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_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:40:19,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:40:19,368 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:40:19,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:40:19,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:40:19,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:40:19,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:40:19,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:40:19,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:40:19,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:40:19,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:40:19,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:40:19,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:40:19,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:40:19,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:40:19,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:40:19,406 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:40:19,407 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:40:19,410 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:40:19,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:40:19,415 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:40:19,416 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:40:19,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:40:19,418 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:40:19,422 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:40:19,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:40:19,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:40:19,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:40:19,426 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:40:19,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:40:19,428 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:40:19,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:40:19,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:40:19,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:40:19,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:40:19,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:40:19,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:40:19,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:40:19,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:40:19,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:40:19,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:40:19,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:40:19,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:40:19,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:40:19,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:40:19,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:40:19,485 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:40:19,485 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:40:19,485 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:40:19,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:40:19,486 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:40:19,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:40:19,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:40:19,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:40:19,486 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:40:19,487 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:40:19,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:40:19,488 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:40:19,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:40:19,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:40:19,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:40:19,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:40:19,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:40:19,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:19,490 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:40:19,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:40:19,491 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:40:19,491 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:40:19,491 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:40:19,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:40:19,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:40:19,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:40:19,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:40:19,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:40:19,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:40:19,791 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:40:19,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product31.cil.c [2019-10-07 14:40:19,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0afa9da2/1de2d46d03c34bd58bdab5e16ce9f099/FLAGe77b78687 [2019-10-07 14:40:20,452 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:40:20,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product31.cil.c [2019-10-07 14:40:20,477 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0afa9da2/1de2d46d03c34bd58bdab5e16ce9f099/FLAGe77b78687 [2019-10-07 14:40:20,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0afa9da2/1de2d46d03c34bd58bdab5e16ce9f099 [2019-10-07 14:40:20,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:40:20,715 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:40:20,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:20,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:40:20,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:40:20,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:20" (1/1) ... [2019-10-07 14:40:20,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@174a7eba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:20, skipping insertion in model container [2019-10-07 14:40:20,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:20" (1/1) ... [2019-10-07 14:40:20,732 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:40:20,821 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:40:21,628 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:21,645 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:40:21,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:21,835 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:40:21,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21 WrapperNode [2019-10-07 14:40:21,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:21,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:40:21,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:40:21,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:40:21,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21" (1/1) ... [2019-10-07 14:40:21,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21" (1/1) ... [2019-10-07 14:40:21,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21" (1/1) ... [2019-10-07 14:40:21,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21" (1/1) ... [2019-10-07 14:40:21,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21" (1/1) ... [2019-10-07 14:40:21,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21" (1/1) ... [2019-10-07 14:40:21,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21" (1/1) ... [2019-10-07 14:40:22,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:40:22,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:40:22,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:40:22,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:40:22,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:22,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:40:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:40:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:40:22,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:40:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:40:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:40:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:40:22,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:40:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:40:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:40:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:40:22,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:40:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:40:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:40:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:40:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:40:22,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:40:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:40:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:40:22,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:40:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:40:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:40:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:40:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:22,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:40:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:40:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:40:22,109 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:40:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:40:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:40:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:40:22,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:40:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:40:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:40:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:40:22,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:40:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:40:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:40:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:40:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:40:22,112 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:40:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:40:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:40:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:40:22,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:40:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:40:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:40:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:40:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:40:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:40:22,114 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:40:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:40:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:40:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:40:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:40:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:40:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:40:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:40:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:40:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:40:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:40:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:40:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:40:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:40:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:40:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:40:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:40:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:40:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:40:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:40:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:40:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:40:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:40:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:40:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:40:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:40:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:40:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:40:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:40:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:40:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:40:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:40:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:40:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:40:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:40:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:40:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:40:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:40:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:40:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:40:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:40:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:40:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:40:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:40:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:40:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:40:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:40:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:40:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:40:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:40:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:40:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-07 14:40:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:40:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:40:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:40:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:40:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:40:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:40:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:40:22,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:40:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:40:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:40:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:40:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:40:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:40:22,125 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:40:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:40:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:40:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:40:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:40:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:40:22,126 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:40:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:40:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:40:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:40:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:40:22,127 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:40:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:40:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:40:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:40:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:40:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:40:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:40:22,128 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:40:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:40:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:40:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:40:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:40:22,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:40:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:40:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:22,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:40:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:40:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:40:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:40:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:40:22,131 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:40:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:40:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:40:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:40:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:40:22,132 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:40:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:40:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:40:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:40:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:40:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:40:22,133 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:40:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:40:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:40:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:40:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:40:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:40:22,134 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:40:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:40:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:40:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:40:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:40:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:40:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:40:22,135 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:40:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:40:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:40:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:40:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:40:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:40:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:40:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:40:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:40:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:40:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:40:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:40:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:40:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:40:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:40:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:40:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:40:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:40:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:40:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:40:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:40:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:40:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:40:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:40:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:40:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:40:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:40:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:40:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:40:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:40:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:40:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:40:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:40:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:40:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:40:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:40:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:40:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:40:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:40:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:40:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:40:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:40:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:40:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:40:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:40:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:40:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:40:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:40:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:40:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:40:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:40:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:40:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:40:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:40:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:40:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:40:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:40:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:40:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-07 14:40:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:40:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:40:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:40:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:40:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:40:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:40:27,063 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:40:27,063 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:40:27,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:27 BoogieIcfgContainer [2019-10-07 14:40:27,065 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:40:27,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:40:27,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:40:27,070 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:40:27,070 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:40:20" (1/3) ... [2019-10-07 14:40:27,071 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b5639c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:27, skipping insertion in model container [2019-10-07 14:40:27,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:21" (2/3) ... [2019-10-07 14:40:27,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68b5639c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:40:27, skipping insertion in model container [2019-10-07 14:40:27,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:40:27" (3/3) ... [2019-10-07 14:40:27,074 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product31.cil.c [2019-10-07 14:40:27,084 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:40:27,095 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:40:27,107 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:40:27,140 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:40:27,141 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:40:27,141 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:40:27,141 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:40:27,141 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:40:27,142 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:40:27,142 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:40:27,142 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:40:27,173 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states. [2019-10-07 14:40:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-07 14:40:27,194 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:27,196 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] [2019-10-07 14:40:27,198 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:27,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:27,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1005792551, now seen corresponding path program 1 times [2019-10-07 14:40:27,214 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:27,215 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:27,215 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:27,215 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:27,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:27,952 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:27,952 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:27,952 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:40:27,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:40:27,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:40:27,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:40:27,977 INFO L87 Difference]: Start difference. First operand 407 states. Second operand 2 states. [2019-10-07 14:40:28,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:28,055 INFO L93 Difference]: Finished difference Result 622 states and 738 transitions. [2019-10-07 14:40:28,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:40:28,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 177 [2019-10-07 14:40:28,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:28,093 INFO L225 Difference]: With dead ends: 622 [2019-10-07 14:40:28,095 INFO L226 Difference]: Without dead ends: 386 [2019-10-07 14:40:28,107 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:40:28,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-10-07 14:40:28,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2019-10-07 14:40:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 386 states. [2019-10-07 14:40:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 455 transitions. [2019-10-07 14:40:28,232 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 455 transitions. Word has length 177 [2019-10-07 14:40:28,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:28,235 INFO L462 AbstractCegarLoop]: Abstraction has 386 states and 455 transitions. [2019-10-07 14:40:28,235 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:40:28,235 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 455 transitions. [2019-10-07 14:40:28,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-10-07 14:40:28,242 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:28,242 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] [2019-10-07 14:40:28,242 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:28,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:28,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1541061759, now seen corresponding path program 1 times [2019-10-07 14:40:28,243 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:28,243 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:28,244 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:28,244 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:28,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:28,570 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:28,570 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:28,570 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:28,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:28,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:28,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:28,574 INFO L87 Difference]: Start difference. First operand 386 states and 455 transitions. Second operand 3 states. [2019-10-07 14:40:28,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:28,634 INFO L93 Difference]: Finished difference Result 607 states and 705 transitions. [2019-10-07 14:40:28,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:28,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-10-07 14:40:28,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:28,648 INFO L225 Difference]: With dead ends: 607 [2019-10-07 14:40:28,648 INFO L226 Difference]: Without dead ends: 388 [2019-10-07 14:40:28,654 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:28,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2019-10-07 14:40:28,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2019-10-07 14:40:28,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2019-10-07 14:40:28,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 457 transitions. [2019-10-07 14:40:28,707 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 457 transitions. Word has length 178 [2019-10-07 14:40:28,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:28,710 INFO L462 AbstractCegarLoop]: Abstraction has 388 states and 457 transitions. [2019-10-07 14:40:28,710 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:28,710 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 457 transitions. [2019-10-07 14:40:28,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-07 14:40:28,717 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:28,718 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:40:28,718 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:28,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:28,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1425063180, now seen corresponding path program 1 times [2019-10-07 14:40:28,719 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:28,719 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:28,719 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:28,719 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:28,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:29,065 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:29,065 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:29,066 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:40:29,066 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:40:29,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:40:29,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:40:29,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:29,068 INFO L87 Difference]: Start difference. First operand 388 states and 457 transitions. Second operand 3 states. [2019-10-07 14:40:29,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:40:29,102 INFO L93 Difference]: Finished difference Result 758 states and 921 transitions. [2019-10-07 14:40:29,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:40:29,102 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-10-07 14:40:29,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:40:29,107 INFO L225 Difference]: With dead ends: 758 [2019-10-07 14:40:29,107 INFO L226 Difference]: Without dead ends: 428 [2019-10-07 14:40:29,109 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:40:29,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2019-10-07 14:40:29,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 427. [2019-10-07 14:40:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-10-07 14:40:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 525 transitions. [2019-10-07 14:40:29,132 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 525 transitions. Word has length 183 [2019-10-07 14:40:29,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:40:29,133 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 525 transitions. [2019-10-07 14:40:29,133 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:40:29,133 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 525 transitions. [2019-10-07 14:40:29,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-10-07 14:40:29,137 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:40:29,138 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:40:29,138 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:40:29,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:40:29,138 INFO L82 PathProgramCache]: Analyzing trace with hash -668587843, now seen corresponding path program 1 times [2019-10-07 14:40:29,139 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:40:29,139 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:29,139 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:29,139 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:40:29,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:40:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-07 14:40:30,207 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:40:30,207 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:40:30,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:40:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:40:30,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 2834 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:40:30,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:40:30,990 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:30,991 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:40:31,347 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-07 14:40:31,347 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:40:31,383 INFO L162 IcfgInterpreter]: Started Sifa with 159 locations of interest [2019-10-07 14:40:31,383 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:40:31,390 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:40:31,398 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:40:31,399 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:41:26,801 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:41:31,122 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 324 DAG size of output: 263 [2019-10-07 14:41:31,516 WARN L191 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 720 [2019-10-07 14:41:31,809 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 720 [2019-10-07 14:41:32,191 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 720 [2019-10-07 14:41:32,446 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:33,186 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 14:41:33,843 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 14:41:34,487 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 14:41:34,635 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:35,269 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 14:41:36,521 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 1016 DAG size of output: 1014 [2019-10-07 14:41:37,134 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 14:41:37,279 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:37,869 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 14:41:38,505 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 14:41:39,124 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 14:41:39,249 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:39,836 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1014 [2019-10-07 14:41:39,863 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 553 for LOIs [2019-10-07 14:41:40,046 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 553 [2019-10-07 14:41:40,280 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:41:40,404 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:41:40,573 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 14:41:41,028 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 935 [2019-10-07 14:41:41,029 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1058 for LOIs [2019-10-07 14:41:41,639 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:42,229 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:42,429 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:41:43,303 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:41:43,914 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:44,512 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:44,722 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:41:45,570 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:41:46,229 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:46,827 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:47,029 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:41:47,879 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:41:49,004 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1192 DAG size of output: 1058 [2019-10-07 14:41:49,596 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:50,004 WARN L191 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:41:50,856 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:41:51,465 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:52,122 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:52,322 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:41:53,175 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:41:53,771 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:54,358 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:54,555 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:41:55,422 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:41:56,011 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:56,611 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:56,814 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:41:57,657 WARN L191 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:41:58,247 WARN L191 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:58,856 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:41:59,086 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:41:59,946 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:00,549 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:01,152 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:01,350 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:02,231 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:02,830 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:03,427 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:03,623 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:04,487 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:05,085 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:05,695 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:05,893 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:06,758 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:07,364 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:07,964 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:08,160 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:09,025 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:09,628 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:10,222 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1058 [2019-10-07 14:42:10,424 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:11,290 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:12,236 WARN L191 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:13,095 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:13,383 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:14,236 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:16,203 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1192 DAG size of output: 1190 [2019-10-07 14:42:17,053 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:17,262 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:18,116 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:18,983 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:19,851 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:20,050 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:20,922 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:21,811 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:42:22,669 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:42:22,879 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:42:23,734 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:42:25,144 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1196 DAG size of output: 1192 [2019-10-07 14:42:26,002 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1192 [2019-10-07 14:42:26,221 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:42:27,074 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:42:28,374 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1196 DAG size of output: 1192 [2019-10-07 14:42:29,249 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1192 [2019-10-07 14:42:29,454 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:42:30,310 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:42:31,185 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 14:42:32,048 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 14:42:32,285 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:42:33,149 WARN L191 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 1199 [2019-10-07 14:42:34,011 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:42:34,874 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:42:35,088 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:42:35,966 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 14:42:37,552 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1192 DAG size of output: 1190 [2019-10-07 14:42:38,419 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:38,639 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:39,521 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:42,130 WARN L191 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 1192 DAG size of output: 1190 [2019-10-07 14:42:43,010 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:43,247 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:44,113 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:44,985 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:45,860 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:46,058 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:46,931 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:48,519 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1192 DAG size of output: 1190 [2019-10-07 14:42:49,393 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:49,605 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:50,470 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:52,034 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1192 DAG size of output: 1190 [2019-10-07 14:42:52,906 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:53,112 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:53,979 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:54,848 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:55,715 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:55,918 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:42:56,787 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1190 [2019-10-07 14:42:57,671 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:42:58,538 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:42:58,750 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:42:59,610 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:43:01,194 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1196 DAG size of output: 1194 [2019-10-07 14:43:02,058 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:43:02,268 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:43:03,138 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:43:04,006 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:43:04,861 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:43:05,062 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:43:05,907 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:43:07,281 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1201 DAG size of output: 1192 [2019-10-07 14:43:08,145 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1192 [2019-10-07 14:43:08,360 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:43:09,217 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:43:10,670 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1194 [2019-10-07 14:43:11,522 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1194 [2019-10-07 14:43:11,737 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:43:12,593 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:43:12,846 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:43:12,847 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 14:43:12,854 INFO L168 Benchmark]: Toolchain (without parser) took 172139.88 ms. Allocated memory was 137.9 MB in the beginning and 755.5 MB in the end (delta: 617.6 MB). Free memory was 98.8 MB in the beginning and 67.1 MB in the end (delta: 31.7 MB). Peak memory consumption was 649.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:12,855 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 14:43:12,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1120.79 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 98.6 MB in the beginning and 134.5 MB in the end (delta: -36.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:12,857 INFO L168 Benchmark]: Boogie Preprocessor took 177.81 ms. Allocated memory is still 203.4 MB. Free memory was 134.5 MB in the beginning and 125.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:12,857 INFO L168 Benchmark]: RCFGBuilder took 5050.28 ms. Allocated memory was 203.4 MB in the beginning and 297.3 MB in the end (delta: 93.8 MB). Free memory was 125.4 MB in the beginning and 90.3 MB in the end (delta: 35.1 MB). Peak memory consumption was 128.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:12,858 INFO L168 Benchmark]: TraceAbstraction took 165786.33 ms. Allocated memory was 297.3 MB in the beginning and 755.5 MB in the end (delta: 458.2 MB). Free memory was 90.3 MB in the beginning and 67.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 481.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:12,861 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 137.9 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1120.79 ms. Allocated memory was 137.9 MB in the beginning and 203.4 MB in the end (delta: 65.5 MB). Free memory was 98.6 MB in the beginning and 134.5 MB in the end (delta: -36.0 MB). Peak memory consumption was 34.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 177.81 ms. Allocated memory is still 203.4 MB. Free memory was 134.5 MB in the beginning and 125.4 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5050.28 ms. Allocated memory was 203.4 MB in the beginning and 297.3 MB in the end (delta: 93.8 MB). Free memory was 125.4 MB in the beginning and 90.3 MB in the end (delta: 35.1 MB). Peak memory consumption was 128.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 165786.33 ms. Allocated memory was 297.3 MB in the beginning and 755.5 MB in the end (delta: 458.2 MB). Free memory was 90.3 MB in the beginning and 67.1 MB in the end (delta: 23.2 MB). Peak memory consumption was 481.4 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...