java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:10:37,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:10:37,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:10:37,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:10:37,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:10:37,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:10:37,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:10:37,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:10:37,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:10:37,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:10:37,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:10:37,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:10:37,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:10:37,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:10:37,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:10:37,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:10:37,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:10:37,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:10:37,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:10:37,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:10:37,389 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:10:37,390 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:10:37,391 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:10:37,392 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:10:37,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:10:37,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:10:37,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:10:37,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:10:37,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:10:37,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:10:37,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:10:37,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:10:37,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:10:37,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:10:37,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:10:37,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:10:37,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:10:37,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:10:37,402 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:10:37,403 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:10:37,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:10:37,404 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:10:37,424 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:10:37,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:10:37,427 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:10:37,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:10:37,427 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:10:37,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:10:37,428 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:10:37,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:10:37,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:10:37,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:10:37,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:10:37,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:10:37,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:10:37,430 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:10:37,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:10:37,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:10:37,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:10:37,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:10:37,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:10:37,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:10:37,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:10:37,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:10:37,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:10:37,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:10:37,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:10:37,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:10:37,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:10:37,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:10:37,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:10:37,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:10:37,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:10:37,754 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:10:37,756 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:10:37,756 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:10:37,757 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product24.cil.c [2019-10-15 03:10:37,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e53181b1/6695e67c34ba40328d08f09be7f72766/FLAG0e0ebe133 [2019-10-15 03:10:38,467 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:10:38,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product24.cil.c [2019-10-15 03:10:38,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e53181b1/6695e67c34ba40328d08f09be7f72766/FLAG0e0ebe133 [2019-10-15 03:10:38,684 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9e53181b1/6695e67c34ba40328d08f09be7f72766 [2019-10-15 03:10:38,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:10:38,696 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:10:38,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:10:38,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:10:38,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:10:38,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:10:38" (1/1) ... [2019-10-15 03:10:38,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d4fe27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:38, skipping insertion in model container [2019-10-15 03:10:38,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:10:38" (1/1) ... [2019-10-15 03:10:38,711 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:10:38,797 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:10:39,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:10:39,539 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:10:39,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:10:39,812 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:10:39,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39 WrapperNode [2019-10-15 03:10:39,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:10:39,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:10:39,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:10:39,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:10:39,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39" (1/1) ... [2019-10-15 03:10:39,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39" (1/1) ... [2019-10-15 03:10:39,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39" (1/1) ... [2019-10-15 03:10:39,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39" (1/1) ... [2019-10-15 03:10:39,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39" (1/1) ... [2019-10-15 03:10:39,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39" (1/1) ... [2019-10-15 03:10:39,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39" (1/1) ... [2019-10-15 03:10:40,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:10:40,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:10:40,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:10:40,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:10:40,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:10:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:10:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:10:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:10:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:10:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:10:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:10:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:10:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:10:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:10:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:10:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:10:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:10:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:10:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:10:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:10:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:10:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:10:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:10:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:10:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:10:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:10:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:10:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:10:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:10:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:10:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:10:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:10:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:10:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:10:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-15 03:10:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:10:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:10:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:10:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:10:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:10:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:10:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:10:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:10:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:10:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:10:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:10:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:10:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:10:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:10:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:10:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:10:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:10:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:10:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:10:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:10:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:10:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:10:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:10:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:10:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:10:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:10:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:10:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:10:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:10:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:10:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:10:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:10:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:10:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:10:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:10:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:10:40,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:10:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:10:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:10:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:10:40,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:10:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:10:40,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:10:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-15 03:10:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:10:40,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:10:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:10:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:10:40,105 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:10:40,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:10:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:10:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:10:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:10:40,107 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:10:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:10:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:10:40,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:10:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:10:40,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:10:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:10:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:10:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:10:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:10:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:10:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:10:40,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:10:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:10:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:10:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:10:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:10:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:10:40,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:10:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:10:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:10:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:10:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:10:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:10:40,112 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:10:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:10:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:10:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:10:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:10:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:10:40,113 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:10:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:10:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:10:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:10:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:10:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:10:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:10:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:10:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:10:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:10:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:10:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:10:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:10:40,117 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:10:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:10:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:10:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:10:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:10:40,118 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:10:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:10:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:10:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:10:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:10:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:10:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:10:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:10:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:10:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:10:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:10:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:10:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:10:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:10:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:10:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:10:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:10:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:10:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:10:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:10:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:10:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:10:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:10:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:10:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:10:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:10:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:10:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:10:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:10:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:10:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:10:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:10:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:10:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:10:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:10:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:10:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:10:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:10:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:10:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:10:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:10:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:10:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:10:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:10:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:10:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:10:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:10:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-15 03:10:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:10:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:10:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-15 03:10:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:10:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:10:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:10:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:10:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:10:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:10:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:10:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:10:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:10:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:10:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:10:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:10:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:10:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:10:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:10:40,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:10:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:10:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:10:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:10:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:10:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:10:40,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:10:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:10:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:10:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:10:40,143 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:10:40,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:10:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:10:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:10:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:10:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:10:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:10:40,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:10:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:10:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:10:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:10:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:10:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:10:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:10:40,146 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:10:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-15 03:10:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:10:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:10:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:10:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:10:40,147 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:10:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:10:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:10:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:10:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:10:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:10:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:10:40,148 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:10:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:10:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:10:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:10:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:10:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:10:40,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:10:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:10:40,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:10:44,948 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:10:44,950 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:10:44,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:10:44 BoogieIcfgContainer [2019-10-15 03:10:44,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:10:44,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:10:44,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:10:44,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:10:44,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:10:38" (1/3) ... [2019-10-15 03:10:44,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4ff652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:10:44, skipping insertion in model container [2019-10-15 03:10:44,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:10:39" (2/3) ... [2019-10-15 03:10:44,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4ff652 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:10:44, skipping insertion in model container [2019-10-15 03:10:44,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:10:44" (3/3) ... [2019-10-15 03:10:44,962 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product24.cil.c [2019-10-15 03:10:44,974 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:10:44,985 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:10:44,997 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:10:45,027 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:10:45,027 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:10:45,027 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:10:45,027 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:10:45,027 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:10:45,028 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:10:45,028 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:10:45,028 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:10:45,056 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states. [2019-10-15 03:10:45,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-15 03:10:45,075 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:45,076 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:10:45,078 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:45,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:45,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1248964066, now seen corresponding path program 1 times [2019-10-15 03:10:45,094 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:45,095 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117617237] [2019-10-15 03:10:45,095 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:45,095 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:45,096 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:45,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:45,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:10:45,826 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117617237] [2019-10-15 03:10:45,827 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:45,827 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:10:45,828 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422064164] [2019-10-15 03:10:45,833 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:10:45,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:45,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:10:45,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:10:45,851 INFO L87 Difference]: Start difference. First operand 380 states. Second operand 2 states. [2019-10-15 03:10:45,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:45,918 INFO L93 Difference]: Finished difference Result 561 states and 655 transitions. [2019-10-15 03:10:45,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:10:45,919 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 156 [2019-10-15 03:10:45,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:45,939 INFO L225 Difference]: With dead ends: 561 [2019-10-15 03:10:45,940 INFO L226 Difference]: Without dead ends: 359 [2019-10-15 03:10:45,946 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:10:45,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-10-15 03:10:46,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2019-10-15 03:10:46,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-15 03:10:46,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 418 transitions. [2019-10-15 03:10:46,033 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 418 transitions. Word has length 156 [2019-10-15 03:10:46,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:46,035 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 418 transitions. [2019-10-15 03:10:46,035 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:10:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 418 transitions. [2019-10-15 03:10:46,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-15 03:10:46,041 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:46,042 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:10:46,042 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:46,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:46,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1768881609, now seen corresponding path program 1 times [2019-10-15 03:10:46,043 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:46,043 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991712854] [2019-10-15 03:10:46,043 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:46,043 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:46,044 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:46,420 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:10:46,421 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991712854] [2019-10-15 03:10:46,421 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:46,421 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:10:46,421 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386896456] [2019-10-15 03:10:46,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:10:46,427 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:46,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:10:46,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:46,428 INFO L87 Difference]: Start difference. First operand 359 states and 418 transitions. Second operand 3 states. [2019-10-15 03:10:46,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:46,519 INFO L93 Difference]: Finished difference Result 546 states and 624 transitions. [2019-10-15 03:10:46,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:10:46,520 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-15 03:10:46,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:46,532 INFO L225 Difference]: With dead ends: 546 [2019-10-15 03:10:46,532 INFO L226 Difference]: Without dead ends: 361 [2019-10-15 03:10:46,537 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:46,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2019-10-15 03:10:46,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2019-10-15 03:10:46,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2019-10-15 03:10:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 420 transitions. [2019-10-15 03:10:46,594 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 420 transitions. Word has length 157 [2019-10-15 03:10:46,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:46,594 INFO L462 AbstractCegarLoop]: Abstraction has 361 states and 420 transitions. [2019-10-15 03:10:46,594 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:10:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 420 transitions. [2019-10-15 03:10:46,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-15 03:10:46,600 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:46,600 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:10:46,601 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:46,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:46,601 INFO L82 PathProgramCache]: Analyzing trace with hash -173435773, now seen corresponding path program 1 times [2019-10-15 03:10:46,601 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:46,601 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216775250] [2019-10-15 03:10:46,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:46,602 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:46,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:10:46,919 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216775250] [2019-10-15 03:10:46,919 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:10:46,919 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:10:46,919 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96596386] [2019-10-15 03:10:46,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:10:46,922 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:10:46,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:10:46,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:46,923 INFO L87 Difference]: Start difference. First operand 361 states and 420 transitions. Second operand 3 states. [2019-10-15 03:10:46,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:10:46,982 INFO L93 Difference]: Finished difference Result 706 states and 850 transitions. [2019-10-15 03:10:46,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:10:46,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-10-15 03:10:46,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:10:46,986 INFO L225 Difference]: With dead ends: 706 [2019-10-15 03:10:46,986 INFO L226 Difference]: Without dead ends: 403 [2019-10-15 03:10:46,988 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:10:46,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-15 03:10:47,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 402. [2019-10-15 03:10:47,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2019-10-15 03:10:47,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 491 transitions. [2019-10-15 03:10:47,016 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 491 transitions. Word has length 169 [2019-10-15 03:10:47,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:10:47,016 INFO L462 AbstractCegarLoop]: Abstraction has 402 states and 491 transitions. [2019-10-15 03:10:47,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:10:47,017 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 491 transitions. [2019-10-15 03:10:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-15 03:10:47,026 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:10:47,026 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:10:47,027 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:10:47,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:10:47,027 INFO L82 PathProgramCache]: Analyzing trace with hash -2009258407, now seen corresponding path program 1 times [2019-10-15 03:10:47,027 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:10:47,027 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477094722] [2019-10-15 03:10:47,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:47,028 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:10:47,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:10:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:47,353 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 03:10:47,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477094722] [2019-10-15 03:10:47,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649295627] [2019-10-15 03:10:47,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:10:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:10:48,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 2622 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:10:48,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:10:48,224 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:10:48,227 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:10:48,546 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:10:48,546 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [15767573] [2019-10-15 03:10:48,589 INFO L162 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-10-15 03:10:48,589 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:10:48,597 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:10:48,606 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:10:48,606 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs