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_spec9_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:13:03,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:13:03,104 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:13:03,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:13:03,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:13:03,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:13:03,124 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:13:03,133 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:13:03,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:13:03,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:13:03,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:13:03,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:13:03,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:13:03,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:13:03,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:13:03,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:13:03,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:13:03,151 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:13:03,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:13:03,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:13:03,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:13:03,165 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:13:03,168 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:13:03,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:13:03,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:13:03,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:13:03,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:13:03,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:13:03,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:13:03,175 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:13:03,175 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:13:03,176 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:13:03,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:13:03,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:13:03,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:13:03,178 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:13:03,179 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:13:03,179 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:13:03,179 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:13:03,180 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:13:03,181 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:13:03,183 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 15:13:03,198 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:13:03,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:13:03,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:13:03,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:13:03,199 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:13:03,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:13:03,200 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:13:03,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:13:03,200 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:13:03,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:13:03,201 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:13:03,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:13:03,201 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:13:03,201 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:13:03,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:13:03,202 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:13:03,202 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:13:03,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:13:03,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:13:03,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:13:03,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:13:03,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:13:03,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:13:03,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:13:03,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:13:03,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:13:03,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:13:03,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:13:03,204 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 15:13:03,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:13:03,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:13:03,478 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:13:03,479 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:13:03,479 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:13:03,480 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product30.cil.c [2019-10-07 15:13:03,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e94976c/3d3c2d659bb44ab7b8f2f1666f282cc8/FLAG20b9bd85b [2019-10-07 15:13:04,182 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:13:04,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product30.cil.c [2019-10-07 15:13:04,202 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e94976c/3d3c2d659bb44ab7b8f2f1666f282cc8/FLAG20b9bd85b [2019-10-07 15:13:04,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64e94976c/3d3c2d659bb44ab7b8f2f1666f282cc8 [2019-10-07 15:13:04,392 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:13:04,393 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:13:04,394 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:13:04,394 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:13:04,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:13:04,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:13:04" (1/1) ... [2019-10-07 15:13:04,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4626f4a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:04, skipping insertion in model container [2019-10-07 15:13:04,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:13:04" (1/1) ... [2019-10-07 15:13:04,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:13:04,497 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:13:05,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:13:05,231 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:13:05,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:13:05,469 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:13:05,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05 WrapperNode [2019-10-07 15:13:05,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:13:05,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:13:05,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:13:05,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:13:05,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05" (1/1) ... [2019-10-07 15:13:05,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05" (1/1) ... [2019-10-07 15:13:05,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05" (1/1) ... [2019-10-07 15:13:05,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05" (1/1) ... [2019-10-07 15:13:05,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05" (1/1) ... [2019-10-07 15:13:05,633 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05" (1/1) ... [2019-10-07 15:13:05,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05" (1/1) ... [2019-10-07 15:13:05,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:13:05,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:13:05,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:13:05,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:13:05,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05" (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 15:13:05,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:13:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:13:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:13:05,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:13:05,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:13:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:13:05,791 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:13:05,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:13:05,792 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:13:05,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:13:05,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:13:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:13:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:13:05,794 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:13:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:13:05,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:13:05,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:13:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:13:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:13:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:13:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:13:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:13:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:13:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:13:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:13:05,799 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:13:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:13:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:13:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 15:13:05,800 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:13:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:13:05,802 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:13:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:13:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:13:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:13:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:13:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:13:05,803 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:13:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:13:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:13:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:13:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:13:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:13:05,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:13:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 15:13:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 15:13:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:13:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:13:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:13:05,805 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:13:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:13:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:13:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:13:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:13:05,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:13:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:13:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:13:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:13:05,807 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:13:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:13:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:13:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:13:05,808 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:13:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:13:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:13:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:13:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:13:05,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:13:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:13:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:13:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:13:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:13:05,810 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:13:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:13:05,811 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:13:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:13:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:13:05,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:13:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:13:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:13:05,813 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:13:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:13:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:13:05,814 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:13:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:13:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:13:05,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:13:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:13:05,816 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:13:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:13:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:13:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:13:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:13:05,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:13:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:13:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:13:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:13:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:13:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:13:05,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:13:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:13:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:13:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:13:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:13:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:13:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:13:05,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:13:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:13:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:13:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:13:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:13:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:13:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:13:05,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:13:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:13:05,821 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:13:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:13:05,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:13:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:13:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:13:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:13:05,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:13:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:13:05,823 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:13:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:13:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:13:05,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:13:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:13:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:13:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:13:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:13:05,825 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:13:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:13:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:13:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:13:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:13:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:13:05,830 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:13:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:13:05,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:13:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:13:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:13:05,832 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:13:05,833 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:13:05,841 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:13:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:13:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:13:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:13:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:13:05,842 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:13:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:13:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:13:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:13:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:13:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:13:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:13:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:13:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:13:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:13:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:13:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:13:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:13:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:13:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:13:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:13:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:13:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:13:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:13:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:13:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:13:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:13:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:13:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:13:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:13:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:13:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:13:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:13:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:13:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:13:05,846 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:13:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:13:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:13:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:13:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:13:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:13:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:13:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:13:05,847 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:13:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-07 15:13:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:13:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:13:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 15:13:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:13:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:13:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-07 15:13:05,848 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:13:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:13:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:13:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:13:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:13:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 15:13:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 15:13:05,849 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:13:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:13:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:13:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:13:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:13:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:13:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:13:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:13:05,850 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:13:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:13:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:13:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:13:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:13:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:13:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:13:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:13:05,851 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:13:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:13:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:13:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:13:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:13:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:13:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:13:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:13:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:13:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:13:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:13:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:13:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:13:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:13:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:13:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:13:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:13:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:13:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:13:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:13:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:13:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:13:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:13:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:13:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:13:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:13:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:13:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:13:05,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:13:10,297 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:13:10,298 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:13:10,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:13:10 BoogieIcfgContainer [2019-10-07 15:13:10,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:13:10,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:13:10,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:13:10,306 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:13:10,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:13:04" (1/3) ... [2019-10-07 15:13:10,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ddd5fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:13:10, skipping insertion in model container [2019-10-07 15:13:10,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:13:05" (2/3) ... [2019-10-07 15:13:10,307 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ddd5fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:13:10, skipping insertion in model container [2019-10-07 15:13:10,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:13:10" (3/3) ... [2019-10-07 15:13:10,309 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product30.cil.c [2019-10-07 15:13:10,320 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:13:10,338 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:13:10,349 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:13:10,397 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:13:10,397 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:13:10,397 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:13:10,398 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:13:10,398 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:13:10,398 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:13:10,398 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:13:10,398 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:13:10,422 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states. [2019-10-07 15:13:10,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 15:13:10,438 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:10,439 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, 1, 1, 1] [2019-10-07 15:13:10,441 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:10,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:10,447 INFO L82 PathProgramCache]: Analyzing trace with hash 340420196, now seen corresponding path program 1 times [2019-10-07 15:13:10,456 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:10,456 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:10,456 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:10,457 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:10,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:11,003 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 15:13:11,004 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:11,004 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:11,005 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:13:11,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:13:11,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:13:11,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:13:11,024 INFO L87 Difference]: Start difference. First operand 402 states. Second operand 2 states. [2019-10-07 15:13:11,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:11,100 INFO L93 Difference]: Finished difference Result 570 states and 674 transitions. [2019-10-07 15:13:11,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:13:11,102 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-07 15:13:11,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:11,133 INFO L225 Difference]: With dead ends: 570 [2019-10-07 15:13:11,134 INFO L226 Difference]: Without dead ends: 360 [2019-10-07 15:13:11,145 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 15:13:11,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2019-10-07 15:13:11,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2019-10-07 15:13:11,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-10-07 15:13:11,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2019-10-07 15:13:11,232 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 125 [2019-10-07 15:13:11,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:11,234 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2019-10-07 15:13:11,234 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:13:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2019-10-07 15:13:11,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-07 15:13:11,239 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:11,240 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, 1, 1, 1, 1] [2019-10-07 15:13:11,240 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:11,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:11,241 INFO L82 PathProgramCache]: Analyzing trace with hash 307803979, now seen corresponding path program 1 times [2019-10-07 15:13:11,241 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:11,241 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:11,241 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:11,241 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:11,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:11,468 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 15:13:11,468 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:11,469 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:11,469 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:11,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:11,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:11,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:11,477 INFO L87 Difference]: Start difference. First operand 360 states and 425 transitions. Second operand 3 states. [2019-10-07 15:13:11,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:11,524 INFO L93 Difference]: Finished difference Result 555 states and 645 transitions. [2019-10-07 15:13:11,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:11,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-07 15:13:11,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:11,529 INFO L225 Difference]: With dead ends: 555 [2019-10-07 15:13:11,529 INFO L226 Difference]: Without dead ends: 362 [2019-10-07 15:13:11,531 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 15:13:11,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-10-07 15:13:11,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2019-10-07 15:13:11,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2019-10-07 15:13:11,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 427 transitions. [2019-10-07 15:13:11,623 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 427 transitions. Word has length 126 [2019-10-07 15:13:11,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:11,623 INFO L462 AbstractCegarLoop]: Abstraction has 362 states and 427 transitions. [2019-10-07 15:13:11,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:11,624 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 427 transitions. [2019-10-07 15:13:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 15:13:11,628 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:11,628 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 15:13:11,629 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:11,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:11,629 INFO L82 PathProgramCache]: Analyzing trace with hash 797189149, now seen corresponding path program 1 times [2019-10-07 15:13:11,629 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:11,630 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:11,630 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:11,630 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:11,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:11,868 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 15:13:11,868 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:11,868 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:11,869 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:11,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:11,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:11,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:11,872 INFO L87 Difference]: Start difference. First operand 362 states and 427 transitions. Second operand 3 states. [2019-10-07 15:13:11,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:11,926 INFO L93 Difference]: Finished difference Result 706 states and 861 transitions. [2019-10-07 15:13:11,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:11,927 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-07 15:13:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:11,932 INFO L225 Difference]: With dead ends: 706 [2019-10-07 15:13:11,932 INFO L226 Difference]: Without dead ends: 402 [2019-10-07 15:13:11,933 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 15:13:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-07 15:13:11,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 401. [2019-10-07 15:13:11,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-10-07 15:13:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 495 transitions. [2019-10-07 15:13:11,987 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 495 transitions. Word has length 135 [2019-10-07 15:13:11,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:11,988 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 495 transitions. [2019-10-07 15:13:11,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:11,988 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 495 transitions. [2019-10-07 15:13:11,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-07 15:13:11,993 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:11,994 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:11,994 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:11,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:11,996 INFO L82 PathProgramCache]: Analyzing trace with hash 609885719, now seen corresponding path program 1 times [2019-10-07 15:13:11,996 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:11,996 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:11,996 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:11,997 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:11,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:12,212 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 15:13:12,212 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:12,213 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:12,213 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:12,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:12,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:12,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:12,217 INFO L87 Difference]: Start difference. First operand 401 states and 495 transitions. Second operand 3 states. [2019-10-07 15:13:12,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:12,268 INFO L93 Difference]: Finished difference Result 820 states and 1060 transitions. [2019-10-07 15:13:12,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:12,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-10-07 15:13:12,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:12,276 INFO L225 Difference]: With dead ends: 820 [2019-10-07 15:13:12,277 INFO L226 Difference]: Without dead ends: 477 [2019-10-07 15:13:12,278 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 15:13:12,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-10-07 15:13:12,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2019-10-07 15:13:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-10-07 15:13:12,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 625 transitions. [2019-10-07 15:13:12,321 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 625 transitions. Word has length 136 [2019-10-07 15:13:12,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:12,322 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 625 transitions. [2019-10-07 15:13:12,322 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:12,323 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 625 transitions. [2019-10-07 15:13:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-07 15:13:12,329 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:12,330 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:12,330 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:12,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:12,331 INFO L82 PathProgramCache]: Analyzing trace with hash -517723294, now seen corresponding path program 1 times [2019-10-07 15:13:12,331 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:12,331 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:12,332 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:12,332 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:12,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:12,604 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:13:12,605 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:12,605 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:13:12,605 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:13:12,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:13:12,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:13:12,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:13:12,607 INFO L87 Difference]: Start difference. First operand 476 states and 625 transitions. Second operand 3 states. [2019-10-07 15:13:12,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:13:12,666 INFO L93 Difference]: Finished difference Result 719 states and 903 transitions. [2019-10-07 15:13:12,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:13:12,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-10-07 15:13:12,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:13:12,671 INFO L225 Difference]: With dead ends: 719 [2019-10-07 15:13:12,671 INFO L226 Difference]: Without dead ends: 527 [2019-10-07 15:13:12,673 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 15:13:12,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2019-10-07 15:13:12,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2019-10-07 15:13:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2019-10-07 15:13:12,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 675 transitions. [2019-10-07 15:13:12,765 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 675 transitions. Word has length 139 [2019-10-07 15:13:12,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:13:12,766 INFO L462 AbstractCegarLoop]: Abstraction has 527 states and 675 transitions. [2019-10-07 15:13:12,766 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:13:12,766 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 675 transitions. [2019-10-07 15:13:12,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-07 15:13:12,772 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:13:12,772 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:13:12,773 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:13:12,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:13:12,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1882229267, now seen corresponding path program 1 times [2019-10-07 15:13:12,773 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:13:12,773 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:12,774 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:12,774 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:13:12,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:13:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:13,725 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:13:13,725 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:13:13,725 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:13:13,726 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 15:13:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:13:14,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:13:14,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:13:14,634 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 15:13:14,635 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:13:15,181 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:13:15,182 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:13:15,228 INFO L162 IcfgInterpreter]: Started Sifa with 202 locations of interest [2019-10-07 15:13:15,229 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:13:15,236 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:13:15,244 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:13:15,244 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:14:22,472 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 711 [2019-10-07 15:14:26,509 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2019-10-07 15:14:26,862 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 750 [2019-10-07 15:14:27,282 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 750 [2019-10-07 15:14:27,694 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 750 [2019-10-07 15:14:27,940 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:28,624 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 15:14:29,312 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 15:14:29,959 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 15:14:30,120 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:30,783 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 15:14:32,062 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1054 DAG size of output: 1052 [2019-10-07 15:14:32,700 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 15:14:32,871 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:33,525 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 15:14:34,186 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 15:14:34,801 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 15:14:34,943 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:35,581 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1052 [2019-10-07 15:14:35,611 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 574 for LOIs [2019-10-07 15:14:36,023 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:14:36,132 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:14:36,260 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2019-10-07 15:14:36,763 WARN L191 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 977 [2019-10-07 15:14:36,764 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1092 for LOIs [2019-10-07 15:14:37,369 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:38,008 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:38,220 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:39,112 WARN L191 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:14:39,735 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:40,356 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:40,566 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:41,426 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:14:42,124 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:42,726 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:42,943 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:43,813 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:14:44,845 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1234 DAG size of output: 1092 [2019-10-07 15:14:45,453 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:46,000 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 591 [2019-10-07 15:14:46,874 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:14:47,496 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:48,119 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:48,331 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:49,212 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:14:49,815 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:50,421 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:50,659 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:51,537 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:14:52,147 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:52,754 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:52,964 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:53,847 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:14:54,454 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:55,057 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:55,261 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:56,134 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:14:56,740 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:57,363 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:57,572 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:14:58,452 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:14:59,064 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:59,674 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:14:59,881 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:00,759 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:01,366 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:15:02,005 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:15:02,210 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:03,075 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:03,700 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:15:04,310 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:15:04,518 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:05,393 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:06,002 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:15:06,606 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1092 [2019-10-07 15:15:06,815 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:07,693 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:08,691 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:09,566 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:09,788 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:10,658 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:12,262 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1234 DAG size of output: 1232 [2019-10-07 15:15:13,143 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:13,363 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:14,247 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:15,125 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:16,019 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:16,225 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:17,101 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:18,043 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2019-10-07 15:15:18,939 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2019-10-07 15:15:19,156 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:20,036 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:20,937 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:21,833 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:22,047 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:22,933 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:24,462 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1238 DAG size of output: 1234 [2019-10-07 15:15:25,345 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2019-10-07 15:15:25,555 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:26,444 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:28,163 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 1234 [2019-10-07 15:15:29,066 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2019-10-07 15:15:29,275 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:30,156 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:31,037 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:31,912 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:32,132 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:33,012 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 15:15:34,656 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1234 DAG size of output: 1232 [2019-10-07 15:15:35,532 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:35,748 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:36,623 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:39,084 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1234 DAG size of output: 1232 [2019-10-07 15:15:39,969 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:40,187 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:41,058 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:41,934 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:42,809 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:43,013 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:43,879 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:45,511 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1234 DAG size of output: 1232 [2019-10-07 15:15:46,381 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:46,593 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:47,460 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:49,048 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1234 DAG size of output: 1232 [2019-10-07 15:15:49,928 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:50,144 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:51,018 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:51,889 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:52,762 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:52,965 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 15:15:53,837 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1232 [2019-10-07 15:15:54,753 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:55,634 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:55,846 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:56,730 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:57,630 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:58,517 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:15:58,736 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:15:59,624 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:16:00,530 WARN L191 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:16:01,417 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:16:01,624 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:16:02,515 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:16:04,052 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1236 [2019-10-07 15:16:04,941 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:16:05,179 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:16:06,066 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1236 [2019-10-07 15:16:07,693 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1245 DAG size of output: 1238 [2019-10-07 15:16:08,586 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 15:16:08,803 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 594 [2019-10-07 15:16:09,691 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1238 [2019-10-07 15:16:09,960 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:16:09,961 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 15:16:09,967 INFO L168 Benchmark]: Toolchain (without parser) took 185574.15 ms. Allocated memory was 146.3 MB in the beginning and 792.7 MB in the end (delta: 646.4 MB). Free memory was 100.3 MB in the beginning and 226.7 MB in the end (delta: -126.4 MB). Peak memory consumption was 520.1 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,968 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,969 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1075.64 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 100.1 MB in the beginning and 140.0 MB in the end (delta: -40.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,969 INFO L168 Benchmark]: Boogie Preprocessor took 215.55 ms. Allocated memory is still 205.5 MB. Free memory was 140.0 MB in the beginning and 131.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,970 INFO L168 Benchmark]: RCFGBuilder took 4612.93 ms. Allocated memory was 205.5 MB in the beginning and 289.4 MB in the end (delta: 83.9 MB). Free memory was 131.0 MB in the beginning and 219.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 134.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,971 INFO L168 Benchmark]: TraceAbstraction took 179663.03 ms. Allocated memory was 289.4 MB in the beginning and 792.7 MB in the end (delta: 503.3 MB). Free memory was 219.8 MB in the beginning and 226.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 496.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:16:09,974 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1075.64 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 100.1 MB in the beginning and 140.0 MB in the end (delta: -40.0 MB). Peak memory consumption was 31.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 215.55 ms. Allocated memory is still 205.5 MB. Free memory was 140.0 MB in the beginning and 131.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4612.93 ms. Allocated memory was 205.5 MB in the beginning and 289.4 MB in the end (delta: 83.9 MB). Free memory was 131.0 MB in the beginning and 219.8 MB in the end (delta: -88.8 MB). Peak memory consumption was 134.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 179663.03 ms. Allocated memory was 289.4 MB in the beginning and 792.7 MB in the end (delta: 503.3 MB). Free memory was 219.8 MB in the beginning and 226.7 MB in the end (delta: -6.8 MB). Peak memory consumption was 496.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...