java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:11:30,584 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:11:30,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:11:30,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:11:30,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:11:30,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:11:30,602 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:11:30,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:11:30,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:11:30,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:11:30,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:11:30,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:11:30,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:11:30,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:11:30,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:11:30,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:11:30,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:11:30,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:11:30,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:11:30,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:11:30,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:11:30,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:11:30,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:11:30,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:11:30,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:11:30,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:11:30,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:11:30,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:11:30,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:11:30,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:11:30,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:11:30,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:11:30,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:11:30,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:11:30,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:11:30,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:11:30,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:11:30,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:11:30,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:11:30,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:11:30,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:11:30,635 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 [2019-10-15 03:11:30,649 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:11:30,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:11:30,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:11:30,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:11:30,651 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:11:30,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:11:30,652 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:11:30,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:11:30,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:11:30,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:11:30,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:11:30,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:11:30,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:11:30,653 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:11:30,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:11:30,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:11:30,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:11:30,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:11:30,654 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:11:30,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:11:30,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:11:30,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:11:30,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:11:30,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:11:30,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:11:30,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:11:30,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:11:30,656 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:11:30,656 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 [2019-10-15 03:11:30,948 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:11:30,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:11:30,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:11:30,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:11:30,967 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:11:30,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product27.cil.c [2019-10-15 03:11:31,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48ed024d/e97207951ae04719a3c1fa77fcf4f4ff/FLAGa5844db28 [2019-10-15 03:11:31,645 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:11:31,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product27.cil.c [2019-10-15 03:11:31,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48ed024d/e97207951ae04719a3c1fa77fcf4f4ff/FLAGa5844db28 [2019-10-15 03:11:31,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b48ed024d/e97207951ae04719a3c1fa77fcf4f4ff [2019-10-15 03:11:31,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:11:31,832 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:11:31,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:31,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:11:31,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:11:31,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:31,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60aa197e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31, skipping insertion in model container [2019-10-15 03:11:31,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:31,851 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:11:31,921 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:11:32,666 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:32,691 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:11:32,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:32,908 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:11:32,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32 WrapperNode [2019-10-15 03:11:32,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:32,910 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:11:32,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:11:32,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:11:32,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:33,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:33,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:33,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:33,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:11:33,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:11:33,108 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:11:33,108 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:11:33,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (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 [2019-10-15 03:11:33,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:11:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:11:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:33,185 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:11:33,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:11:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:11:33,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:11:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:11:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:11:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:11:33,188 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:11:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:11:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:11:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:11:33,190 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:11:33,191 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:11:33,193 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:11:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:11:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:11:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:11:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:11:33,194 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:11:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:11:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:11:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:11:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:11:33,195 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:11:33,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:11:33,196 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:11:33,196 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:11:33,196 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:11:33,197 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:11:33,197 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:11:33,197 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:11:33,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:11:33,198 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:11:33,198 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:11:33,198 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-15 03:11:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:11:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:11:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:11:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:11:33,199 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:11:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:11:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:11:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:11:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:11:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:11:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:11:33,200 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:11:33,201 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:11:33,201 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:11:33,201 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:11:33,201 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:11:33,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:11:33,201 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:11:33,202 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:11:33,202 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:11:33,202 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:11:33,202 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:11:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:11:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:11:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:11:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:11:33,203 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:11:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:11:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:11:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:11:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:11:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:11:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:11:33,204 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:11:33,205 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:11:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:11:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:11:33,206 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:11:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:11:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:11:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:11:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:11:33,207 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:11:33,208 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:11:33,208 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:11:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:11:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:11:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:11:33,209 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:11:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:33,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:11:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:11:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:11:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:11:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:11:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:11:33,211 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:11:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:11:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:11:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:11:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:11:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:11:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:11:33,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:11:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:11:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:11:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:11:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:11:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:11:33,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:11:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:11:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:11:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:11:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:11:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:11:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:11:33,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:11:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:11:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:11:33,215 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:11:33,216 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:11:33,216 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:11:33,216 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:11:33,216 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:11:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:11:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:11:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:11:33,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:11:33,219 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:11:33,219 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:11:33,219 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:11:33,219 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:11:33,220 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:11:33,221 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:11:33,223 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:11:33,223 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:11:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:11:33,224 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:11:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:11:33,226 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:11:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:11:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:11:33,227 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:11:33,228 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:11:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:11:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:11:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:11:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:11:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:11:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:11:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:11:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:11:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:11:33,237 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:11:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:11:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:11:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:11:33,238 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:11:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:11:33,239 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:11:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:11:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:11:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:11:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:11:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:11:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:11:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:11:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:11:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:11:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:11:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:11:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:11:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:11:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:11:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:11:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:11:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:11:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:11:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:11:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:11:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:11:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:11:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-15 03:11:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:11:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:11:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:11:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:11:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:11:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:11:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:11:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:11:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:11:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:11:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:11:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:11:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:11:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:11:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:11:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:11:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:11:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:11:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:11:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:11:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:11:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:11:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:11:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:11:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:11:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:11:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:11:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:11:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:11:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:11:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:11:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:11:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:11:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:11:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:11:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:11:33,248 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:11:33,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:11:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:11:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:11:33,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:11:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:11:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:11:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:11:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:11:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:11:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:11:33,251 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:11:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:11:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:11:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:11:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:11:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:11:33,252 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:11:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:11:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:11:33,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:11:38,032 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:11:38,033 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:11:38,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:38 BoogieIcfgContainer [2019-10-15 03:11:38,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:11:38,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:11:38,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:11:38,039 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:11:38,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:11:31" (1/3) ... [2019-10-15 03:11:38,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c316b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:38, skipping insertion in model container [2019-10-15 03:11:38,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (2/3) ... [2019-10-15 03:11:38,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c316b64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:38, skipping insertion in model container [2019-10-15 03:11:38,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:38" (3/3) ... [2019-10-15 03:11:38,043 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product27.cil.c [2019-10-15 03:11:38,053 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:11:38,063 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:11:38,075 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:11:38,106 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:11:38,106 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:11:38,106 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:11:38,107 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:11:38,107 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:11:38,107 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:11:38,107 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:11:38,107 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:11:38,139 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2019-10-15 03:11:38,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-15 03:11:38,160 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:38,162 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:38,164 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:38,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:38,170 INFO L82 PathProgramCache]: Analyzing trace with hash 274029200, now seen corresponding path program 1 times [2019-10-15 03:11:38,180 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:38,180 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436144444] [2019-10-15 03:11:38,180 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:38,181 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:38,181 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:38,941 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436144444] [2019-10-15 03:11:38,942 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:38,942 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:11:38,942 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84029158] [2019-10-15 03:11:38,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:11:38,948 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:38,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:11:38,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:11:38,969 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 2 states. [2019-10-15 03:11:39,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:39,069 INFO L93 Difference]: Finished difference Result 625 states and 738 transitions. [2019-10-15 03:11:39,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:11:39,071 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 153 [2019-10-15 03:11:39,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:39,091 INFO L225 Difference]: With dead ends: 625 [2019-10-15 03:11:39,091 INFO L226 Difference]: Without dead ends: 398 [2019-10-15 03:11:39,098 INFO L600 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 [2019-10-15 03:11:39,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-10-15 03:11:39,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2019-10-15 03:11:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-15 03:11:39,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 465 transitions. [2019-10-15 03:11:39,263 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 465 transitions. Word has length 153 [2019-10-15 03:11:39,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:39,267 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 465 transitions. [2019-10-15 03:11:39,267 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:11:39,268 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 465 transitions. [2019-10-15 03:11:39,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-15 03:11:39,282 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:39,282 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:39,283 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:39,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:39,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1060559584, now seen corresponding path program 1 times [2019-10-15 03:11:39,284 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:39,285 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767206319] [2019-10-15 03:11:39,285 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:39,286 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:39,286 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:39,638 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767206319] [2019-10-15 03:11:39,638 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:39,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:39,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902535529] [2019-10-15 03:11:39,641 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:39,641 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:39,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:39,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:39,642 INFO L87 Difference]: Start difference. First operand 398 states and 465 transitions. Second operand 3 states. [2019-10-15 03:11:39,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:39,698 INFO L93 Difference]: Finished difference Result 610 states and 703 transitions. [2019-10-15 03:11:39,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:39,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-15 03:11:39,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:39,714 INFO L225 Difference]: With dead ends: 610 [2019-10-15 03:11:39,715 INFO L226 Difference]: Without dead ends: 400 [2019-10-15 03:11:39,721 INFO L600 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 [2019-10-15 03:11:39,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2019-10-15 03:11:39,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2019-10-15 03:11:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2019-10-15 03:11:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 467 transitions. [2019-10-15 03:11:39,771 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 467 transitions. Word has length 154 [2019-10-15 03:11:39,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:39,773 INFO L462 AbstractCegarLoop]: Abstraction has 400 states and 467 transitions. [2019-10-15 03:11:39,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:39,774 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 467 transitions. [2019-10-15 03:11:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-15 03:11:39,780 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:39,780 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:39,781 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:39,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:39,781 INFO L82 PathProgramCache]: Analyzing trace with hash -167827159, now seen corresponding path program 1 times [2019-10-15 03:11:39,782 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:39,782 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084335585] [2019-10-15 03:11:39,782 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:39,783 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:39,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:40,033 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084335585] [2019-10-15 03:11:40,033 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:40,033 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:40,034 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129764205] [2019-10-15 03:11:40,034 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:40,035 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:40,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:40,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:40,035 INFO L87 Difference]: Start difference. First operand 400 states and 467 transitions. Second operand 3 states. [2019-10-15 03:11:40,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:40,083 INFO L93 Difference]: Finished difference Result 786 states and 947 transitions. [2019-10-15 03:11:40,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:40,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-10-15 03:11:40,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:40,088 INFO L225 Difference]: With dead ends: 786 [2019-10-15 03:11:40,088 INFO L226 Difference]: Without dead ends: 444 [2019-10-15 03:11:40,090 INFO L600 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 [2019-10-15 03:11:40,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-15 03:11:40,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2019-10-15 03:11:40,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-15 03:11:40,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 541 transitions. [2019-10-15 03:11:40,115 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 541 transitions. Word has length 166 [2019-10-15 03:11:40,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:40,115 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 541 transitions. [2019-10-15 03:11:40,116 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:40,116 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 541 transitions. [2019-10-15 03:11:40,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-15 03:11:40,119 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:40,119 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:40,120 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:40,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:40,120 INFO L82 PathProgramCache]: Analyzing trace with hash -504649357, now seen corresponding path program 1 times [2019-10-15 03:11:40,120 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:40,121 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128542778] [2019-10-15 03:11:40,121 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:40,121 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:40,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:40,577 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 03:11:40,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128542778] [2019-10-15 03:11:40,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964890646] [2019-10-15 03:11:40,578 INFO L94 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 [2019-10-15 03:11:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:41,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:11:41,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:11:41,442 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:41,443 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:11:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:41,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1785822283] [2019-10-15 03:11:41,857 INFO L162 IcfgInterpreter]: Started Sifa with 154 locations of interest [2019-10-15 03:11:41,857 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:11:41,867 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:11:41,878 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:11:41,879 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs