 DAG size of output: 1028 [2019-10-07 14:45:14,139 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:14,614 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:15,500 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:16,078 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:16,613 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:16,841 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:17,704 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:18,239 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:18,788 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:19,039 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:19,892 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:20,431 WARN L191 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:20,965 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:21,188 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:22,055 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:22,586 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:23,122 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:23,381 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:24,238 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:24,775 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:25,313 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:25,531 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:26,391 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:26,921 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:27,457 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:27,675 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:28,536 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:29,073 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:29,612 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:29,830 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:30,676 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:31,218 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:31,757 WARN L191 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:31,972 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:32,831 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:33,363 WARN L191 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:33,902 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 1028 [2019-10-07 14:45:34,118 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:34,974 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:35,978 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:36,839 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:37,069 WARN L191 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:37,930 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:39,745 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 14:45:40,593 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:40,896 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:41,751 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:42,606 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:43,470 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:43,687 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:45:44,539 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:45:45,435 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 14:45:46,287 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 14:45:46,510 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:45:47,370 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:45:48,265 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:45:49,131 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:45:49,362 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:45:50,223 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:45:51,790 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1203 [2019-10-07 14:45:52,653 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 14:45:52,875 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:45:53,738 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:45:54,598 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 14:45:55,459 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 14:45:55,690 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:45:56,550 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:45:57,406 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:45:58,261 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:45:58,497 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:45:59,363 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:46:01,553 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 14:46:02,414 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:02,641 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:46:03,495 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:05,063 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 14:46:05,921 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:06,167 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:46:07,026 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:07,889 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:08,747 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:08,964 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:46:09,820 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:12,226 WARN L191 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 14:46:13,083 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:13,307 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:46:14,149 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:15,695 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 14:46:16,540 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:16,762 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:46:17,613 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:18,459 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:19,310 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:19,525 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2019-10-07 14:46:20,377 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:46:21,264 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:46:22,121 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:46:22,353 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:46:23,207 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:46:24,772 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1203 [2019-10-07 14:46:25,637 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 14:46:25,860 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:46:26,701 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:46:28,224 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1203 [2019-10-07 14:46:29,065 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 14:46:29,280 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:46:30,120 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:46:31,662 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1212 DAG size of output: 1205 [2019-10-07 14:46:32,511 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:46:32,737 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:46:33,582 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:46:35,035 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1214 DAG size of output: 1207 [2019-10-07 14:46:35,884 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:46:36,107 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2019-10-07 14:46:36,952 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:46:37,211 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:46:37,213 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 14:46:37,218 INFO L168 Benchmark]: Toolchain (without parser) took 146205.58 ms. Allocated memory was 136.3 MB in the beginning and 771.8 MB in the end (delta: 635.4 MB). Free memory was 98.0 MB in the beginning and 411.2 MB in the end (delta: -313.2 MB). Peak memory consumption was 322.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:37,219 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:46:37,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1024.82 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 97.8 MB in the beginning and 137.1 MB in the end (delta: -39.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:37,220 INFO L168 Benchmark]: Boogie Preprocessor took 164.96 ms. Allocated memory is still 199.8 MB. Free memory was 137.1 MB in the beginning and 128.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:37,221 INFO L168 Benchmark]: RCFGBuilder took 4404.22 ms. Allocated memory was 199.8 MB in the beginning and 313.5 MB in the end (delta: 113.8 MB). Free memory was 128.2 MB in the beginning and 152.3 MB in the end (delta: -24.1 MB). Peak memory consumption was 111.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:37,221 INFO L168 Benchmark]: TraceAbstraction took 140607.23 ms. Allocated memory was 313.5 MB in the beginning and 771.8 MB in the end (delta: 458.2 MB). Free memory was 152.3 MB in the beginning and 411.2 MB in the end (delta: -259.0 MB). Peak memory consumption was 199.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:37,226 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1024.82 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 97.8 MB in the beginning and 137.1 MB in the end (delta: -39.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 164.96 ms. Allocated memory is still 199.8 MB. Free memory was 137.1 MB in the beginning and 128.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4404.22 ms. Allocated memory was 199.8 MB in the beginning and 313.5 MB in the end (delta: 113.8 MB). Free memory was 128.2 MB in the beginning and 152.3 MB in the end (delta: -24.1 MB). Peak memory consumption was 111.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 140607.23 ms. Allocated memory was 313.5 MB in the beginning and 771.8 MB in the end (delta: 458.2 MB). Free memory was 152.3 MB in the beginning and 411.2 MB in the end (delta: -259.0 MB). Peak memory consumption was 199.3 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...