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_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:43:44,211 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:43:44,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:43:44,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:43:44,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:43:44,227 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:43:44,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:43:44,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:43:44,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:43:44,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:43:44,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:43:44,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:43:44,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:43:44,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:43:44,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:43:44,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:43:44,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:43:44,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:43:44,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:43:44,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:43:44,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:43:44,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:43:44,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:43:44,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:43:44,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:43:44,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:43:44,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:43:44,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:43:44,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:43:44,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:43:44,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:43:44,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:43:44,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:43:44,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:43:44,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:43:44,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:43:44,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:43:44,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:43:44,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:43:44,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:43:44,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:43:44,278 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 14:43:44,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:43:44,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:43:44,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:43:44,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:43:44,309 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:43:44,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:43:44,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:43:44,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:43:44,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:43:44,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:43:44,311 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:43:44,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:43:44,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:43:44,312 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:43:44,312 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:43:44,312 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:43:44,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:43:44,313 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:43:44,313 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:43:44,313 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:43:44,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:43:44,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:43:44,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:43:44,314 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:43:44,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:43:44,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:43:44,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:43:44,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:43:44,315 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 14:43:44,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:43:44,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:43:44,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:43:44,627 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:43:44,627 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:43:44,628 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product35.cil.c [2019-10-07 14:43:44,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905d96ddf/409ccfa538af457fad710e972835b14b/FLAG2bf897faf [2019-10-07 14:43:45,344 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:43:45,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product35.cil.c [2019-10-07 14:43:45,378 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905d96ddf/409ccfa538af457fad710e972835b14b/FLAG2bf897faf [2019-10-07 14:43:45,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905d96ddf/409ccfa538af457fad710e972835b14b [2019-10-07 14:43:45,559 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:43:45,561 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:43:45,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:45,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:43:45,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:43:45,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:45" (1/1) ... [2019-10-07 14:43:45,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4772fc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:45, skipping insertion in model container [2019-10-07 14:43:45,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:45" (1/1) ... [2019-10-07 14:43:45,575 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:43:45,646 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:43:46,452 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:46,470 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:43:46,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:46,767 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:43:46,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46 WrapperNode [2019-10-07 14:43:46,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:46,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:43:46,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:43:46,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:43:46,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46" (1/1) ... [2019-10-07 14:43:46,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46" (1/1) ... [2019-10-07 14:43:46,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46" (1/1) ... [2019-10-07 14:43:46,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46" (1/1) ... [2019-10-07 14:43:46,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46" (1/1) ... [2019-10-07 14:43:46,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46" (1/1) ... [2019-10-07 14:43:46,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46" (1/1) ... [2019-10-07 14:43:46,953 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:43:46,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:43:46,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:43:46,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:43:46,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46" (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 14:43:47,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:43:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:43:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:43:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:43:47,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:43:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:43:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:43:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:43:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:43:47,033 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:43:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:43:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:43:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:43:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:43:47,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:43:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:43:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:43:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:43:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:43:47,035 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:43:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:43:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:43:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:43:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:43:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:43:47,036 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:43:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:43:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:43:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:43:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:43:47,037 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:43:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:43:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:43:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:43:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:43:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:43:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:43:47,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:43:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:43:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:43:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:43:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:43:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:43:47,039 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:43:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:43:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:43:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:43:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:43:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:43:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:43:47,040 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:43:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:43:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:43:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:43:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:43:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:43:47,042 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:43:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:43:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:43:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:43:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:43:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:43:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:43:47,043 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:43:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:43:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:43:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:43:47,044 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:43:47,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:43:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:43:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:43:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:43:47,046 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:43:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:43:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:43:47,047 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:43:47,048 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:43:47,049 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:43:47,050 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:43:47,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:43:47,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:43:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:43:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:43:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:43:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:43:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:43:47,057 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:43:47,059 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:43:47,060 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:43:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:43:47,061 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:43:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:43:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:43:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:43:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:43:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:43:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:43:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:43:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:43:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:43:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:43:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:43:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:43:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:43:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:43:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:43:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:43:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:43:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:43:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:43:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:43:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:43:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:43:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:43:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:43:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:43:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:43:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:43:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:43:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:43:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:43:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:43:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:43:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:43:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:43:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:43:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:43:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:43:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:43:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:43:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:43:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:43:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:43:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:43:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:43:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:43:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:43:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:43:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:43:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:43:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:43:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:43:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:43:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:43:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:43:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:43:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:43:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:43:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:43:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:43:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:43:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:43:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:43:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:43:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:43:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:43:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:43:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:43:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:43:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:43:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:43:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:43:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:43:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:43:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:43:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:43:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:43:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:43:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:43:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:43:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:43:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:43:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:43:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:43:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:43:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:43:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:43:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:43:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:43:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:43:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:43:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:43:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:43:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:43:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:43:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:43:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:43:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:43:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:43:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:43:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:43:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:43:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:43:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:43:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:43:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:43:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:43:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:43:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:43:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:43:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:43:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:43:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:43:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:43:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:43:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:43:51,775 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:43:51,775 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:43:51,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:51 BoogieIcfgContainer [2019-10-07 14:43:51,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:43:51,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:43:51,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:43:51,781 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:43:51,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:43:45" (1/3) ... [2019-10-07 14:43:51,782 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ebb57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:51, skipping insertion in model container [2019-10-07 14:43:51,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:46" (2/3) ... [2019-10-07 14:43:51,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43ebb57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:51, skipping insertion in model container [2019-10-07 14:43:51,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:51" (3/3) ... [2019-10-07 14:43:51,785 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product35.cil.c [2019-10-07 14:43:51,795 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:43:51,804 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:43:51,817 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:43:51,860 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:43:51,860 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:43:51,860 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:43:51,860 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:43:51,860 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:43:51,861 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:43:51,861 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:43:51,861 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:43:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states. [2019-10-07 14:43:51,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 14:43:51,939 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:51,941 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:51,944 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:51,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:51,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1829854661, now seen corresponding path program 1 times [2019-10-07 14:43:51,960 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:51,960 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:51,961 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:51,961 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:51,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:52,724 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:52,724 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:52,724 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:43:52,729 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:43:52,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:43:52,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:43:52,746 INFO L87 Difference]: Start difference. First operand 476 states. Second operand 2 states. [2019-10-07 14:43:52,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:52,821 INFO L93 Difference]: Finished difference Result 727 states and 870 transitions. [2019-10-07 14:43:52,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:43:52,825 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 183 [2019-10-07 14:43:52,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:52,863 INFO L225 Difference]: With dead ends: 727 [2019-10-07 14:43:52,863 INFO L226 Difference]: Without dead ends: 449 [2019-10-07 14:43:52,879 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 14:43:52,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-10-07 14:43:53,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2019-10-07 14:43:53,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-10-07 14:43:53,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 530 transitions. [2019-10-07 14:43:53,021 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 530 transitions. Word has length 183 [2019-10-07 14:43:53,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:53,024 INFO L462 AbstractCegarLoop]: Abstraction has 449 states and 530 transitions. [2019-10-07 14:43:53,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:43:53,025 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 530 transitions. [2019-10-07 14:43:53,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-07 14:43:53,034 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:53,035 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:53,035 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:53,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:53,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1130158807, now seen corresponding path program 1 times [2019-10-07 14:43:53,036 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:53,037 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:53,037 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:53,037 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:53,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:53,393 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:53,394 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:53,394 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:53,394 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:53,396 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:53,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:53,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:53,397 INFO L87 Difference]: Start difference. First operand 449 states and 530 transitions. Second operand 3 states. [2019-10-07 14:43:53,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:53,441 INFO L93 Difference]: Finished difference Result 712 states and 833 transitions. [2019-10-07 14:43:53,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:53,442 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2019-10-07 14:43:53,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:53,446 INFO L225 Difference]: With dead ends: 712 [2019-10-07 14:43:53,446 INFO L226 Difference]: Without dead ends: 451 [2019-10-07 14:43:53,448 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 14:43:53,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-10-07 14:43:53,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 451. [2019-10-07 14:43:53,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-10-07 14:43:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 532 transitions. [2019-10-07 14:43:53,485 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 532 transitions. Word has length 184 [2019-10-07 14:43:53,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:53,486 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 532 transitions. [2019-10-07 14:43:53,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 532 transitions. [2019-10-07 14:43:53,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-10-07 14:43:53,492 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:53,492 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:53,492 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:53,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:53,493 INFO L82 PathProgramCache]: Analyzing trace with hash 78207653, now seen corresponding path program 1 times [2019-10-07 14:43:53,494 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:53,495 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:53,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:53,495 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:53,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:53,809 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:53,810 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:53,810 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:53,810 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:53,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:53,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:53,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:53,813 INFO L87 Difference]: Start difference. First operand 451 states and 532 transitions. Second operand 3 states. [2019-10-07 14:43:53,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:53,887 INFO L93 Difference]: Finished difference Result 888 states and 1077 transitions. [2019-10-07 14:43:53,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:53,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-10-07 14:43:53,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:53,896 INFO L225 Difference]: With dead ends: 888 [2019-10-07 14:43:53,896 INFO L226 Difference]: Without dead ends: 495 [2019-10-07 14:43:53,899 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 14:43:53,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2019-10-07 14:43:53,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 494. [2019-10-07 14:43:53,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 494 states. [2019-10-07 14:43:53,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 606 transitions. [2019-10-07 14:43:53,948 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 606 transitions. Word has length 196 [2019-10-07 14:43:53,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:53,950 INFO L462 AbstractCegarLoop]: Abstraction has 494 states and 606 transitions. [2019-10-07 14:43:53,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:53,950 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 606 transitions. [2019-10-07 14:43:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-10-07 14:43:53,957 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:53,958 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:53,958 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:53,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:53,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1782636015, now seen corresponding path program 1 times [2019-10-07 14:43:53,960 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:53,961 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:53,962 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:53,962 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:54,855 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:43:54,856 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:54,856 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:43:54,856 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 14:43:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:55,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 3204 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:43:55,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:43:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:55,672 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:43:55,956 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:55,956 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:43:55,989 INFO L162 IcfgInterpreter]: Started Sifa with 174 locations of interest [2019-10-07 14:43:55,989 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:43:55,998 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:43:56,017 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:43:56,018 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:45:17,901 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 709 [2019-10-07 14:45:22,850 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 341 DAG size of output: 277 [2019-10-07 14:45:23,302 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 756 [2019-10-07 14:45:23,820 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 756 [2019-10-07 14:45:24,165 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 756 [2019-10-07 14:45:24,400 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:45:25,872 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:26,805 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:27,637 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:27,807 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:45:28,504 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:29,862 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1058 DAG size of output: 1056 [2019-10-07 14:45:30,502 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:30,648 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:45:31,333 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:31,997 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:32,649 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:32,770 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:45:33,448 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:45:33,478 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 571 for LOIs [2019-10-07 14:45:33,886 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2019-10-07 14:45:34,053 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 673 [2019-10-07 14:45:34,216 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 14:45:34,704 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 973 [2019-10-07 14:45:34,706 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1120 for LOIs [2019-10-07 14:45:35,323 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:35,976 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:36,238 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:45:37,336 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:45:37,973 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:38,655 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:38,930 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:45:39,995 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:45:40,716 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:41,362 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:41,771 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:45:42,835 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:45:43,895 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1120 [2019-10-07 14:45:44,527 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:44,816 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:45:45,879 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:45:46,536 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:47,188 WARN L191 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:47,494 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:45:48,569 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:45:49,224 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:49,865 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:50,137 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:45:51,207 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:45:51,862 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:52,501 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:52,766 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:45:53,864 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:45:54,488 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:55,117 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:55,378 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:45:56,436 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:45:57,070 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:57,695 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:45:57,954 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:45:59,030 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:45:59,653 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:46:00,289 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:46:00,551 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:01,620 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:02,253 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:46:02,883 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:46:03,147 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:04,215 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:04,843 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:46:05,489 WARN L191 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:46:05,757 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:06,824 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:07,464 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:46:08,089 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1120 [2019-10-07 14:46:08,352 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:09,426 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:10,534 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:11,635 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:11,902 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:12,981 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:14,989 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1328 [2019-10-07 14:46:16,061 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:16,366 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:17,418 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:18,479 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:19,524 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:19,787 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:20,842 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:21,945 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1330 [2019-10-07 14:46:23,036 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1330 [2019-10-07 14:46:23,304 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:46:24,364 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:46:25,470 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:46:26,555 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:46:26,823 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:46:27,900 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:46:29,679 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1334 DAG size of output: 1330 [2019-10-07 14:46:30,717 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1330 [2019-10-07 14:46:30,974 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:46:32,020 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:46:34,026 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 1330 [2019-10-07 14:46:35,089 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1330 [2019-10-07 14:46:35,351 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:46:36,400 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:46:37,453 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:46:38,543 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:46:38,806 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:46:39,878 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1334 [2019-10-07 14:46:42,191 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1328 [2019-10-07 14:46:43,286 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:43,552 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:44,594 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:46,489 WARN L191 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1328 [2019-10-07 14:46:47,542 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:47,816 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:48,875 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:49,916 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:50,960 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:51,219 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:52,248 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:55,144 WARN L191 SmtUtils]: Spent 2.84 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1328 [2019-10-07 14:46:56,193 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:56,455 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:46:57,492 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:46:59,362 WARN L191 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1330 DAG size of output: 1328 [2019-10-07 14:47:00,420 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:47:00,686 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:47:01,733 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:47:02,759 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:47:03,815 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:47:04,069 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 657 [2019-10-07 14:47:05,093 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:47:06,926 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1334 DAG size of output: 1330 [2019-10-07 14:47:07,980 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1330 [2019-10-07 14:47:08,254 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:47:09,319 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:47:10,429 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:47:11,488 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:47:11,762 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:47:12,812 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:47:14,612 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1334 DAG size of output: 1330 [2019-10-07 14:47:16,023 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 1330 [2019-10-07 14:47:16,294 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:47:17,344 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:47:19,243 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 1339 DAG size of output: 1332 [2019-10-07 14:47:20,317 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:47:20,591 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:47:21,663 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1332 [2019-10-07 14:47:23,603 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1341 DAG size of output: 1334 [2019-10-07 14:47:24,713 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1334 [2019-10-07 14:47:24,977 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 660 [2019-10-07 14:47:26,030 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1334 [2019-10-07 14:47:26,296 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:47:26,297 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 14:47:26,305 INFO L168 Benchmark]: Toolchain (without parser) took 220743.68 ms. Allocated memory was 142.6 MB in the beginning and 1.3 GB in the end (delta: 1.2 GB). Free memory was 97.4 MB in the beginning and 605.8 MB in the end (delta: -508.4 MB). Peak memory consumption was 667.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:26,306 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:47:26,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1207.39 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 97.2 MB in the beginning and 126.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:26,307 INFO L168 Benchmark]: Boogie Preprocessor took 183.66 ms. Allocated memory is still 201.9 MB. Free memory was 126.0 MB in the beginning and 117.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:26,308 INFO L168 Benchmark]: RCFGBuilder took 4823.76 ms. Allocated memory was 201.9 MB in the beginning and 306.2 MB in the end (delta: 104.3 MB). Free memory was 117.1 MB in the beginning and 102.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 119.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:26,309 INFO L168 Benchmark]: TraceAbstraction took 214524.82 ms. Allocated memory was 306.2 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 102.1 MB in the beginning and 605.8 MB in the end (delta: -503.7 MB). Peak memory consumption was 508.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:47:26,313 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 142.6 MB. Free memory was 119.0 MB in the beginning and 118.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1207.39 ms. Allocated memory was 142.6 MB in the beginning and 201.9 MB in the end (delta: 59.2 MB). Free memory was 97.2 MB in the beginning and 126.0 MB in the end (delta: -28.9 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.66 ms. Allocated memory is still 201.9 MB. Free memory was 126.0 MB in the beginning and 117.1 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4823.76 ms. Allocated memory was 201.9 MB in the beginning and 306.2 MB in the end (delta: 104.3 MB). Free memory was 117.1 MB in the beginning and 102.1 MB in the end (delta: 15.0 MB). Peak memory consumption was 119.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 214524.82 ms. Allocated memory was 306.2 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 102.1 MB in the beginning and 605.8 MB in the end (delta: -503.7 MB). Peak memory consumption was 508.2 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...