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_spec1_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:46:31,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:46:31,961 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:46:31,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:46:31,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:46:31,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:46:31,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:46:31,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:46:31,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:46:32,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:46:32,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:46:32,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:46:32,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:46:32,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:46:32,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:46:32,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:46:32,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:46:32,012 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:46:32,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:46:32,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:46:32,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:46:32,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:46:32,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:46:32,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:46:32,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:46:32,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:46:32,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:46:32,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:46:32,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:46:32,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:46:32,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:46:32,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:46:32,041 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:46:32,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:46:32,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:46:32,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:46:32,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:46:32,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:46:32,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:46:32,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:46:32,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:46:32,046 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 14:46:32,060 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:46:32,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:46:32,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:46:32,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:46:32,062 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:46:32,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:46:32,062 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:46:32,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:46:32,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:46:32,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:46:32,063 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:46:32,063 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:46:32,063 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:46:32,063 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:46:32,064 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:46:32,064 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:46:32,064 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:46:32,064 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:46:32,064 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:46:32,065 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:46:32,065 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:46:32,065 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:46:32,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:46:32,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:46:32,066 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:46:32,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:46:32,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:46:32,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:46:32,066 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 14:46:32,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:46:32,378 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:46:32,381 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:46:32,383 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:46:32,383 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:46:32,384 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product32.cil.c [2019-10-07 14:46:32,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc6848d1/cd25015cc2064deebd07d12c35cf8246/FLAG40051cc58 [2019-10-07 14:46:33,034 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:46:33,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product32.cil.c [2019-10-07 14:46:33,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc6848d1/cd25015cc2064deebd07d12c35cf8246/FLAG40051cc58 [2019-10-07 14:46:33,307 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc6848d1/cd25015cc2064deebd07d12c35cf8246 [2019-10-07 14:46:33,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:46:33,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:46:33,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:33,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:46:33,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:46:33,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:33" (1/1) ... [2019-10-07 14:46:33,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caf3c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33, skipping insertion in model container [2019-10-07 14:46:33,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:33" (1/1) ... [2019-10-07 14:46:33,338 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:46:33,427 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:46:34,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:34,240 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:46:34,407 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:34,514 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:46:34,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34 WrapperNode [2019-10-07 14:46:34,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:34,516 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:46:34,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:46:34,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:46:34,530 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34" (1/1) ... [2019-10-07 14:46:34,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34" (1/1) ... [2019-10-07 14:46:34,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34" (1/1) ... [2019-10-07 14:46:34,569 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34" (1/1) ... [2019-10-07 14:46:34,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34" (1/1) ... [2019-10-07 14:46:34,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34" (1/1) ... [2019-10-07 14:46:34,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34" (1/1) ... [2019-10-07 14:46:34,742 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:46:34,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:46:34,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:46:34,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:46:34,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34" (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 14:46:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:46:34,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:46:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:46:34,824 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:46:34,825 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:46:34,826 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:46:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:46:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:46:34,827 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:46:34,828 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:46:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:46:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:46:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:46:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:46:34,829 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:46:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:46:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:46:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:46:34,832 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:46:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:46:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:46:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:46:34,833 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:46:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:46:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:46:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:46:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:46:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:46:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:46:34,834 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:46:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:46:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:46:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:46:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:46:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:46:34,835 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:46:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:46:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:46:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:46:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:46:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:46:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:46:34,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:46:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:46:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:46:34,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:46:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:46:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:46:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:46:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:46:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:34,839 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:46:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:46:34,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:46:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:46:34,841 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:46:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:46:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:46:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:46:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:46:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:46:34,842 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:46:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:46:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:46:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:46:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:46:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:46:34,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:46:34,844 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:46:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:46:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:46:34,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:46:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:46:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:46:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:46:34,846 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:46:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:46:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:46:34,847 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:46:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:46:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:46:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:46:34,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:46:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:46:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:46:34,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:46:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:46:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:46:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:46:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:46:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:46:34,850 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:46:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:46:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:46:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:46:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:46:34,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:46:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:46:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:46:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:46:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:46:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:46:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:46:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:46:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:46:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:46:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:46:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:46:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:46:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:46:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:46:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:46:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:46:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:46:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:46:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:46:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:46:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:46:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:46:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:46:34,860 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:46:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:46:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:46:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:46:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:46:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:46:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:46:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:46:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:46:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:46:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:46:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:46:34,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:46:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:46:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:46:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:46:34,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:46:34,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:46:34,873 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:46:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:46:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:46:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:46:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:46:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:46:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:46:34,874 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:46:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:46:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:46:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:46:34,875 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:46:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:46:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:46:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:46:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:46:34,876 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:46:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:46:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:46:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:46:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:46:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:46:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:46:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:46:34,877 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:46:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:46:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:46:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:46:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:46:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:46:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:46:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:46:34,878 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:46:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:46:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:46:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:46:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:46:34,879 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:46:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:46:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:46:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:46:34,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:46:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:46:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:46:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:46:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:46:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:46:34,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:46:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:46:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:46:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:46:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:46:34,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:46:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:46:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:46:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:46:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:34,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:46:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:46:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:46:34,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:46:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:46:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:46:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:46:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:46:34,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:46:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:46:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:46:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:46:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:46:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:46:34,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:46:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:46:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:46:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:46:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:46:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:46:34,887 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:46:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:46:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:46:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:46:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:46:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:46:34,888 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:46:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:46:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:46:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:46:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:46:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:46:34,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:46:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:46:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:46:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:46:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:46:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:46:34,890 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:46:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:46:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:46:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:46:34,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:46:34,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:46:39,618 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:46:39,619 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:46:39,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:39 BoogieIcfgContainer [2019-10-07 14:46:39,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:46:39,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:46:39,622 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:46:39,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:46:39,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:46:33" (1/3) ... [2019-10-07 14:46:39,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721f06a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:39, skipping insertion in model container [2019-10-07 14:46:39,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:34" (2/3) ... [2019-10-07 14:46:39,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721f06a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:39, skipping insertion in model container [2019-10-07 14:46:39,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:39" (3/3) ... [2019-10-07 14:46:39,629 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product32.cil.c [2019-10-07 14:46:39,642 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:46:39,653 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:46:39,665 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:46:39,693 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:46:39,693 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:46:39,693 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:46:39,694 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:46:39,694 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:46:39,694 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:46:39,694 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:46:39,694 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:46:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states. [2019-10-07 14:46:39,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 14:46:39,740 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:39,741 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:46:39,744 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:39,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:39,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1699195021, now seen corresponding path program 1 times [2019-10-07 14:46:39,760 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:39,760 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:39,761 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:39,761 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:40,513 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:40,514 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:40,515 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:46:40,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:46:40,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:46:40,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:46:40,537 INFO L87 Difference]: Start difference. First operand 444 states. Second operand 2 states. [2019-10-07 14:46:40,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:40,609 INFO L93 Difference]: Finished difference Result 628 states and 750 transitions. [2019-10-07 14:46:40,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:46:40,611 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-07 14:46:40,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:40,637 INFO L225 Difference]: With dead ends: 628 [2019-10-07 14:46:40,637 INFO L226 Difference]: Without dead ends: 396 [2019-10-07 14:46:40,652 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 14:46:40,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-10-07 14:46:40,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 396. [2019-10-07 14:46:40,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2019-10-07 14:46:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 469 transitions. [2019-10-07 14:46:40,823 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 469 transitions. Word has length 132 [2019-10-07 14:46:40,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:40,827 INFO L462 AbstractCegarLoop]: Abstraction has 396 states and 469 transitions. [2019-10-07 14:46:40,828 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:46:40,828 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 469 transitions. [2019-10-07 14:46:40,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 14:46:40,851 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:40,851 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:46:40,851 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:40,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:40,852 INFO L82 PathProgramCache]: Analyzing trace with hash -91207852, now seen corresponding path program 1 times [2019-10-07 14:46:40,854 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:40,854 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:40,854 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:40,854 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:40,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:41,104 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:41,104 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:41,105 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:41,106 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:41,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:41,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:41,107 INFO L87 Difference]: Start difference. First operand 396 states and 469 transitions. Second operand 3 states. [2019-10-07 14:46:41,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:41,154 INFO L93 Difference]: Finished difference Result 613 states and 718 transitions. [2019-10-07 14:46:41,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:41,156 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-07 14:46:41,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:41,168 INFO L225 Difference]: With dead ends: 613 [2019-10-07 14:46:41,168 INFO L226 Difference]: Without dead ends: 398 [2019-10-07 14:46:41,172 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 14:46:41,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-10-07 14:46:41,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2019-10-07 14:46:41,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-07 14:46:41,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 471 transitions. [2019-10-07 14:46:41,222 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 471 transitions. Word has length 133 [2019-10-07 14:46:41,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:41,224 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 471 transitions. [2019-10-07 14:46:41,224 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 471 transitions. [2019-10-07 14:46:41,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-07 14:46:41,228 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:41,228 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:41,228 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:41,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:41,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1720966965, now seen corresponding path program 1 times [2019-10-07 14:46:41,229 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:41,229 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:41,229 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:41,230 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:41,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:41,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:41,400 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:41,400 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:41,400 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:41,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:41,401 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:41,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:41,402 INFO L87 Difference]: Start difference. First operand 398 states and 471 transitions. Second operand 3 states. [2019-10-07 14:46:41,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:41,472 INFO L93 Difference]: Finished difference Result 780 states and 952 transitions. [2019-10-07 14:46:41,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:41,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-10-07 14:46:41,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:41,479 INFO L225 Difference]: With dead ends: 780 [2019-10-07 14:46:41,479 INFO L226 Difference]: Without dead ends: 440 [2019-10-07 14:46:41,482 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 14:46:41,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-07 14:46:41,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2019-10-07 14:46:41,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-10-07 14:46:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 542 transitions. [2019-10-07 14:46:41,527 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 542 transitions. Word has length 142 [2019-10-07 14:46:41,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:41,529 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 542 transitions. [2019-10-07 14:46:41,529 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:41,529 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 542 transitions. [2019-10-07 14:46:41,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-07 14:46:41,536 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:41,538 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:41,538 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:41,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:41,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1802617281, now seen corresponding path program 1 times [2019-10-07 14:46:41,539 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:41,539 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:41,539 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:41,540 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:41,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:41,867 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:41,867 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:41,868 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:41,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:41,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:41,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:41,869 INFO L87 Difference]: Start difference. First operand 439 states and 542 transitions. Second operand 3 states. [2019-10-07 14:46:41,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:41,904 INFO L93 Difference]: Finished difference Result 900 states and 1160 transitions. [2019-10-07 14:46:41,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:41,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 143 [2019-10-07 14:46:41,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:41,910 INFO L225 Difference]: With dead ends: 900 [2019-10-07 14:46:41,910 INFO L226 Difference]: Without dead ends: 519 [2019-10-07 14:46:41,912 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 14:46:41,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2019-10-07 14:46:41,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 518. [2019-10-07 14:46:41,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2019-10-07 14:46:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 678 transitions. [2019-10-07 14:46:41,945 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 678 transitions. Word has length 143 [2019-10-07 14:46:41,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:41,947 INFO L462 AbstractCegarLoop]: Abstraction has 518 states and 678 transitions. [2019-10-07 14:46:41,947 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:41,947 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 678 transitions. [2019-10-07 14:46:41,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 14:46:41,951 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:41,952 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:41,952 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:41,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:41,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1367322965, now seen corresponding path program 1 times [2019-10-07 14:46:41,953 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:41,953 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:41,953 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:41,953 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:41,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:46:42,649 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:42,649 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:46:42,650 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 14:46:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:43,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 2898 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:46:43,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:46:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:43,560 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:46:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:43,792 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:46:43,825 INFO L162 IcfgInterpreter]: Started Sifa with 135 locations of interest [2019-10-07 14:46:43,826 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:46:43,834 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:46:43,843 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:46:43,844 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:47:49,507 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 14:47:54,171 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 321 DAG size of output: 261 [2019-10-07 14:47:54,653 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 743 [2019-10-07 14:47:55,239 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 743 [2019-10-07 14:47:55,638 WARN L191 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 743 [2019-10-07 14:47:55,881 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:47:56,827 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 14:47:57,609 WARN L191 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 14:47:58,316 WARN L191 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 14:47:58,487 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:47:59,151 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 14:48:00,450 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1046 DAG size of output: 1044 [2019-10-07 14:48:01,119 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 14:48:01,268 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:48:01,896 WARN L191 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 14:48:02,528 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 14:48:03,179 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 14:48:03,301 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:48:03,931 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 14:48:03,959 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 14:48:04,332 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 666 [2019-10-07 14:48:04,447 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 666 [2019-10-07 14:48:04,574 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2019-10-07 14:48:05,061 WARN L191 SmtUtils]: Spent 485.00 ms on a formula simplification that was a NOOP. DAG size: 967 [2019-10-07 14:48:05,063 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1101 for LOIs [2019-10-07 14:48:05,670 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:06,273 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:06,537 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:07,552 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:08,178 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:08,789 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:09,055 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:10,070 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:10,736 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:11,341 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:11,599 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:12,621 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:13,683 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1310 DAG size of output: 1101 [2019-10-07 14:48:14,300 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:14,855 WARN L191 SmtUtils]: Spent 534.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:15,877 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:16,488 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:17,093 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:17,348 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:18,368 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:18,968 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:19,565 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:19,853 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:20,870 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:21,473 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:22,092 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:22,346 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:23,383 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:23,989 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:24,593 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:24,851 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:25,872 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:26,473 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:27,068 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:27,320 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:28,343 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:28,952 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:29,562 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:29,817 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:30,851 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:31,458 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:32,072 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:32,326 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:33,355 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:33,957 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:34,565 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:34,819 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:35,846 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:36,455 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:37,058 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1101 [2019-10-07 14:48:37,312 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:38,335 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:39,426 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:40,451 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:40,719 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:41,740 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:43,671 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1310 DAG size of output: 1308 [2019-10-07 14:48:44,692 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:44,970 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:46,006 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:47,039 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:48,062 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:48,315 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:48:49,333 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:48:50,498 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:48:51,551 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:48:51,829 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:48:52,878 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:48:55,598 WARN L191 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1310 [2019-10-07 14:48:56,655 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:48:56,928 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:48:57,991 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:48:59,769 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1310 [2019-10-07 14:49:00,826 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:49:01,085 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:02,140 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:03,186 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:49:04,225 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:49:04,488 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:05,541 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:06,596 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:07,645 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:07,918 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:08,976 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:49:12,004 WARN L191 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 1310 DAG size of output: 1308 [2019-10-07 14:49:13,040 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:13,311 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:14,367 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:16,293 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1310 DAG size of output: 1308 [2019-10-07 14:49:17,370 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:17,641 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:18,692 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:19,745 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:20,791 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:21,058 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:22,119 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:24,090 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1310 DAG size of output: 1308 [2019-10-07 14:49:25,162 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:25,439 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:26,504 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:28,450 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1310 DAG size of output: 1308 [2019-10-07 14:49:29,506 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:29,774 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:30,814 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:31,875 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:32,942 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:33,204 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 653 [2019-10-07 14:49:34,262 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1308 [2019-10-07 14:49:35,363 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:36,419 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:36,690 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:37,742 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:39,525 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1310 [2019-10-07 14:49:40,546 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:49:40,808 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:41,839 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:43,602 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1310 [2019-10-07 14:49:44,624 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:49:44,880 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:45,911 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:47,699 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1310 [2019-10-07 14:49:48,742 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1310 [2019-10-07 14:49:49,011 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:50,056 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:51,825 WARN L191 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 1316 DAG size of output: 1312 [2019-10-07 14:49:52,870 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1312 [2019-10-07 14:49:53,140 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2019-10-07 14:49:54,187 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1314 [2019-10-07 14:49:54,446 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:49:54,447 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 14:49:54,454 INFO L168 Benchmark]: Toolchain (without parser) took 201135.48 ms. Allocated memory was 135.3 MB in the beginning and 611.8 MB in the end (delta: 476.6 MB). Free memory was 97.4 MB in the beginning and 189.1 MB in the end (delta: -91.8 MB). Peak memory consumption was 384.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:54,455 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:49:54,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1195.95 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 97.2 MB in the beginning and 131.6 MB in the end (delta: -34.5 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:54,456 INFO L168 Benchmark]: Boogie Preprocessor took 226.73 ms. Allocated memory is still 200.8 MB. Free memory was 131.6 MB in the beginning and 122.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:54,457 INFO L168 Benchmark]: RCFGBuilder took 4874.82 ms. Allocated memory was 200.8 MB in the beginning and 318.8 MB in the end (delta: 118.0 MB). Free memory was 122.0 MB in the beginning and 127.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:54,458 INFO L168 Benchmark]: TraceAbstraction took 194830.01 ms. Allocated memory was 318.8 MB in the beginning and 611.8 MB in the end (delta: 293.1 MB). Free memory was 127.1 MB in the beginning and 189.1 MB in the end (delta: -62.0 MB). Peak memory consumption was 231.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:54,461 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1195.95 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 97.2 MB in the beginning and 131.6 MB in the end (delta: -34.5 MB). Peak memory consumption was 36.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 226.73 ms. Allocated memory is still 200.8 MB. Free memory was 131.6 MB in the beginning and 122.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4874.82 ms. Allocated memory was 200.8 MB in the beginning and 318.8 MB in the end (delta: 118.0 MB). Free memory was 122.0 MB in the beginning and 127.1 MB in the end (delta: -5.2 MB). Peak memory consumption was 112.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 194830.01 ms. Allocated memory was 318.8 MB in the beginning and 611.8 MB in the end (delta: 293.1 MB). Free memory was 127.1 MB in the beginning and 189.1 MB in the end (delta: -62.0 MB). Peak memory consumption was 231.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...