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_spec11_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:11:29,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:11:29,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:11:29,927 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:11:29,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:11:29,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:11:29,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:11:29,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:11:29,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:11:29,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:11:29,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:11:29,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:11:29,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:11:29,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:11:29,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:11:29,957 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:11:29,959 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:11:29,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:11:29,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:11:29,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:11:29,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:11:29,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:11:29,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:11:29,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:11:29,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:11:29,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:11:29,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:11:29,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:11:29,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:11:29,984 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:11:29,984 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:11:29,985 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:11:29,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:11:29,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:11:29,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:11:29,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:11:29,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:11:29,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:11:29,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:11:29,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:11:29,995 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:11:29,997 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:11:30,015 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:11:30,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:11:30,017 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:11:30,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:11:30,017 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:11:30,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:11:30,018 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:11:30,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:11:30,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:11:30,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:11:30,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:11:30,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:11:30,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:11:30,019 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:11:30,019 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:11:30,020 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:11:30,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:11:30,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:11:30,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:11:30,021 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:11:30,021 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:11:30,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:11:30,021 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:11:30,022 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:11:30,022 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:11:30,022 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:11:30,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:11:30,022 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:11:30,023 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:11:30,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:11:30,321 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:11:30,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:11:30,326 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:11:30,326 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:11:30,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product26.cil.c [2019-10-15 03:11:30,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1626e7934/4fde431d440d46f09d538e77ffb903f2/FLAG9da2c1e7f [2019-10-15 03:11:31,029 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:11:31,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product26.cil.c [2019-10-15 03:11:31,058 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1626e7934/4fde431d440d46f09d538e77ffb903f2/FLAG9da2c1e7f [2019-10-15 03:11:31,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1626e7934/4fde431d440d46f09d538e77ffb903f2 [2019-10-15 03:11:31,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:11:31,238 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:11:31,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:31,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:11:31,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:11:31,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:31,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@339748d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31, skipping insertion in model container [2019-10-15 03:11:31,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:31,253 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:11:31,337 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:11:32,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:32,111 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:11:32,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:32,325 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:11:32,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32 WrapperNode [2019-10-15 03:11:32,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:32,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:11:32,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:11:32,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:11:32,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,376 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,440 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... [2019-10-15 03:11:32,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:11:32,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:11:32,524 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:11:32,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:11:32,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:11:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:11:32,618 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:11:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:11:32,619 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:11:32,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:11:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:11:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:11:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:11:32,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:11:32,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:11:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:11:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:11:32,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:11:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:11:32,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:11:32,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:11:32,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:11:32,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:11:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:11:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:11:32,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:11:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:11:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:11:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:11:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:11:32,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:11:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:11:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:11:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:11:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:11:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:11:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:11:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:11:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:11:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:11:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:11:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:11:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:11:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:11:32,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:11:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:11:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:11:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:11:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:11:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:11:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:11:32,633 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:11:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:11:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:11:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:11:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:11:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:11:32,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:11:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:11:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:11:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:11:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:32,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:11:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:11:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:11:32,636 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:11:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:11:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:11:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:11:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:11:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:11:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:11:32,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:11:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:11:32,638 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:11:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:11:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:11:32,639 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:11:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:11:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:11:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:11:32,640 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:11:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:11:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:11:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:11:32,641 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:11:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:11:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:11:32,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:11:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:11:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:11:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:11:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:11:32,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:11:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:11:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:11:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:11:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:11:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:11:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:11:32,644 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:11:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-15 03:11:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:11:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:11:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:11:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:11:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:11:32,645 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:11:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:11:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:11:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:11:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:11:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:11:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:11:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:11:32,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:11:32,647 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:11:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:11:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:11:32,647 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:11:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:11:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:11:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:11:32,648 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:11:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:11:32,649 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:11:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:11:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:11:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:11:32,650 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:11:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:11:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:11:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:11:32,651 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:11:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:11:32,652 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:11:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:11:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:11:32,656 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:11:32,657 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:11:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:11:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:11:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:11:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:11:32,658 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:11:32,659 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:11:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:11:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:11:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:11:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:11:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:11:32,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:11:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:11:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:11:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:11:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:11:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:11:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:11:32,668 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:11:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:11:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:11:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:11:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:11:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:11:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:11:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:11:32,669 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:11:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:11:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:11:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:11:32,670 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:11:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:11:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:11:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:11:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:11:32,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:11:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:11:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:11:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:11:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:11:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:11:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:11:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:11:32,672 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:11:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:11:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:11:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:11:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:11:32,673 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:11:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:11:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:11:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:11:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:11:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:11:32,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:11:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:11:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:11:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:11:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:11:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:11:32,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:11:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:11:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:11:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:11:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:11:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:11:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:11:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:11:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:11:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:11:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:11:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:11:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:11:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:11:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:11:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:11:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:11:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:11:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:11:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:11:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:11:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:11:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:11:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:11:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:11:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:11:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:11:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:11:32,680 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:11:32,681 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:11:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:11:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-15 03:11:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:11:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:11:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:11:32,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:11:32,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:11:37,428 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:11:37,428 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:11:37,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:37 BoogieIcfgContainer [2019-10-15 03:11:37,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:11:37,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:11:37,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:11:37,435 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:11:37,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:11:31" (1/3) ... [2019-10-15 03:11:37,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dffcc6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:37, skipping insertion in model container [2019-10-15 03:11:37,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:32" (2/3) ... [2019-10-15 03:11:37,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dffcc6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:37, skipping insertion in model container [2019-10-15 03:11:37,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:37" (3/3) ... [2019-10-15 03:11:37,439 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product26.cil.c [2019-10-15 03:11:37,449 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:11:37,458 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:11:37,470 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:11:37,500 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:11:37,500 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:11:37,500 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:11:37,501 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:11:37,501 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:11:37,501 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:11:37,501 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:11:37,501 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:11:37,532 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states. [2019-10-15 03:11:37,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-15 03:11:37,551 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:37,552 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:37,555 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:37,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:37,561 INFO L82 PathProgramCache]: Analyzing trace with hash -689159261, now seen corresponding path program 1 times [2019-10-15 03:11:37,571 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:37,571 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702263617] [2019-10-15 03:11:37,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:37,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:37,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:38,237 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702263617] [2019-10-15 03:11:38,238 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:38,238 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:11:38,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931194140] [2019-10-15 03:11:38,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:11:38,247 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:38,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:11:38,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:11:38,264 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 2 states. [2019-10-15 03:11:38,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:38,336 INFO L93 Difference]: Finished difference Result 603 states and 720 transitions. [2019-10-15 03:11:38,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:11:38,337 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 155 [2019-10-15 03:11:38,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:38,357 INFO L225 Difference]: With dead ends: 603 [2019-10-15 03:11:38,357 INFO L226 Difference]: Without dead ends: 387 [2019-10-15 03:11:38,368 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:11:38,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2019-10-15 03:11:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 387. [2019-10-15 03:11:38,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2019-10-15 03:11:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 456 transitions. [2019-10-15 03:11:38,501 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 456 transitions. Word has length 155 [2019-10-15 03:11:38,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:38,504 INFO L462 AbstractCegarLoop]: Abstraction has 387 states and 456 transitions. [2019-10-15 03:11:38,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:11:38,504 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 456 transitions. [2019-10-15 03:11:38,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-15 03:11:38,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:38,511 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:38,511 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:38,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:38,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1252193339, now seen corresponding path program 1 times [2019-10-15 03:11:38,512 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:38,512 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117831610] [2019-10-15 03:11:38,512 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:38,513 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:38,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:38,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117831610] [2019-10-15 03:11:38,813 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:38,813 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:38,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73353504] [2019-10-15 03:11:38,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:38,818 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:38,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:38,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:38,819 INFO L87 Difference]: Start difference. First operand 387 states and 456 transitions. Second operand 3 states. [2019-10-15 03:11:38,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:38,904 INFO L93 Difference]: Finished difference Result 588 states and 685 transitions. [2019-10-15 03:11:38,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:38,957 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-15 03:11:38,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:38,967 INFO L225 Difference]: With dead ends: 588 [2019-10-15 03:11:38,967 INFO L226 Difference]: Without dead ends: 389 [2019-10-15 03:11:38,973 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:38,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-15 03:11:39,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2019-10-15 03:11:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-15 03:11:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 458 transitions. [2019-10-15 03:11:39,020 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 458 transitions. Word has length 156 [2019-10-15 03:11:39,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:39,023 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 458 transitions. [2019-10-15 03:11:39,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:39,023 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 458 transitions. [2019-10-15 03:11:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-15 03:11:39,028 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:39,028 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:39,029 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:39,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:39,029 INFO L82 PathProgramCache]: Analyzing trace with hash -140687942, now seen corresponding path program 1 times [2019-10-15 03:11:39,029 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:39,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251024191] [2019-10-15 03:11:39,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:39,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:39,030 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:39,226 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:39,226 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251024191] [2019-10-15 03:11:39,227 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:39,227 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:39,227 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519697040] [2019-10-15 03:11:39,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:39,228 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:39,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:39,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:39,229 INFO L87 Difference]: Start difference. First operand 389 states and 458 transitions. Second operand 3 states. [2019-10-15 03:11:39,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:39,285 INFO L93 Difference]: Finished difference Result 764 states and 929 transitions. [2019-10-15 03:11:39,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:39,286 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-15 03:11:39,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:39,293 INFO L225 Difference]: With dead ends: 764 [2019-10-15 03:11:39,294 INFO L226 Difference]: Without dead ends: 433 [2019-10-15 03:11:39,298 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:39,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-10-15 03:11:39,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 432. [2019-10-15 03:11:39,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-10-15 03:11:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 532 transitions. [2019-10-15 03:11:39,342 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 532 transitions. Word has length 168 [2019-10-15 03:11:39,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:39,343 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 532 transitions. [2019-10-15 03:11:39,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:39,343 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 532 transitions. [2019-10-15 03:11:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-15 03:11:39,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:39,353 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:39,353 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:39,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:39,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1930129255, now seen corresponding path program 1 times [2019-10-15 03:11:39,354 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:39,354 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302261870] [2019-10-15 03:11:39,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:39,355 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:39,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:11:40,401 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302261870] [2019-10-15 03:11:40,401 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:40,401 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-15 03:11:40,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247889302] [2019-10-15 03:11:40,402 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-15 03:11:40,402 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:40,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-15 03:11:40,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2019-10-15 03:11:40,404 INFO L87 Difference]: Start difference. First operand 432 states and 532 transitions. Second operand 30 states. [2019-10-15 03:11:50,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:50,148 INFO L93 Difference]: Finished difference Result 900 states and 1112 transitions. [2019-10-15 03:11:50,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-15 03:11:50,149 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 169 [2019-10-15 03:11:50,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:50,155 INFO L225 Difference]: With dead ends: 900 [2019-10-15 03:11:50,156 INFO L226 Difference]: Without dead ends: 711 [2019-10-15 03:11:50,158 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=181, Invalid=2171, Unknown=0, NotChecked=0, Total=2352 [2019-10-15 03:11:50,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2019-10-15 03:11:50,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 699. [2019-10-15 03:11:50,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-10-15 03:11:50,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 866 transitions. [2019-10-15 03:11:50,215 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 866 transitions. Word has length 169 [2019-10-15 03:11:50,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:50,218 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 866 transitions. [2019-10-15 03:11:50,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-15 03:11:50,218 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 866 transitions. [2019-10-15 03:11:50,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-15 03:11:50,224 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:50,224 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:50,224 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:50,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:50,225 INFO L82 PathProgramCache]: Analyzing trace with hash 455119866, now seen corresponding path program 1 times [2019-10-15 03:11:50,225 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:50,226 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376767295] [2019-10-15 03:11:50,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:50,226 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:50,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:11:50,475 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376767295] [2019-10-15 03:11:50,475 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:50,475 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-15 03:11:50,475 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618383152] [2019-10-15 03:11:50,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-15 03:11:50,479 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:50,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-15 03:11:50,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:11:50,480 INFO L87 Difference]: Start difference. First operand 699 states and 866 transitions. Second operand 10 states. [2019-10-15 03:11:50,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:50,544 INFO L93 Difference]: Finished difference Result 708 states and 877 transitions. [2019-10-15 03:11:50,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-15 03:11:50,545 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2019-10-15 03:11:50,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:50,553 INFO L225 Difference]: With dead ends: 708 [2019-10-15 03:11:50,554 INFO L226 Difference]: Without dead ends: 705 [2019-10-15 03:11:50,555 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-15 03:11:50,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2019-10-15 03:11:50,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 705. [2019-10-15 03:11:50,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 705 states. [2019-10-15 03:11:50,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 705 states and 872 transitions. [2019-10-15 03:11:50,592 INFO L78 Accepts]: Start accepts. Automaton has 705 states and 872 transitions. Word has length 173 [2019-10-15 03:11:50,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:50,595 INFO L462 AbstractCegarLoop]: Abstraction has 705 states and 872 transitions. [2019-10-15 03:11:50,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-15 03:11:50,596 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 872 transitions. [2019-10-15 03:11:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-15 03:11:50,602 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:50,602 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:50,603 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:50,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:50,603 INFO L82 PathProgramCache]: Analyzing trace with hash -936288293, now seen corresponding path program 1 times [2019-10-15 03:11:50,603 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:50,604 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744400203] [2019-10-15 03:11:50,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:50,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:50,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:11:51,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744400203] [2019-10-15 03:11:51,179 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:51,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2019-10-15 03:11:51,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676327421] [2019-10-15 03:11:51,180 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-15 03:11:51,180 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:51,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-15 03:11:51,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-10-15 03:11:51,181 INFO L87 Difference]: Start difference. First operand 705 states and 872 transitions. Second operand 14 states. [2019-10-15 03:11:54,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:54,639 INFO L93 Difference]: Finished difference Result 1502 states and 1847 transitions. [2019-10-15 03:11:54,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-15 03:11:54,640 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 175 [2019-10-15 03:11:54,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:54,652 INFO L225 Difference]: With dead ends: 1502 [2019-10-15 03:11:54,652 INFO L226 Difference]: Without dead ends: 1306 [2019-10-15 03:11:54,654 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=119, Invalid=531, Unknown=0, NotChecked=0, Total=650 [2019-10-15 03:11:54,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2019-10-15 03:11:54,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1260. [2019-10-15 03:11:54,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1260 states. [2019-10-15 03:11:54,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1260 states and 1550 transitions. [2019-10-15 03:11:54,760 INFO L78 Accepts]: Start accepts. Automaton has 1260 states and 1550 transitions. Word has length 175 [2019-10-15 03:11:54,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:54,761 INFO L462 AbstractCegarLoop]: Abstraction has 1260 states and 1550 transitions. [2019-10-15 03:11:54,761 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-15 03:11:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1550 transitions. [2019-10-15 03:11:54,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-15 03:11:54,766 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:54,766 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:54,767 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:54,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:54,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1372468373, now seen corresponding path program 1 times [2019-10-15 03:11:54,767 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:54,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103699371] [2019-10-15 03:11:54,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:54,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:54,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:54,927 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:54,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103699371] [2019-10-15 03:11:54,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:54,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:54,928 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201514463] [2019-10-15 03:11:54,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:54,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:54,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:54,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:54,931 INFO L87 Difference]: Start difference. First operand 1260 states and 1550 transitions. Second operand 3 states. [2019-10-15 03:11:55,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:55,008 INFO L93 Difference]: Finished difference Result 2580 states and 3242 transitions. [2019-10-15 03:11:55,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:55,009 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-10-15 03:11:55,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:55,017 INFO L225 Difference]: With dead ends: 2580 [2019-10-15 03:11:55,017 INFO L226 Difference]: Without dead ends: 1378 [2019-10-15 03:11:55,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:55,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1378 states. [2019-10-15 03:11:55,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1378 to 1376. [2019-10-15 03:11:55,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2019-10-15 03:11:55,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1750 transitions. [2019-10-15 03:11:55,109 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1750 transitions. Word has length 190 [2019-10-15 03:11:55,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:55,111 INFO L462 AbstractCegarLoop]: Abstraction has 1376 states and 1750 transitions. [2019-10-15 03:11:55,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1750 transitions. [2019-10-15 03:11:55,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 03:11:55,117 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:55,117 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:11:55,117 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:55,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:55,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1285722424, now seen corresponding path program 1 times [2019-10-15 03:11:55,118 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:55,118 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125714474] [2019-10-15 03:11:55,118 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:55,119 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:55,119 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:55,603 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-15 03:11:55,604 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125714474] [2019-10-15 03:11:55,604 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583663179] [2019-10-15 03:11:55,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:11:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:56,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 2904 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:11:56,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:11:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:11:56,407 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:11:56,676 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:11:56,677 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1403581431] [2019-10-15 03:11:56,717 INFO L162 IcfgInterpreter]: Started Sifa with 174 locations of interest [2019-10-15 03:11:56,717 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:11:56,725 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:11:56,733 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:11:56,734 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs