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_spec8_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:06:59,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:06:59,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:06:59,884 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:06:59,885 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:06:59,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:06:59,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:06:59,897 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:06:59,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:06:59,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:06:59,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:06:59,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:06:59,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:06:59,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:06:59,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:06:59,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:06:59,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:06:59,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:06:59,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:06:59,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:06:59,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:06:59,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:06:59,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:06:59,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:06:59,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:06:59,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:06:59,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:06:59,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:06:59,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:06:59,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:06:59,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:06:59,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:06:59,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:06:59,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:06:59,928 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:06:59,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:06:59,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:06:59,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:06:59,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:06:59,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:06:59,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:06:59,936 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 15:06:59,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:06:59,958 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:06:59,959 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:06:59,959 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:06:59,960 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:06:59,960 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:06:59,960 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:06:59,960 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:06:59,960 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:06:59,960 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:06:59,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:06:59,961 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:06:59,961 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:06:59,961 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:06:59,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:06:59,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:06:59,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:06:59,962 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:06:59,962 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:06:59,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:06:59,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:06:59,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:06:59,963 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:06:59,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:06:59,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:06:59,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:06:59,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:06:59,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:06:59,965 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 15:07:00,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:07:00,275 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:07:00,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:07:00,280 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:07:00,280 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:07:00,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2019-10-07 15:07:00,354 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75b09846c/082d947c4e0d4d10992f022a9ab53306/FLAG97c2f6b15 [2019-10-07 15:07:00,985 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:07:00,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2019-10-07 15:07:01,013 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75b09846c/082d947c4e0d4d10992f022a9ab53306/FLAG97c2f6b15 [2019-10-07 15:07:01,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/75b09846c/082d947c4e0d4d10992f022a9ab53306 [2019-10-07 15:07:01,201 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:07:01,202 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:07:01,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:07:01,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:07:01,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:07:01,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:01" (1/1) ... [2019-10-07 15:07:01,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e394a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:01, skipping insertion in model container [2019-10-07 15:07:01,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:01" (1/1) ... [2019-10-07 15:07:01,218 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:07:01,291 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:07:02,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:07:02,057 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:07:02,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:07:02,356 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:07:02,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02 WrapperNode [2019-10-07 15:07:02,356 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:07:02,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:07:02,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:07:02,358 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:07:02,373 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02" (1/1) ... [2019-10-07 15:07:02,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02" (1/1) ... [2019-10-07 15:07:02,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02" (1/1) ... [2019-10-07 15:07:02,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02" (1/1) ... [2019-10-07 15:07:02,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02" (1/1) ... [2019-10-07 15:07:02,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02" (1/1) ... [2019-10-07 15:07:02,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02" (1/1) ... [2019-10-07 15:07:02,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:07:02,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:07:02,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:07:02,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:07:02,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02" (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 15:07:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:07:02,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:07:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:07:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:07:02,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:07:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:07:02,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:07:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:07:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:07:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:07:02,660 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:07:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:07:02,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:07:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:07:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:07:02,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:07:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:07:02,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:07:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:07:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:07:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:07:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:07:02,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:07:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:07:02,667 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:07:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:07:02,668 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:07:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:07:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:07:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:07:02,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:07:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:07:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:07:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:07:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:07:02,670 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:07:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:07:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:07:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:07:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:07:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:07:02,671 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:07:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:07:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:07:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:07:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:07:02,672 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:07:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:07:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:07:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:07:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:07:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:07:02,673 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:07:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:07:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:07:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:07:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:07:02,674 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:07:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:07:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:07:02,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:07:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:07:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:07:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:07:02,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:07:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:07:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:07:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:07:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:07:02,677 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:07:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:07:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:07:02,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:07:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:07:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:07:02,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:07:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:07:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:07:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:07:02,680 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:07:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:07:02,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:07:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:07:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:07:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:07:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:07:02,682 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:07:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:07:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:07:02,683 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:07:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:07:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:07:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:07:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:07:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:07:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:07:02,684 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 15:07:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 15:07:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:07:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:07:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:07:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:07:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:07:02,685 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:07:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:07:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:07:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:07:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:07:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:07:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:07:02,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:07:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:07:02,687 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:07:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:07:02,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:07:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:07:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:07:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:07:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:07:02,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:07:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:07:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:07:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:07:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:07:02,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:07:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:07:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:07:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:07:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:07:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:07:02,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:07:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:07:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:07:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:07:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:07:02,696 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:07:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:07:02,697 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:07:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:07:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:07:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:07:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:07:02,698 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:07:02,699 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:07:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:07:02,706 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:07:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:07:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:07:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:07:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:07:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:07:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:07:02,707 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:07:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:07:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:07:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:07:02,708 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:07:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:07:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:07:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:07:02,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:07:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:07:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:07:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:07:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:07:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:07:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:07:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:07:02,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:07:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:07:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:07:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:07:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:07:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:07:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:07:02,711 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:07:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:07:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:07:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:07:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:07:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:07:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:07:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:07:02,712 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:07:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:07:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:07:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:07:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:07:02,713 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:07:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:07:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:07:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:07:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:07:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:07:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:07:02,714 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:07:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:07:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:07:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:07:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:07:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:07:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:07:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:07:02,715 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:07:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:07:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:07:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:07:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:07:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:07:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:07:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:07:02,716 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:07:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:07:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:07:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:07:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:07:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:07:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:07:02,717 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:07:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:07:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:07:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:07:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:07:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:07:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:07:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:07:02,718 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:07:02,719 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 15:07:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 15:07:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 15:07:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:07:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:07:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:07:02,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:07:07,110 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:07:07,111 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:07:07,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:07 BoogieIcfgContainer [2019-10-07 15:07:07,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:07:07,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:07:07,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:07:07,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:07:07,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:07:01" (1/3) ... [2019-10-07 15:07:07,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c75419f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:07, skipping insertion in model container [2019-10-07 15:07:07,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:02" (2/3) ... [2019-10-07 15:07:07,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c75419f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:07, skipping insertion in model container [2019-10-07 15:07:07,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:07" (3/3) ... [2019-10-07 15:07:07,121 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2019-10-07 15:07:07,132 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:07:07,141 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:07:07,216 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:07:07,247 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:07:07,248 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:07:07,248 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:07:07,249 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:07:07,253 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:07:07,254 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:07:07,254 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:07:07,254 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:07:07,285 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states. [2019-10-07 15:07:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 15:07:07,301 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:07,302 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] [2019-10-07 15:07:07,304 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:07,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:07,309 INFO L82 PathProgramCache]: Analyzing trace with hash 422861143, now seen corresponding path program 1 times [2019-10-07 15:07:07,317 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:07,317 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:07,317 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:07,317 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:07,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:07,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:07,944 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 15:07:07,945 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:07,945 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:07,946 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:07:07,952 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:07:07,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:07:07,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:07:07,970 INFO L87 Difference]: Start difference. First operand 389 states. Second operand 2 states. [2019-10-07 15:07:08,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:08,041 INFO L93 Difference]: Finished difference Result 518 states and 617 transitions. [2019-10-07 15:07:08,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:07:08,044 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-07 15:07:08,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:08,063 INFO L225 Difference]: With dead ends: 518 [2019-10-07 15:07:08,063 INFO L226 Difference]: Without dead ends: 341 [2019-10-07 15:07:08,069 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 15:07:08,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-10-07 15:07:08,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2019-10-07 15:07:08,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-10-07 15:07:08,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 403 transitions. [2019-10-07 15:07:08,152 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 403 transitions. Word has length 121 [2019-10-07 15:07:08,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:08,155 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 403 transitions. [2019-10-07 15:07:08,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:07:08,155 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 403 transitions. [2019-10-07 15:07:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 15:07:08,161 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:08,161 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] [2019-10-07 15:07:08,161 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:08,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:08,162 INFO L82 PathProgramCache]: Analyzing trace with hash 955406957, now seen corresponding path program 1 times [2019-10-07 15:07:08,162 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:08,162 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:08,163 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:08,163 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:08,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:08,374 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 15:07:08,375 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:08,375 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:08,375 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:08,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:08,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:08,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:08,378 INFO L87 Difference]: Start difference. First operand 341 states and 403 transitions. Second operand 3 states. [2019-10-07 15:07:08,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:08,439 INFO L93 Difference]: Finished difference Result 503 states and 586 transitions. [2019-10-07 15:07:08,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:08,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-07 15:07:08,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:08,446 INFO L225 Difference]: With dead ends: 503 [2019-10-07 15:07:08,447 INFO L226 Difference]: Without dead ends: 343 [2019-10-07 15:07:08,452 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 15:07:08,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-10-07 15:07:08,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2019-10-07 15:07:08,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-10-07 15:07:08,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 405 transitions. [2019-10-07 15:07:08,495 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 405 transitions. Word has length 122 [2019-10-07 15:07:08,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:08,496 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 405 transitions. [2019-10-07 15:07:08,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:08,496 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 405 transitions. [2019-10-07 15:07:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 15:07:08,500 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:08,500 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] [2019-10-07 15:07:08,500 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:08,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:08,501 INFO L82 PathProgramCache]: Analyzing trace with hash -379364, now seen corresponding path program 1 times [2019-10-07 15:07:08,501 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:08,502 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:08,502 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:08,502 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:08,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:08,713 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 15:07:08,713 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:08,713 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:08,713 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:08,716 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:08,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:08,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:08,716 INFO L87 Difference]: Start difference. First operand 343 states and 405 transitions. Second operand 3 states. [2019-10-07 15:07:08,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:08,783 INFO L93 Difference]: Finished difference Result 670 states and 820 transitions. [2019-10-07 15:07:08,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:08,784 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-07 15:07:08,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:08,794 INFO L225 Difference]: With dead ends: 670 [2019-10-07 15:07:08,794 INFO L226 Difference]: Without dead ends: 385 [2019-10-07 15:07:08,798 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 15:07:08,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-10-07 15:07:08,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 384. [2019-10-07 15:07:08,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2019-10-07 15:07:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 476 transitions. [2019-10-07 15:07:08,840 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 476 transitions. Word has length 131 [2019-10-07 15:07:08,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:08,841 INFO L462 AbstractCegarLoop]: Abstraction has 384 states and 476 transitions. [2019-10-07 15:07:08,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 476 transitions. [2019-10-07 15:07:08,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 15:07:08,849 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:08,849 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] [2019-10-07 15:07:08,849 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:08,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:08,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1617566755, now seen corresponding path program 1 times [2019-10-07 15:07:08,850 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:08,850 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:08,850 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:08,850 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:08,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:09,007 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 15:07:09,007 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:09,008 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:09,008 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:09,008 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:09,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:09,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:09,009 INFO L87 Difference]: Start difference. First operand 384 states and 476 transitions. Second operand 3 states. [2019-10-07 15:07:09,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:09,053 INFO L93 Difference]: Finished difference Result 790 states and 1028 transitions. [2019-10-07 15:07:09,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:09,057 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-07 15:07:09,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:09,062 INFO L225 Difference]: With dead ends: 790 [2019-10-07 15:07:09,062 INFO L226 Difference]: Without dead ends: 464 [2019-10-07 15:07:09,064 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 15:07:09,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-07 15:07:09,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 463. [2019-10-07 15:07:09,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-10-07 15:07:09,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 612 transitions. [2019-10-07 15:07:09,101 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 612 transitions. Word has length 132 [2019-10-07 15:07:09,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:09,103 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 612 transitions. [2019-10-07 15:07:09,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 612 transitions. [2019-10-07 15:07:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-07 15:07:09,109 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:09,109 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] [2019-10-07 15:07:09,110 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:09,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:09,110 INFO L82 PathProgramCache]: Analyzing trace with hash -262439639, now seen corresponding path program 1 times [2019-10-07 15:07:09,111 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:09,111 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:09,111 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:09,111 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:09,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:09,356 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 15:07:09,356 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:09,356 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:07:09,357 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 15:07:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:10,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 2644 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:07:10,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:07:10,397 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 15:07:10,398 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:07:10,583 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 15:07:10,583 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:07:10,614 INFO L162 IcfgInterpreter]: Started Sifa with 124 locations of interest [2019-10-07 15:07:10,614 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:07:10,621 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:07:10,630 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:07:10,631 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:08:26,222 WARN L191 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:08:30,534 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 306 DAG size of output: 249 [2019-10-07 15:08:31,024 WARN L191 SmtUtils]: Spent 481.00 ms on a formula simplification that was a NOOP. DAG size: 739 [2019-10-07 15:08:31,510 WARN L191 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 739 [2019-10-07 15:08:31,853 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 739 [2019-10-07 15:08:32,110 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:32,901 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:33,585 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:34,248 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:34,395 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:35,028 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:36,774 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1041 DAG size of output: 1039 [2019-10-07 15:08:37,464 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:37,642 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:38,255 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:38,892 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:39,529 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:39,649 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:40,241 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:40,268 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 15:08:40,622 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 666 [2019-10-07 15:08:40,733 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 666 [2019-10-07 15:08:40,856 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:41,312 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 966 [2019-10-07 15:08:41,314 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1091 for LOIs [2019-10-07 15:08:41,915 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:42,492 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:42,764 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:43,727 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:08:44,333 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:44,926 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:45,169 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:46,132 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:08:46,779 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:47,361 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:47,605 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:48,565 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:08:49,531 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 1281 DAG size of output: 1091 [2019-10-07 15:08:50,119 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:50,589 WARN L191 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:51,554 WARN L191 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:08:52,160 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:52,742 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:52,974 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:53,908 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:08:54,484 WARN L191 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:55,085 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:55,319 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:56,253 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:08:56,830 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:57,409 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:57,665 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:58,617 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:08:59,196 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:08:59,776 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:00,025 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:00,963 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:01,541 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:02,123 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:02,358 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:03,292 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:03,867 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:04,445 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:04,674 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:05,623 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:06,202 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:06,779 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:07,009 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:07,944 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:08,522 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:09,101 WARN L191 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:09,337 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:10,278 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:10,856 WARN L191 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:11,428 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1091 [2019-10-07 15:09:11,659 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:12,596 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:13,600 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:14,535 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:14,777 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:15,729 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:17,477 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1281 DAG size of output: 1279 [2019-10-07 15:09:18,417 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:18,656 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:19,586 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:20,540 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:21,489 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:21,725 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:22,679 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:23,672 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:09:24,627 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:09:24,874 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:25,821 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:09:26,822 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:09:27,772 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:09:28,028 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:28,972 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:09:29,921 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:09:30,870 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:09:31,105 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:32,057 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:09:33,023 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:33,980 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:34,239 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:35,185 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:36,149 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 15:09:37,112 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 15:09:37,359 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:38,323 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 15:09:40,090 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1281 DAG size of output: 1279 [2019-10-07 15:09:41,046 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:41,308 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:42,259 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:43,986 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1281 DAG size of output: 1279 [2019-10-07 15:09:44,939 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:45,244 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:46,214 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:47,173 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:48,131 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:48,365 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:49,321 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:51,614 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 1281 DAG size of output: 1279 [2019-10-07 15:09:52,575 WARN L191 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:52,823 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:53,778 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:55,514 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1281 DAG size of output: 1279 [2019-10-07 15:09:56,478 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:56,723 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:57,671 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:58,624 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:59,569 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:09:59,804 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:10:00,753 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1279 [2019-10-07 15:10:03,220 WARN L191 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 1285 DAG size of output: 1281 [2019-10-07 15:10:04,177 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1281 [2019-10-07 15:10:04,425 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:10:05,378 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:10:07,550 WARN L191 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1285 DAG size of output: 1283 [2019-10-07 15:10:08,490 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:10:08,733 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:10:09,674 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:10:11,378 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1285 DAG size of output: 1281 [2019-10-07 15:10:12,318 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1281 [2019-10-07 15:10:12,557 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:10:13,506 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1283 [2019-10-07 15:10:14,455 WARN L191 SmtUtils]: Spent 941.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:10:15,394 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:10:15,821 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:10:16,779 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:10:17,727 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 15:10:18,682 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 15:10:18,926 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:10:19,877 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 15:10:20,139 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:10:20,141 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 15:10:20,147 INFO L168 Benchmark]: Toolchain (without parser) took 198945.05 ms. Allocated memory was 138.9 MB in the beginning and 744.0 MB in the end (delta: 605.0 MB). Free memory was 101.3 MB in the beginning and 21.4 MB in the end (delta: 80.0 MB). Peak memory consumption was 685.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:20,148 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:10:20,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1154.04 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.1 MB in the beginning and 138.3 MB in the end (delta: -37.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:20,149 INFO L168 Benchmark]: Boogie Preprocessor took 229.12 ms. Allocated memory is still 204.5 MB. Free memory was 138.3 MB in the beginning and 129.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:20,150 INFO L168 Benchmark]: RCFGBuilder took 4525.99 ms. Allocated memory was 204.5 MB in the beginning and 294.6 MB in the end (delta: 90.2 MB). Free memory was 129.2 MB in the beginning and 82.5 MB in the end (delta: 46.7 MB). Peak memory consumption was 136.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:20,151 INFO L168 Benchmark]: TraceAbstraction took 193031.58 ms. Allocated memory was 294.6 MB in the beginning and 744.0 MB in the end (delta: 449.3 MB). Free memory was 82.5 MB in the beginning and 21.4 MB in the end (delta: 61.2 MB). Peak memory consumption was 510.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:20,155 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1154.04 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 101.1 MB in the beginning and 138.3 MB in the end (delta: -37.2 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 229.12 ms. Allocated memory is still 204.5 MB. Free memory was 138.3 MB in the beginning and 129.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4525.99 ms. Allocated memory was 204.5 MB in the beginning and 294.6 MB in the end (delta: 90.2 MB). Free memory was 129.2 MB in the beginning and 82.5 MB in the end (delta: 46.7 MB). Peak memory consumption was 136.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 193031.58 ms. Allocated memory was 294.6 MB in the beginning and 744.0 MB in the end (delta: 449.3 MB). Free memory was 82.5 MB in the beginning and 21.4 MB in the end (delta: 61.2 MB). Peak memory consumption was 510.5 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...