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 0.1.24-36ac518-m [2019-10-07 14:43:15,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:43:15,172 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:43:15,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:43:15,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:43:15,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:43:15,195 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:43:15,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:43:15,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:43:15,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:43:15,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:43:15,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:43:15,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:43:15,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:43:15,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:43:15,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:43:15,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:43:15,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:43:15,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:43:15,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:43:15,230 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:43:15,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:43:15,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:43:15,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:43:15,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:43:15,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:43:15,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:43:15,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:43:15,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:43:15,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:43:15,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:43:15,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:43:15,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:43:15,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:43:15,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:43:15,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:43:15,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:43:15,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:43:15,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:43:15,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:43:15,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:43:15,255 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 14:43:15,289 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:43:15,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:43:15,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:43:15,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:43:15,296 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:43:15,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:43:15,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:43:15,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:43:15,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:43:15,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:43:15,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:43:15,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:43:15,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:43:15,298 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:43:15,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:43:15,298 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:43:15,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:43:15,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:43:15,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:43:15,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:43:15,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:43:15,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:43:15,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:43:15,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:43:15,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:43:15,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:43:15,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:43:15,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:43:15,302 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 14:43:15,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:43:15,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:43:15,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:43:15,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:43:15,600 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:43:15,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product27.cil.c [2019-10-07 14:43:15,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bf6fa275/e6688dc724144eb8aa3a0d5996f212d9/FLAG2a3a1262c [2019-10-07 14:43:16,362 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:43:16,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product27.cil.c [2019-10-07 14:43:16,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bf6fa275/e6688dc724144eb8aa3a0d5996f212d9/FLAG2a3a1262c [2019-10-07 14:43:16,545 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6bf6fa275/e6688dc724144eb8aa3a0d5996f212d9 [2019-10-07 14:43:16,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:43:16,558 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:43:16,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:16,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:43:16,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:43:16,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:16" (1/1) ... [2019-10-07 14:43:16,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a840e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:16, skipping insertion in model container [2019-10-07 14:43:16,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:16" (1/1) ... [2019-10-07 14:43:16,580 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:43:16,669 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:43:17,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:17,469 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:43:17,559 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:17,641 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:43:17,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17 WrapperNode [2019-10-07 14:43:17,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:17,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:43:17,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:43:17,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:43:17,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17" (1/1) ... [2019-10-07 14:43:17,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17" (1/1) ... [2019-10-07 14:43:17,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17" (1/1) ... [2019-10-07 14:43:17,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17" (1/1) ... [2019-10-07 14:43:17,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17" (1/1) ... [2019-10-07 14:43:17,811 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17" (1/1) ... [2019-10-07 14:43:17,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17" (1/1) ... [2019-10-07 14:43:17,847 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:43:17,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:43:17,848 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:43:17,848 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:43:17,849 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17" (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 14:43:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:43:17,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:43:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:43:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:43:17,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:43:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:43:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:43:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:43:17,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:43:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:43:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:43:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:43:17,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:43:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:43:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:43:17,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:43:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:43:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:43:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:43:17,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:43:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:43:17,922 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:43:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:43:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:43:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:43:17,923 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:43:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:43:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:43:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:43:17,924 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:43:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:43:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:43:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:17,925 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:43:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:43:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:43:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-07 14:43:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:43:17,926 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:43:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:43:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:43:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:43:17,927 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:43:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:43:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:43:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:43:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:43:17,928 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:43:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:43:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:43:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:43:17,929 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:43:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:43:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:43:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:43:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:43:17,930 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:43:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:43:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:43:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:43:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:43:17,931 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:43:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:43:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:43:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:43:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:43:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:17,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:43:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:43:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:43:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:43:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:43:17,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:43:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:43:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:43:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:43:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:43:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:43:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:43:17,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:43:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:43:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:43:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:43:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:43:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:43:17,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:43:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:43:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:43:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:43:17,936 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:43:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:43:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:43:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:43:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:43:17,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:43:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:43:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:43:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:43:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:43:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:43:17,938 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:43:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:43:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:43:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:43:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:43:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:43:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:43:17,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:43:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:43:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:43:17,940 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:43:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:43:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:43:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:43:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:43:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:43:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:43:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:43:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:43:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:43:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:43:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:43:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:43:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:43:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:43:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:43:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:43:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:43:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:43:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:43:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:43:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:43:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:43:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:43:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:43:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:43:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:43:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:43:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:43:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:43:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:43:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:43:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:43:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:43:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:43:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:43:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:43:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:43:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:43:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:43:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:43:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:43:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:43:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:43:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:43:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:43:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:43:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:43:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:43:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:43:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:43:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:43:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:43:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:43:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:43:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:43:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:43:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:43:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:43:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:43:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:43:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:43:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:43:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:43:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:43:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-07 14:43:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:43:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:43:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:43:17,951 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:43:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:43:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:43:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:43:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:43:17,952 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:43:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:43:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:43:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:43:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:43:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:43:17,953 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:43:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:43:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:43:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:43:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:43:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:43:17,954 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:43:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:43:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:43:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:43:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:43:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:43:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:43:17,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:43:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:43:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:43:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:43:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:43:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:43:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:17,956 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:43:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:43:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:43:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:43:17,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:43:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:43:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:43:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:43:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:43:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:43:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:43:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:43:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:43:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:43:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:43:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:43:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:43:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:43:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:43:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:43:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:43:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:43:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:43:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:43:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:43:17,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:43:22,694 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:43:22,694 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:43:22,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:22 BoogieIcfgContainer [2019-10-07 14:43:22,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:43:22,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:43:22,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:43:22,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:43:22,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:43:16" (1/3) ... [2019-10-07 14:43:22,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6743b507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:22, skipping insertion in model container [2019-10-07 14:43:22,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:17" (2/3) ... [2019-10-07 14:43:22,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6743b507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:22, skipping insertion in model container [2019-10-07 14:43:22,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:22" (3/3) ... [2019-10-07 14:43:22,704 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product27.cil.c [2019-10-07 14:43:22,713 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:43:22,722 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:43:22,733 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:43:22,761 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:43:22,761 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:43:22,761 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:43:22,762 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:43:22,762 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:43:22,762 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:43:22,762 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:43:22,762 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:43:22,792 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states. [2019-10-07 14:43:22,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 14:43:22,811 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:22,812 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:22,814 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:22,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:22,821 INFO L82 PathProgramCache]: Analyzing trace with hash 274029200, now seen corresponding path program 1 times [2019-10-07 14:43:22,829 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:22,829 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:22,830 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:22,830 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:23,443 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:23,444 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:23,444 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:43:23,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:43:23,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:43:23,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:43:23,468 INFO L87 Difference]: Start difference. First operand 425 states. Second operand 2 states. [2019-10-07 14:43:23,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:23,582 INFO L93 Difference]: Finished difference Result 625 states and 738 transitions. [2019-10-07 14:43:23,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:43:23,584 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 153 [2019-10-07 14:43:23,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:23,616 INFO L225 Difference]: With dead ends: 625 [2019-10-07 14:43:23,616 INFO L226 Difference]: Without dead ends: 398 [2019-10-07 14:43:23,628 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 14:43:23,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-10-07 14:43:23,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2019-10-07 14:43:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-07 14:43:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 465 transitions. [2019-10-07 14:43:23,751 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 465 transitions. Word has length 153 [2019-10-07 14:43:23,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:23,755 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 465 transitions. [2019-10-07 14:43:23,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:43:23,755 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 465 transitions. [2019-10-07 14:43:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-07 14:43:23,761 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:23,761 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:23,761 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:23,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:23,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1060559584, now seen corresponding path program 1 times [2019-10-07 14:43:23,762 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:23,762 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:23,763 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:23,763 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:23,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:24,079 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:24,079 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:24,079 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:24,083 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:24,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:24,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:24,084 INFO L87 Difference]: Start difference. First operand 398 states and 465 transitions. Second operand 3 states. [2019-10-07 14:43:24,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:24,138 INFO L93 Difference]: Finished difference Result 610 states and 703 transitions. [2019-10-07 14:43:24,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:24,140 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2019-10-07 14:43:24,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:24,151 INFO L225 Difference]: With dead ends: 610 [2019-10-07 14:43:24,151 INFO L226 Difference]: Without dead ends: 400 [2019-10-07 14:43:24,154 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 14:43:24,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2019-10-07 14:43:24,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2019-10-07 14:43:24,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2019-10-07 14:43:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 467 transitions. [2019-10-07 14:43:24,190 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 467 transitions. Word has length 154 [2019-10-07 14:43:24,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:24,190 INFO L462 AbstractCegarLoop]: Abstraction has 400 states and 467 transitions. [2019-10-07 14:43:24,190 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:24,191 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 467 transitions. [2019-10-07 14:43:24,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 14:43:24,194 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:24,195 INFO L385 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] [2019-10-07 14:43:24,195 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:24,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:24,195 INFO L82 PathProgramCache]: Analyzing trace with hash -167827159, now seen corresponding path program 1 times [2019-10-07 14:43:24,196 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:24,196 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:24,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:24,196 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:24,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:24,457 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:24,458 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:24,458 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:24,458 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:24,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:24,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:24,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:24,463 INFO L87 Difference]: Start difference. First operand 400 states and 467 transitions. Second operand 3 states. [2019-10-07 14:43:24,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:24,534 INFO L93 Difference]: Finished difference Result 786 states and 947 transitions. [2019-10-07 14:43:24,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:24,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-10-07 14:43:24,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:24,541 INFO L225 Difference]: With dead ends: 786 [2019-10-07 14:43:24,541 INFO L226 Difference]: Without dead ends: 444 [2019-10-07 14:43:24,543 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 14:43:24,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2019-10-07 14:43:24,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 443. [2019-10-07 14:43:24,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2019-10-07 14:43:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 541 transitions. [2019-10-07 14:43:24,585 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 541 transitions. Word has length 166 [2019-10-07 14:43:24,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:24,587 INFO L462 AbstractCegarLoop]: Abstraction has 443 states and 541 transitions. [2019-10-07 14:43:24,587 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:24,587 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 541 transitions. [2019-10-07 14:43:24,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-07 14:43:24,596 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:24,597 INFO L385 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] [2019-10-07 14:43:24,597 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:24,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:24,598 INFO L82 PathProgramCache]: Analyzing trace with hash -504649357, now seen corresponding path program 1 times [2019-10-07 14:43:24,598 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:24,598 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:24,599 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:24,599 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:24,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:24,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-07 14:43:24,914 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:24,914 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:43:24,917 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 14:43:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:25,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:43:25,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:43:25,732 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:25,732 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:43:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 14:43:26,048 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:43:26,084 INFO L162 IcfgInterpreter]: Started Sifa with 154 locations of interest [2019-10-07 14:43:26,084 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:43:26,095 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:43:26,114 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:43:26,115 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:44:29,890 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 687 [2019-10-07 14:44:34,168 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 306 DAG size of output: 249 [2019-10-07 14:44:34,697 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2019-10-07 14:44:35,150 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2019-10-07 14:44:35,636 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification that was a NOOP. DAG size: 726 [2019-10-07 14:44:35,867 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:36,612 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:44:37,258 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:44:37,947 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:44:38,117 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:38,736 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:44:40,173 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1024 DAG size of output: 1022 [2019-10-07 14:44:40,802 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:44:40,946 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:41,586 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:44:42,173 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:44:42,804 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:44:42,931 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:43,598 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1022 [2019-10-07 14:44:43,629 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 559 for LOIs [2019-10-07 14:44:44,057 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:44:44,237 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:44:44,400 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:44,860 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 949 [2019-10-07 14:44:44,862 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1080 for LOIs [2019-10-07 14:44:45,485 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:46,079 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:46,363 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:44:47,324 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:44:47,923 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:48,513 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:48,765 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:44:49,756 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:44:50,390 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:50,988 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:51,238 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:44:52,237 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:44:53,165 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 1280 DAG size of output: 1080 [2019-10-07 14:44:53,750 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:54,225 WARN L191 SmtUtils]: Spent 455.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:44:55,261 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:44:55,878 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:56,467 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:56,757 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:44:57,729 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:44:58,322 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:58,921 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:44:59,163 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:00,142 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:00,728 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:01,317 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:01,577 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:02,549 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:03,134 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:03,727 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:03,969 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:04,948 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:05,527 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:06,119 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:06,363 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:07,330 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:07,908 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:08,492 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:08,734 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:09,713 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:10,294 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:10,882 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:11,127 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:12,101 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:12,688 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:13,270 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:13,511 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:14,494 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:15,086 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:15,679 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1080 [2019-10-07 14:45:15,925 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:16,910 WARN L191 SmtUtils]: Spent 983.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:17,977 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:18,971 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:19,242 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:20,231 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:22,075 WARN L191 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1280 DAG size of output: 1278 [2019-10-07 14:45:23,071 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:23,348 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:24,341 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:25,329 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:26,323 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:26,568 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:27,550 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:28,610 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:45:29,606 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:45:29,863 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:45:30,858 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:45:32,578 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1284 DAG size of output: 1280 [2019-10-07 14:45:33,564 WARN L191 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:45:33,825 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:45:34,819 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:45:36,531 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1284 DAG size of output: 1280 [2019-10-07 14:45:37,532 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:45:37,785 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:45:38,793 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:45:39,847 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:45:40,844 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:45:41,098 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:45:42,100 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:45:43,096 WARN L191 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:45:44,095 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:45:44,351 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:45:45,350 WARN L191 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:45:47,937 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1280 DAG size of output: 1278 [2019-10-07 14:45:48,914 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:49,169 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:50,143 WARN L191 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:51,929 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1280 DAG size of output: 1278 [2019-10-07 14:45:52,910 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:53,172 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:54,162 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:55,158 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:56,151 WARN L191 SmtUtils]: Spent 989.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:45:56,400 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:45:57,400 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:46:00,085 WARN L191 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 1280 DAG size of output: 1278 [2019-10-07 14:46:01,069 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:46:01,319 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:46:02,297 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:46:04,457 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1280 DAG size of output: 1278 [2019-10-07 14:46:05,448 WARN L191 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:46:05,701 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:46:06,697 WARN L191 SmtUtils]: Spent 993.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:46:07,686 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:46:08,671 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:46:08,924 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 639 [2019-10-07 14:46:09,914 WARN L191 SmtUtils]: Spent 988.00 ms on a formula simplification that was a NOOP. DAG size: 1278 [2019-10-07 14:46:11,744 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1284 DAG size of output: 1282 [2019-10-07 14:46:12,753 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:46:13,009 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:46:14,006 WARN L191 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:46:15,832 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1284 DAG size of output: 1282 [2019-10-07 14:46:16,836 WARN L191 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:46:17,093 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:46:18,094 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:46:19,089 WARN L191 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:46:20,087 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:46:20,344 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:46:21,350 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:46:23,056 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1284 DAG size of output: 1280 [2019-10-07 14:46:24,071 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1280 [2019-10-07 14:46:24,328 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:46:25,333 WARN L191 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:46:27,030 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1282 [2019-10-07 14:46:28,050 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1282 [2019-10-07 14:46:28,306 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 14:46:29,307 WARN L191 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 14:46:29,578 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:46:29,579 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:46:29,585 INFO L168 Benchmark]: Toolchain (without parser) took 193027.27 ms. Allocated memory was 138.9 MB in the beginning and 746.1 MB in the end (delta: 607.1 MB). Free memory was 99.5 MB in the beginning and 619.8 MB in the end (delta: -520.4 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:29,586 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:46:29,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1081.66 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.3 MB in the beginning and 137.3 MB in the end (delta: -38.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:29,587 INFO L168 Benchmark]: Boogie Preprocessor took 204.18 ms. Allocated memory is still 203.9 MB. Free memory was 137.3 MB in the beginning and 127.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:29,588 INFO L168 Benchmark]: RCFGBuilder took 4848.84 ms. Allocated memory was 203.9 MB in the beginning and 292.6 MB in the end (delta: 88.6 MB). Free memory was 127.9 MB in the beginning and 234.4 MB in the end (delta: -106.5 MB). Peak memory consumption was 138.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:29,588 INFO L168 Benchmark]: TraceAbstraction took 186885.69 ms. Allocated memory was 292.6 MB in the beginning and 746.1 MB in the end (delta: 453.5 MB). Free memory was 234.4 MB in the beginning and 619.8 MB in the end (delta: -385.4 MB). Peak memory consumption was 68.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:29,595 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1081.66 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 99.3 MB in the beginning and 137.3 MB in the end (delta: -38.1 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 204.18 ms. Allocated memory is still 203.9 MB. Free memory was 137.3 MB in the beginning and 127.9 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4848.84 ms. Allocated memory was 203.9 MB in the beginning and 292.6 MB in the end (delta: 88.6 MB). Free memory was 127.9 MB in the beginning and 234.4 MB in the end (delta: -106.5 MB). Peak memory consumption was 138.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 186885.69 ms. Allocated memory was 292.6 MB in the beginning and 746.1 MB in the end (delta: 453.5 MB). Free memory was 234.4 MB in the beginning and 619.8 MB in the end (delta: -385.4 MB). Peak memory consumption was 68.1 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...