java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:40:41,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:40:41,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:40:41,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:40:41,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:40:41,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:40:41,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:40:41,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:40:41,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:40:41,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:40:41,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:40:41,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:40:41,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:40:41,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:40:41,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:40:41,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:40:41,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:40:41,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:40:41,558 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:40:41,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:40:41,561 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:40:41,562 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:40:41,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:40:41,564 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:40:41,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:40:41,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:40:41,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:40:41,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:40:41,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:40:41,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:40:41,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:40:41,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:40:41,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:40:41,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:40:41,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:40:41,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:40:41,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:40:41,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:40:41,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:40:41,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:40:41,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:40:41,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:40:41,590 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:40:41,590 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:40:41,591 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:40:41,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:40:41,592 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:40:41,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:40:41,592 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:40:41,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:40:41,593 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:40:41,593 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:40:41,593 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:40:41,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:40:41,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:40:41,594 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:40:41,594 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:40:41,594 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:40:41,594 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:40:41,594 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:40:41,595 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:40:41,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:40:41,595 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:40:41,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:41,595 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:40:41,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:40:41,596 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:40:41,596 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:40:41,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:40:41,596 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:40:41,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:40:41,868 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:40:41,889 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:40:41,893 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:40:41,894 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:40:41,894 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:40:41,895 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c [2019-10-07 14:40:41,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117cf2f1c/5bbcd60b0bb0472b99e4c922ab069fe4/FLAGfd82d1e2d [2019-10-07 14:40:42,614 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:40:42,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c [2019-10-07 14:40:42,638 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117cf2f1c/5bbcd60b0bb0472b99e4c922ab069fe4/FLAGfd82d1e2d [2019-10-07 14:40:42,813 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/117cf2f1c/5bbcd60b0bb0472b99e4c922ab069fe4 [2019-10-07 14:40:42,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:40:42,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:40:42,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:42,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:40:42,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:40:42,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:42" (1/1) ... [2019-10-07 14:40:42,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766161ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:42, skipping insertion in model container [2019-10-07 14:40:42,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:42" (1/1) ... [2019-10-07 14:40:42,837 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:40:42,906 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:40:43,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:43,616 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:40:43,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:43,877 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:40:43,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43 WrapperNode [2019-10-07 14:40:43,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:43,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:40:43,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:40:43,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:40:43,893 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43" (1/1) ... [2019-10-07 14:40:43,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43" (1/1) ... [2019-10-07 14:40:43,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43" (1/1) ... [2019-10-07 14:40:43,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43" (1/1) ... [2019-10-07 14:40:44,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43" (1/1) ... [2019-10-07 14:40:44,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43" (1/1) ... [2019-10-07 14:40:44,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43" (1/1) ... [2019-10-07 14:40:44,097 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:40:44,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:40:44,098 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:40:44,098 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:40:44,099 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:40:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:40:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:44,189 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:40:44,190 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:40:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:40:44,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:40:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:40:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:40:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:40:44,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:40:44,193 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:40:44,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:40:44,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:44,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:44,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:44,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:40:44,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:40:44,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:40:44,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:44,197 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:40:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:40:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:40:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:40:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:40:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:40:44,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:40:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:40:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:40:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:40:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:40:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:40:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:40:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:40:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:40:44,200 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:40:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:40:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:40:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:40:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:40:44,201 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:40:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:40:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:40:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:40:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:40:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:40:44,202 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:40:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:40:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:40:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:40:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:40:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:40:44,203 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:40:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:40:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:40:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:40:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:40:44,204 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:40:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:40:44,205 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:40:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:40:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:40:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:40:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:40:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:40:44,206 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:40:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:40:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:40:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:40:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:40:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:40:44,207 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:40:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:40:44,208 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:40:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:40:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:40:44,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:40:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:40:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:40:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:40:44,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:40:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:40:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:40:44,211 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:40:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:40:44,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:40:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:40:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:40:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:40:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:40:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:40:44,213 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:40:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:40:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:40:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:40:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:40:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:40:44,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:40:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:40:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:40:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:40:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:40:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:40:44,215 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:40:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:40:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:40:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:40:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:40:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:40:44,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:40:44,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:40:44,217 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:40:44,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:40:44,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:40:44,217 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:40:44,218 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:40:44,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:40:44,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:40:44,219 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:40:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:40:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:40:44,219 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:40:44,220 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:40:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:40:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:40:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:40:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:40:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:40:44,221 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:40:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:40:44,222 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:40:44,223 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:40:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:40:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:40:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:40:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:40:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:40:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:40:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:40:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:40:44,228 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:40:44,229 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:40:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:40:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:40:44,236 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:40:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:40:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:40:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:40:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:40:44,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:40:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:40:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:40:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:40:44,238 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:40:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:40:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:40:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:40:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:40:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:40:44,239 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:40:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:40:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:40:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:40:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:40:44,240 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:40:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:40:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:40:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:40:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:40:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:40:44,241 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:40:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:40:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:40:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:40:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:40:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:40:44,242 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:40:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:40:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:40:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:40:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:40:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:40:44,243 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:40:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:40:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:40:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:40:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:40:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:40:44,244 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:40:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:40:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:40:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:40:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:40:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:40:44,245 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:40:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:40:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:40:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:40:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:40:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:40:44,246 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:40:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:40:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:40:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:40:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:40:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:40:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:40:44,247 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:40:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:40:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:40:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:40:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:40:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:40:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:40:44,248 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:40:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:40:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:40:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:40:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:40:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:40:44,249 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:40:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:40:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:40:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:40:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:40:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:40:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:40:44,250 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:40:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:40:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:40:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:40:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:40:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:40:44,251 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:40:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:40:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:40:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:40:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:40:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:40:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:44,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:40:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:40:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:40:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:40:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:40:44,253 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:40:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:40:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:40:44,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:40:48,615 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:40:48,616 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:40:48,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:48 BoogieIcfgContainer [2019-10-07 14:40:48,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:40:48,619 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:40:48,619 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:40:48,622 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:40:48,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:40:42" (1/3) ... [2019-10-07 14:40:48,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2e3ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:48, skipping insertion in model container [2019-10-07 14:40:48,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:43" (2/3) ... [2019-10-07 14:40:48,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a2e3ba4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:48, skipping insertion in model container [2019-10-07 14:40:48,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:48" (3/3) ... [2019-10-07 14:40:48,626 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product35.cil.c [2019-10-07 14:40:48,637 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:40:48,648 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:40:48,662 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:40:48,705 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:40:48,705 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:40:48,705 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:40:48,706 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:40:48,706 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:40:48,706 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:40:48,706 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:40:48,706 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:40:48,745 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states. [2019-10-07 14:40:48,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-07 14:40:48,776 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:48,778 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:40:48,780 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:48,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:48,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1088841059, now seen corresponding path program 1 times [2019-10-07 14:40:48,795 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:48,796 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:48,796 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:48,796 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:48,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:49,526 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:49,526 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:49,527 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:49,527 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:40:49,532 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:40:49,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:40:49,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:40:49,549 INFO L87 Difference]: Start difference. First operand 476 states. Second operand 2 states. [2019-10-07 14:40:49,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:49,646 INFO L93 Difference]: Finished difference Result 727 states and 869 transitions. [2019-10-07 14:40:49,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:40:49,648 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 193 [2019-10-07 14:40:49,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:49,668 INFO L225 Difference]: With dead ends: 727 [2019-10-07 14:40:49,668 INFO L226 Difference]: Without dead ends: 449 [2019-10-07 14:40:49,675 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:40:49,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-07 14:40:49,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2019-10-07 14:40:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-10-07 14:40:49,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 530 transitions. [2019-10-07 14:40:49,785 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 530 transitions. Word has length 193 [2019-10-07 14:40:49,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:49,787 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 530 transitions. [2019-10-07 14:40:49,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:40:49,788 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 530 transitions. [2019-10-07 14:40:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-07 14:40:49,793 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:49,794 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:40:49,794 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:49,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:49,795 INFO L82 PathProgramCache]: Analyzing trace with hash -985049886, now seen corresponding path program 1 times [2019-10-07 14:40:49,795 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:49,795 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:49,795 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:49,795 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:49,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:50,108 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:50,109 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:50,109 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:50,109 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:50,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:50,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:50,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:50,117 INFO L87 Difference]: Start difference. First operand 449 states and 530 transitions. Second operand 3 states. [2019-10-07 14:40:50,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:50,177 INFO L93 Difference]: Finished difference Result 712 states and 833 transitions. [2019-10-07 14:40:50,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:50,178 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-07 14:40:50,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:50,191 INFO L225 Difference]: With dead ends: 712 [2019-10-07 14:40:50,191 INFO L226 Difference]: Without dead ends: 451 [2019-10-07 14:40:50,196 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:50,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-10-07 14:40:50,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-10-07 14:40:50,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-07 14:40:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 532 transitions. [2019-10-07 14:40:50,250 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 532 transitions. Word has length 194 [2019-10-07 14:40:50,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:50,250 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 532 transitions. [2019-10-07 14:40:50,250 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 532 transitions. [2019-10-07 14:40:50,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-07 14:40:50,255 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:50,255 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1] [2019-10-07 14:40:50,256 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:50,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:50,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1167016068, now seen corresponding path program 1 times [2019-10-07 14:40:50,256 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:50,256 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:50,257 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:50,257 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:50,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:50,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:50,525 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:50,526 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:50,526 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:50,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:50,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:50,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:50,530 INFO L87 Difference]: Start difference. First operand 451 states and 532 transitions. Second operand 3 states. [2019-10-07 14:40:50,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:50,603 INFO L93 Difference]: Finished difference Result 888 states and 1077 transitions. [2019-10-07 14:40:50,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:50,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-07 14:40:50,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:50,612 INFO L225 Difference]: With dead ends: 888 [2019-10-07 14:40:50,613 INFO L226 Difference]: Without dead ends: 495 [2019-10-07 14:40:50,615 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:50,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-10-07 14:40:50,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 494. [2019-10-07 14:40:50,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-10-07 14:40:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 606 transitions. [2019-10-07 14:40:50,689 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 606 transitions. Word has length 206 [2019-10-07 14:40:50,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:50,692 INFO L462 AbstractCegarLoop]: Abstraction has 494 states and 606 transitions. [2019-10-07 14:40:50,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:50,692 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 606 transitions. [2019-10-07 14:40:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-07 14:40:50,702 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:50,703 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1] [2019-10-07 14:40:50,703 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:50,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:50,704 INFO L82 PathProgramCache]: Analyzing trace with hash 929601048, now seen corresponding path program 1 times [2019-10-07 14:40:50,704 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:50,706 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:50,706 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:50,706 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:50,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:50,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:51,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:40:51,656 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:51,656 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:40:51,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:40:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:52,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 3227 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:40:52,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:40:52,495 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:52,495 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:40:52,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:52,881 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:40:52,914 INFO L162 IcfgInterpreter]: Started Sifa with 182 locations of interest [2019-10-07 14:40:52,914 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:40:52,922 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:40:52,929 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:40:52,930 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:42:04,269 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 709 [2019-10-07 14:42:09,067 WARN L191 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 349 DAG size of output: 283 [2019-10-07 14:42:09,511 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 760 [2019-10-07 14:42:09,991 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 760 [2019-10-07 14:42:10,298 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 760 [2019-10-07 14:42:10,558 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:42:11,304 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:42:12,049 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:42:12,722 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:42:12,918 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:42:13,621 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:42:14,984 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1062 DAG size of output: 1060 [2019-10-07 14:42:15,633 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:42:15,785 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:42:16,414 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:42:17,092 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:42:17,739 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:42:17,862 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:42:18,486 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1060 [2019-10-07 14:42:18,517 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 571 for LOIs [2019-10-07 14:42:18,916 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2019-10-07 14:42:19,046 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2019-10-07 14:42:19,177 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:42:19,647 WARN L191 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 973 [2019-10-07 14:42:19,648 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1124 for LOIs [2019-10-07 14:42:20,281 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:20,906 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:21,243 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:22,312 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:22,943 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:23,565 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:23,837 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:24,900 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:25,618 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:26,244 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:26,775 WARN L191 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:27,883 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:28,861 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 1334 DAG size of output: 1124 [2019-10-07 14:42:29,478 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:29,772 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:30,808 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:31,445 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:32,063 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:32,325 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:33,373 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:33,992 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:34,614 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:34,877 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:35,922 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:36,538 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:37,169 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:37,434 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:38,478 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:39,093 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:39,713 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:39,996 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:41,029 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:41,647 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:42,265 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:42,521 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:43,552 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:44,175 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:44,795 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:45,047 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:46,090 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:46,707 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:47,324 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:47,586 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:48,618 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:49,234 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:49,855 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:50,109 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:51,147 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:51,767 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:52,384 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1124 [2019-10-07 14:42:52,640 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:53,683 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:54,822 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:55,868 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:56,136 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:42:57,176 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:42:59,298 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 1334 DAG size of output: 1332 [2019-10-07 14:43:00,344 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:00,610 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:43:01,653 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:02,691 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:03,739 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:03,996 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:43:05,038 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:06,134 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:07,181 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:07,445 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:43:08,498 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:10,393 WARN L191 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:11,438 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:11,704 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:43:12,754 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:13,808 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:14,864 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:15,124 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:43:16,175 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:17,926 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 1334 [2019-10-07 14:43:18,981 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1334 [2019-10-07 14:43:19,243 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:43:20,292 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:21,344 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:22,396 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:22,653 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:43:23,713 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:43:25,658 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1334 DAG size of output: 1332 [2019-10-07 14:43:26,706 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:26,970 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:43:28,003 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:30,842 WARN L191 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 1334 DAG size of output: 1332 [2019-10-07 14:43:31,889 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:32,156 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:43:33,201 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:34,244 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:35,299 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:35,553 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:43:36,591 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:38,522 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1334 DAG size of output: 1332 [2019-10-07 14:43:39,566 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:39,824 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:43:40,867 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:42,766 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1334 DAG size of output: 1332 [2019-10-07 14:43:43,816 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:44,083 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:43:45,125 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:46,159 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:47,201 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:47,453 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:43:48,499 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:43:49,587 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:50,638 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:50,901 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:43:51,949 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:53,039 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:54,092 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:54,358 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:43:55,403 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:56,450 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:57,511 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:43:57,767 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:43:58,813 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:44:00,624 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1343 DAG size of output: 1336 [2019-10-07 14:44:01,673 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:44:01,960 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:44:03,008 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1336 [2019-10-07 14:44:04,924 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1345 DAG size of output: 1338 [2019-10-07 14:44:05,972 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:44:06,257 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:44:07,299 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:44:07,552 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:44:07,553 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:44:07,560 INFO L168 Benchmark]: Toolchain (without parser) took 204737.08 ms. Allocated memory was 146.3 MB in the beginning and 659.0 MB in the end (delta: 512.8 MB). Free memory was 101.4 MB in the beginning and 106.3 MB in the end (delta: -4.9 MB). Peak memory consumption was 507.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:07,560 INFO L168 Benchmark]: CDTParser took 1.31 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 14:44:07,561 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1054.63 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 126.6 MB in the end (delta: -25.4 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:07,562 INFO L168 Benchmark]: Boogie Preprocessor took 218.75 ms. Allocated memory is still 204.5 MB. Free memory was 126.6 MB in the beginning and 117.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:07,562 INFO L168 Benchmark]: RCFGBuilder took 4520.76 ms. Allocated memory was 204.5 MB in the beginning and 291.5 MB in the end (delta: 87.0 MB). Free memory was 117.6 MB in the beginning and 210.6 MB in the end (delta: -93.0 MB). Peak memory consumption was 124.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:07,563 INFO L168 Benchmark]: TraceAbstraction took 198939.20 ms. Allocated memory was 291.5 MB in the beginning and 659.0 MB in the end (delta: 367.5 MB). Free memory was 210.6 MB in the beginning and 106.3 MB in the end (delta: 104.3 MB). Peak memory consumption was 471.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:44:07,566 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31 ms. Allocated memory is still 146.3 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1054.63 ms. Allocated memory was 146.3 MB in the beginning and 204.5 MB in the end (delta: 58.2 MB). Free memory was 101.2 MB in the beginning and 126.6 MB in the end (delta: -25.4 MB). Peak memory consumption was 40.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.75 ms. Allocated memory is still 204.5 MB. Free memory was 126.6 MB in the beginning and 117.6 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4520.76 ms. Allocated memory was 204.5 MB in the beginning and 291.5 MB in the end (delta: 87.0 MB). Free memory was 117.6 MB in the beginning and 210.6 MB in the end (delta: -93.0 MB). Peak memory consumption was 124.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 198939.20 ms. Allocated memory was 291.5 MB in the beginning and 659.0 MB in the end (delta: 367.5 MB). Free memory was 210.6 MB in the beginning and 106.3 MB in the end (delta: 104.3 MB). Peak memory consumption was 471.8 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...