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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:07:28,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:07:28,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:07:28,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:07:28,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:07:28,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:07:28,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:07:29,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:07:29,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:07:29,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:07:29,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:07:29,011 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:07:29,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:07:29,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:07:29,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:07:29,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:07:29,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:07:29,021 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:07:29,023 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:07:29,024 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:07:29,026 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:07:29,027 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:07:29,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:07:29,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:07:29,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:07:29,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:07:29,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:07:29,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:07:29,033 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:07:29,034 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:07:29,034 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:07:29,035 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:07:29,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:07:29,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:07:29,039 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:07:29,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:07:29,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:07:29,041 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:07:29,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:07:29,042 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:07:29,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:07:29,044 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 15:07:29,066 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:07:29,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:07:29,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:07:29,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:07:29,069 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:07:29,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:07:29,069 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:07:29,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:07:29,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:07:29,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:07:29,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:07:29,071 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:07:29,071 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:07:29,072 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:07:29,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:07:29,072 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:07:29,072 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:07:29,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:07:29,073 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:07:29,073 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:07:29,073 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:07:29,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:07:29,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:07:29,074 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:07:29,074 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:07:29,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:07:29,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:07:29,075 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:07:29,075 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 15:07:29,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:07:29,375 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:07:29,378 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:07:29,380 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:07:29,380 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:07:29,381 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product28.cil.c [2019-10-07 15:07:29,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a81effb/1262f64efcb2403d92aedb288138bc72/FLAG2f0e1d8a4 [2019-10-07 15:07:30,105 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:07:30,108 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product28.cil.c [2019-10-07 15:07:30,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a81effb/1262f64efcb2403d92aedb288138bc72/FLAG2f0e1d8a4 [2019-10-07 15:07:30,322 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c1a81effb/1262f64efcb2403d92aedb288138bc72 [2019-10-07 15:07:30,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:07:30,332 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:07:30,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:07:30,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:07:30,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:07:30,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:30" (1/1) ... [2019-10-07 15:07:30,340 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aceb178 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:30, skipping insertion in model container [2019-10-07 15:07:30,341 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:30" (1/1) ... [2019-10-07 15:07:30,348 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:07:30,426 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:07:31,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:07:31,306 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:07:31,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:07:31,537 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:07:31,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31 WrapperNode [2019-10-07 15:07:31,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:07:31,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:07:31,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:07:31,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:07:31,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31" (1/1) ... [2019-10-07 15:07:31,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31" (1/1) ... [2019-10-07 15:07:31,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31" (1/1) ... [2019-10-07 15:07:31,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31" (1/1) ... [2019-10-07 15:07:31,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31" (1/1) ... [2019-10-07 15:07:31,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31" (1/1) ... [2019-10-07 15:07:31,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31" (1/1) ... [2019-10-07 15:07:31,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:07:31,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:07:31,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:07:31,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:07:31,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31" (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 15:07:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:07:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:07:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:07:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:07:31,887 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:07:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:07:31,888 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:07:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:07:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:07:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-07 15:07:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 15:07:31,890 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:07:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:07:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:07:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:07:31,891 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:07:31,893 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:07:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:07:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:07:31,894 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:07:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:07:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:07:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:07:31,895 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:07:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:07:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:07:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:07:31,896 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:07:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:07:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:07:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:07:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:07:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:07:31,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:07:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:07:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:07:31,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:07:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:07:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:07:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:07:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:07:31,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:07:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:07:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:07:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:07:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:07:31,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:07:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:07:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:07:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:07:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:07:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:07:31,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:07:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:07:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:07:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:07:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:07:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:07:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:07:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:07:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:07:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:07:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:07:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:07:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:07:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:07:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:07:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:07:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:07:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:07:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:07:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:07:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:07:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:07:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:07:31,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:07:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:07:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:07:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:07:31,909 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:07:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:07:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:07:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:07:31,910 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:07:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:07:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:07:31,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:07:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:07:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:07:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:07:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:07:31,912 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:07:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:07:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:07:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:07:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:07:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:07:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:07:31,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:07:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:07:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:07:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:07:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:07:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:07:31,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:07:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:07:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:07:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:07:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:07:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:07:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:07:31,915 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:07:31,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:07:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:07:31,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:07:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:07:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:07:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:07:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:07:31,917 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:07:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:07:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:07:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:07:31,918 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:07:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:07:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:07:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:07:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:07:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:07:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:07:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:07:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:07:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:07:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:07:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:07:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:07:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:07:31,925 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:07:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:07:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:07:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:07:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:07:31,926 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:07:31,927 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:07:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:07:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-07 15:07:31,934 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 15:07:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:07:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:07:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:07:31,935 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:07:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:07:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:07:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:07:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:07:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:07:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:07:31,936 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:07:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:07:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:07:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:07:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:07:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:07:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:07:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:07:31,937 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:07:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:07:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:07:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:07:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:07:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:07:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:07:31,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:07:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:07:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:07:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:07:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:07:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:07:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:07:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:07:31,939 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:07:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:07:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:07:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:07:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:07:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:07:31,940 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:07:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:07:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:07:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:07:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:07:31,941 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:07:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:07:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:07:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:07:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:07:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:07:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:07:31,942 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:07:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:07:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:07:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:07:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:07:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:07:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:07:31,943 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:07:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:07:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:07:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:07:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:07:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:07:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:07:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:07:31,944 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:07:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:07:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:07:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:07:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:07:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:07:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:07:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:07:31,945 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:07:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:07:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:07:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:07:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:07:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:07:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:07:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:07:31,946 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:07:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:07:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:07:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:07:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:07:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:07:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:07:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:07:31,947 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:07:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:07:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:07:31,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:07:36,694 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:07:36,694 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:07:36,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:36 BoogieIcfgContainer [2019-10-07 15:07:36,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:07:36,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:07:36,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:07:36,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:07:36,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:07:30" (1/3) ... [2019-10-07 15:07:36,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d34ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:36, skipping insertion in model container [2019-10-07 15:07:36,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:31" (2/3) ... [2019-10-07 15:07:36,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d34ca91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:36, skipping insertion in model container [2019-10-07 15:07:36,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:36" (3/3) ... [2019-10-07 15:07:36,704 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product28.cil.c [2019-10-07 15:07:36,715 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:07:36,724 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:07:36,736 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:07:36,766 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:07:36,766 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:07:36,766 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:07:36,766 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:07:36,766 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:07:36,767 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:07:36,767 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:07:36,767 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:07:36,795 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states. [2019-10-07 15:07:36,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 15:07:36,811 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:36,812 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:36,814 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:36,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:36,821 INFO L82 PathProgramCache]: Analyzing trace with hash -888853171, now seen corresponding path program 1 times [2019-10-07 15:07:36,830 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:36,830 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:36,831 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:36,831 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:36,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:37,400 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 15:07:37,400 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:37,401 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:37,401 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:07:37,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:07:37,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:07:37,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:07:37,425 INFO L87 Difference]: Start difference. First operand 376 states. Second operand 2 states. [2019-10-07 15:07:37,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:37,489 INFO L93 Difference]: Finished difference Result 525 states and 623 transitions. [2019-10-07 15:07:37,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:07:37,491 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-07 15:07:37,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:37,510 INFO L225 Difference]: With dead ends: 525 [2019-10-07 15:07:37,511 INFO L226 Difference]: Without dead ends: 334 [2019-10-07 15:07:37,517 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 15:07:37,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2019-10-07 15:07:37,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2019-10-07 15:07:37,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-10-07 15:07:37,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 396 transitions. [2019-10-07 15:07:37,619 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 396 transitions. Word has length 125 [2019-10-07 15:07:37,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:37,623 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 396 transitions. [2019-10-07 15:07:37,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:07:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 396 transitions. [2019-10-07 15:07:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-07 15:07:37,636 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:37,637 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:37,637 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:37,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:37,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1100530126, now seen corresponding path program 1 times [2019-10-07 15:07:37,638 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:37,639 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:37,639 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:37,639 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:37,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:37,903 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 15:07:37,904 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:37,904 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:37,905 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:37,911 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:37,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:37,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:37,912 INFO L87 Difference]: Start difference. First operand 334 states and 396 transitions. Second operand 3 states. [2019-10-07 15:07:37,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:37,992 INFO L93 Difference]: Finished difference Result 510 states and 594 transitions. [2019-10-07 15:07:37,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:37,993 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-07 15:07:37,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:37,999 INFO L225 Difference]: With dead ends: 510 [2019-10-07 15:07:37,999 INFO L226 Difference]: Without dead ends: 336 [2019-10-07 15:07:38,002 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 15:07:38,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2019-10-07 15:07:38,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 336. [2019-10-07 15:07:38,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-10-07 15:07:38,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 398 transitions. [2019-10-07 15:07:38,068 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 398 transitions. Word has length 126 [2019-10-07 15:07:38,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:38,069 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 398 transitions. [2019-10-07 15:07:38,069 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:38,072 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 398 transitions. [2019-10-07 15:07:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 15:07:38,076 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:38,076 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 15:07:38,077 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:38,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:38,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1425474562, now seen corresponding path program 1 times [2019-10-07 15:07:38,078 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:38,078 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:38,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:38,078 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:38,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:38,417 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 15:07:38,418 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:38,418 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:38,418 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:38,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:38,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:38,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:38,422 INFO L87 Difference]: Start difference. First operand 336 states and 398 transitions. Second operand 3 states. [2019-10-07 15:07:38,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:38,483 INFO L93 Difference]: Finished difference Result 652 states and 800 transitions. [2019-10-07 15:07:38,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:38,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-07 15:07:38,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:38,491 INFO L225 Difference]: With dead ends: 652 [2019-10-07 15:07:38,491 INFO L226 Difference]: Without dead ends: 374 [2019-10-07 15:07:38,497 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 15:07:38,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2019-10-07 15:07:38,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 373. [2019-10-07 15:07:38,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-10-07 15:07:38,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 463 transitions. [2019-10-07 15:07:38,534 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 463 transitions. Word has length 131 [2019-10-07 15:07:38,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:38,538 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 463 transitions. [2019-10-07 15:07:38,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:38,538 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 463 transitions. [2019-10-07 15:07:38,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 15:07:38,541 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:38,541 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 15:07:38,542 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:38,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:38,542 INFO L82 PathProgramCache]: Analyzing trace with hash 488746191, now seen corresponding path program 1 times [2019-10-07 15:07:38,542 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:38,542 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:38,543 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:38,543 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:38,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-07 15:07:38,745 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:38,745 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:38,745 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:38,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:38,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:38,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:38,747 INFO L87 Difference]: Start difference. First operand 373 states and 463 transitions. Second operand 3 states. [2019-10-07 15:07:38,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:38,779 INFO L93 Difference]: Finished difference Result 593 states and 717 transitions. [2019-10-07 15:07:38,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:38,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-07 15:07:38,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:38,783 INFO L225 Difference]: With dead ends: 593 [2019-10-07 15:07:38,783 INFO L226 Difference]: Without dead ends: 422 [2019-10-07 15:07:38,784 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 15:07:38,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2019-10-07 15:07:38,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 422. [2019-10-07 15:07:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-07 15:07:38,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 512 transitions. [2019-10-07 15:07:38,808 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 512 transitions. Word has length 132 [2019-10-07 15:07:38,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:38,809 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 512 transitions. [2019-10-07 15:07:38,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:38,809 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 512 transitions. [2019-10-07 15:07:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-10-07 15:07:38,814 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:38,815 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:38,815 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:38,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:38,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1934603350, now seen corresponding path program 1 times [2019-10-07 15:07:38,816 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:38,816 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:38,816 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:38,816 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:38,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:07:39,851 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:39,851 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:07:39,851 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 15:07:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:40,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 3017 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:07:40,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:07:40,703 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-07 15:07:40,703 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:07:41,313 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-07 15:07:41,313 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:07:41,354 INFO L162 IcfgInterpreter]: Started Sifa with 186 locations of interest [2019-10-07 15:07:41,354 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:07:41,362 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:07:41,370 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:07:41,371 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:08:51,501 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 15:08:55,793 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 323 DAG size of output: 263 [2019-10-07 15:08:56,214 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 739 [2019-10-07 15:08:56,649 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 739 [2019-10-07 15:08:57,013 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 739 [2019-10-07 15:08:57,300 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:58,038 WARN L191 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:58,699 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:59,350 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:08:59,533 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:09:00,221 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:09:01,709 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1041 DAG size of output: 1039 [2019-10-07 15:09:02,360 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:09:02,507 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:09:03,143 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:09:03,776 WARN L191 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:09:04,443 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:09:04,570 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:09:05,187 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 15:09:05,212 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 15:09:05,712 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-10-07 15:09:05,905 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-10-07 15:09:06,039 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:09:06,520 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 964 [2019-10-07 15:09:06,522 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1073 for LOIs [2019-10-07 15:09:07,160 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 15:09:07,793 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1073 [2019-10-07 15:09:08,014 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 15:09:08,900 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 1195 [2019-10-07 15:09:09,574 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:10,187 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:10,409 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:11,267 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:11,969 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:12,585 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:12,817 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:13,659 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:14,736 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1079 [2019-10-07 15:09:15,377 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:15,783 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:16,664 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:17,302 WARN L191 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:17,938 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:18,144 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:18,996 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:19,634 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:20,268 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:20,504 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:21,383 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:22,000 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:22,645 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:22,859 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:23,737 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:24,357 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:24,996 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:25,193 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:26,060 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:26,699 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:27,326 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:27,528 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:28,388 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:29,007 WARN L191 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:29,643 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:29,863 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:30,735 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:31,363 WARN L191 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:31,999 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:32,198 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:33,074 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:33,692 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:34,334 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:34,539 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:35,404 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:36,049 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:36,695 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2019-10-07 15:09:36,893 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:37,774 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:38,711 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:39,585 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:39,797 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:40,663 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:42,273 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 15:09:43,121 WARN L191 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:43,406 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:44,271 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:45,131 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:46,000 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:46,209 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:09:47,071 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:09:47,996 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:09:48,858 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:09:49,063 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:09:49,912 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:09:51,410 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1203 [2019-10-07 15:09:52,264 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:09:52,484 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:09:53,364 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:09:54,870 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1203 [2019-10-07 15:09:55,741 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:09:55,985 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:09:56,858 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:09:58,477 WARN L191 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:09:59,337 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:09:59,539 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:10:00,414 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:10:01,253 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:10:02,155 WARN L191 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:10:02,371 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:10:03,226 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 15:10:05,724 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 15:10:06,583 WARN L191 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:06,793 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:10:07,660 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:09,253 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 15:10:10,110 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:10,342 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:10:11,204 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:12,061 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:12,937 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:13,141 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:10:14,007 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:16,496 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 15:10:17,357 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:17,568 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:10:18,420 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:20,002 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1203 DAG size of output: 1201 [2019-10-07 15:10:20,860 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:21,070 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:10:21,926 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:22,794 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:23,668 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:23,870 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 15:10:24,708 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-07 15:10:26,226 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1203 [2019-10-07 15:10:27,079 WARN L191 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:10:27,286 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:10:28,156 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:10:29,643 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1203 [2019-10-07 15:10:30,494 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:10:30,709 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:10:31,563 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:10:32,445 WARN L191 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:10:33,297 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:10:33,500 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:10:34,376 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:10:35,890 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1203 [2019-10-07 15:10:36,733 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1203 [2019-10-07 15:10:36,945 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:10:37,801 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:10:39,326 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1209 DAG size of output: 1205 [2019-10-07 15:10:40,199 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 15:10:40,421 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 15:10:41,292 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 15:10:41,567 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:10:41,570 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 15:10:41,577 INFO L168 Benchmark]: Toolchain (without parser) took 191245.07 ms. Allocated memory was 138.4 MB in the beginning and 800.1 MB in the end (delta: 661.7 MB). Free memory was 100.8 MB in the beginning and 237.6 MB in the end (delta: -136.8 MB). Peak memory consumption was 524.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:41,578 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 15:10:41,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1207.54 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.6 MB in the beginning and 137.9 MB in the end (delta: -37.2 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:41,579 INFO L168 Benchmark]: Boogie Preprocessor took 267.81 ms. Allocated memory is still 202.9 MB. Free memory was 137.9 MB in the beginning and 128.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:41,580 INFO L168 Benchmark]: RCFGBuilder took 4887.56 ms. Allocated memory was 202.9 MB in the beginning and 293.1 MB in the end (delta: 90.2 MB). Free memory was 128.2 MB in the beginning and 243.2 MB in the end (delta: -115.0 MB). Peak memory consumption was 140.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:41,581 INFO L168 Benchmark]: TraceAbstraction took 184877.83 ms. Allocated memory was 293.1 MB in the beginning and 800.1 MB in the end (delta: 507.0 MB). Free memory was 240.0 MB in the beginning and 237.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 509.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:41,585 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1207.54 ms. Allocated memory was 138.4 MB in the beginning and 202.9 MB in the end (delta: 64.5 MB). Free memory was 100.6 MB in the beginning and 137.9 MB in the end (delta: -37.2 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 267.81 ms. Allocated memory is still 202.9 MB. Free memory was 137.9 MB in the beginning and 128.2 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4887.56 ms. Allocated memory was 202.9 MB in the beginning and 293.1 MB in the end (delta: 90.2 MB). Free memory was 128.2 MB in the beginning and 243.2 MB in the end (delta: -115.0 MB). Peak memory consumption was 140.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 184877.83 ms. Allocated memory was 293.1 MB in the beginning and 800.1 MB in the end (delta: 507.0 MB). Free memory was 240.0 MB in the beginning and 237.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 509.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...