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_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:11:29,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:11:29,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:11:29,561 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:11:29,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:11:29,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:11:29,564 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:11:29,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:11:29,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:11:29,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:11:29,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:11:29,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:11:29,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:11:29,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:11:29,572 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:11:29,573 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:11:29,574 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:11:29,575 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:11:29,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:11:29,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:11:29,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:11:29,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:11:29,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:11:29,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:11:29,585 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:11:29,585 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:11:29,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:11:29,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:11:29,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:11:29,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:11:29,588 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:11:29,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:11:29,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:11:29,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:11:29,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:11:29,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:11:29,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:11:29,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:11:29,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:11:29,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:11:29,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:11:29,596 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 03:11:29,612 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:11:29,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:11:29,614 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:11:29,614 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:11:29,614 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:11:29,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:11:29,615 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:11:29,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:11:29,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:11:29,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:11:29,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:11:29,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:11:29,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:11:29,616 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:11:29,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:11:29,616 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:11:29,617 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:11:29,617 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:11:29,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:11:29,617 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:11:29,617 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:11:29,618 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:11:29,618 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:11:29,618 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:11:29,618 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:11:29,618 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:11:29,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:11:29,619 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:11:29,619 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 03:11:29,876 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:11:29,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:11:29,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:11:29,892 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:11:29,893 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:11:29,893 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product23.cil.c [2019-10-15 03:11:29,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848bde82b/d52612fcffd241ea8b55c5b17b4e1a1f/FLAG128cd740d [2019-10-15 03:11:30,547 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:11:30,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product23.cil.c [2019-10-15 03:11:30,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848bde82b/d52612fcffd241ea8b55c5b17b4e1a1f/FLAG128cd740d [2019-10-15 03:11:30,827 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/848bde82b/d52612fcffd241ea8b55c5b17b4e1a1f [2019-10-15 03:11:30,835 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:11:30,836 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:11:30,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:30,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:11:30,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:11:30,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:30" (1/1) ... [2019-10-15 03:11:30,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67df4a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:30, skipping insertion in model container [2019-10-15 03:11:30,843 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:11:30" (1/1) ... [2019-10-15 03:11:30,849 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:11:30,924 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:11:31,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:31,629 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:11:31,744 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:11:31,835 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:11:31,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31 WrapperNode [2019-10-15 03:11:31,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:11:31,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:11:31,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:11:31,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:11:31,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:31,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:31,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:31,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:31,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:31,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:32,000 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31" (1/1) ... [2019-10-15 03:11:32,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:11:32,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:11:32,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:11:32,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:11:32,033 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31" (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 [2019-10-15 03:11:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:11:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:11:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:32,120 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:11:32,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:11:32,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:11:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:11:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:11:32,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:32,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:32,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:11:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:11:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:11:32,126 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:11:32,127 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:11:32,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:11:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:11:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:11:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:11:32,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:11:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:11:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:11:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:11:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:11:32,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:11:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:11:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:11:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:11:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:11:32,132 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:11:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:11:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:11:32,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:11:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:11:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:11:32,134 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:11:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:11:32,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:11:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:11:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:11:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:11:32,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:11:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:11:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:11:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:11:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:11:32,137 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:11:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:11:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:11:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:11:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:11:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:11:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:11:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:11:32,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:11:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:11:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:11:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:11:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:11:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:11:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:11:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:11:32,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:11:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:11:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:11:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:11:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:11:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:11:32,142 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:11:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:11:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:11:32,143 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:11:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:11:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:11:32,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:11:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:11:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:11:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:11:32,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:11:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:11:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:11:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:11:32,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:11:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:11:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:11:32,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:11:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:11:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:11:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:11:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:11:32,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:11:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:11:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:11:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:11:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:11:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:11:32,149 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:11:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:11:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-15 03:11:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:11:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:11:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:11:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:11:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:11:32,150 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:11:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:11:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:11:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:11:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:11:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:11:32,151 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:11:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:11:32,152 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:11:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:11:32,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:11:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:11:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:11:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:11:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:11:32,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:11:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:11:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:11:32,154 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:11:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:11:32,155 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:11:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:11:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:11:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:11:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:11:32,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:11:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:11:32,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:11:32,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:11:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:11:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:11:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:11:32,161 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:11:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:11:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:11:32,162 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:11:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:11:32,163 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:11:32,164 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:11:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:11:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:11:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:11:32,171 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:11:32,172 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:11:32,172 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:11:32,172 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:11:32,172 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:11:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:11:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:11:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:11:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:11:32,173 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:11:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:11:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:11:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:11:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:11:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:11:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:11:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:11:32,174 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:11:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:11:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:11:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:11:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:11:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:11:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:11:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:11:32,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:11:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:11:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:11:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:11:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:11:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:11:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:11:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:11:32,176 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:11:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:11:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:11:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:11:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:11:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:11:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:11:32,177 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:11:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:11:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:11:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:11:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:11:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:11:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:11:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:11:32,178 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:11:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:11:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:11:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:11:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:11:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:11:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:11:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:11:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:11:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:11:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:11:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:11:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:11:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:11:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:11:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:11:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:11:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:11:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:11:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:11:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:11:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:11:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:11:32,181 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:11:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:11:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:11:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:11:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:11:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:11:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:11:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:11:32,182 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:11:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:11:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:11:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:11:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:11:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:11:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:11:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:11:32,183 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:11:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:11:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:11:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:11:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-15 03:11:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:11:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:11:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:11:32,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:11:36,192 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:11:36,192 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:11:36,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:36 BoogieIcfgContainer [2019-10-15 03:11:36,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:11:36,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:11:36,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:11:36,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:11:36,200 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:11:30" (1/3) ... [2019-10-15 03:11:36,201 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68707993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:36, skipping insertion in model container [2019-10-15 03:11:36,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:11:31" (2/3) ... [2019-10-15 03:11:36,202 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68707993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:11:36, skipping insertion in model container [2019-10-15 03:11:36,202 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:11:36" (3/3) ... [2019-10-15 03:11:36,203 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product23.cil.c [2019-10-15 03:11:36,213 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:11:36,222 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:11:36,231 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:11:36,258 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:11:36,258 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:11:36,259 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:11:36,259 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:11:36,259 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:11:36,259 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:11:36,259 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:11:36,259 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:11:36,291 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states. [2019-10-15 03:11:36,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-15 03:11:36,324 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:36,326 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] [2019-10-15 03:11:36,329 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:36,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:36,340 INFO L82 PathProgramCache]: Analyzing trace with hash -2057364370, now seen corresponding path program 1 times [2019-10-15 03:11:36,397 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:36,397 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841778589] [2019-10-15 03:11:36,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:36,398 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:36,398 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:37,060 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 03:11:37,061 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841778589] [2019-10-15 03:11:37,062 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:37,062 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:11:37,062 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102488585] [2019-10-15 03:11:37,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:11:37,071 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:37,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:11:37,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:11:37,087 INFO L87 Difference]: Start difference. First operand 392 states. Second operand 2 states. [2019-10-15 03:11:37,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:37,177 INFO L93 Difference]: Finished difference Result 534 states and 630 transitions. [2019-10-15 03:11:37,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:11:37,181 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 151 [2019-10-15 03:11:37,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:37,200 INFO L225 Difference]: With dead ends: 534 [2019-10-15 03:11:37,200 INFO L226 Difference]: Without dead ends: 349 [2019-10-15 03:11:37,210 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 03:11:37,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2019-10-15 03:11:37,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2019-10-15 03:11:37,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2019-10-15 03:11:37,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 408 transitions. [2019-10-15 03:11:37,321 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 408 transitions. Word has length 151 [2019-10-15 03:11:37,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:37,323 INFO L462 AbstractCegarLoop]: Abstraction has 349 states and 408 transitions. [2019-10-15 03:11:37,323 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:11:37,324 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 408 transitions. [2019-10-15 03:11:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-15 03:11:37,329 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:37,329 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] [2019-10-15 03:11:37,329 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:37,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:37,330 INFO L82 PathProgramCache]: Analyzing trace with hash 241342507, now seen corresponding path program 1 times [2019-10-15 03:11:37,330 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:37,330 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879519734] [2019-10-15 03:11:37,331 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:37,331 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:37,331 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:37,558 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 03:11:37,558 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879519734] [2019-10-15 03:11:37,559 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:37,559 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:37,559 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390547489] [2019-10-15 03:11:37,561 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:37,561 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:37,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:37,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:37,562 INFO L87 Difference]: Start difference. First operand 349 states and 408 transitions. Second operand 3 states. [2019-10-15 03:11:37,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:37,602 INFO L93 Difference]: Finished difference Result 519 states and 596 transitions. [2019-10-15 03:11:37,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:37,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-15 03:11:37,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:37,606 INFO L225 Difference]: With dead ends: 519 [2019-10-15 03:11:37,607 INFO L226 Difference]: Without dead ends: 351 [2019-10-15 03:11:37,609 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 03:11:37,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-10-15 03:11:37,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2019-10-15 03:11:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-10-15 03:11:37,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 410 transitions. [2019-10-15 03:11:37,633 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 410 transitions. Word has length 152 [2019-10-15 03:11:37,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:37,634 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 410 transitions. [2019-10-15 03:11:37,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 410 transitions. [2019-10-15 03:11:37,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-15 03:11:37,637 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:37,638 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] [2019-10-15 03:11:37,638 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:37,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:37,638 INFO L82 PathProgramCache]: Analyzing trace with hash -516934809, now seen corresponding path program 1 times [2019-10-15 03:11:37,639 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:37,639 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497521896] [2019-10-15 03:11:37,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:37,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:37,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:37,861 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 03:11:37,861 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497521896] [2019-10-15 03:11:37,861 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:37,862 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:37,862 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390798484] [2019-10-15 03:11:37,862 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:37,863 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:37,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:37,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:37,863 INFO L87 Difference]: Start difference. First operand 351 states and 410 transitions. Second operand 3 states. [2019-10-15 03:11:37,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:37,903 INFO L93 Difference]: Finished difference Result 686 states and 830 transitions. [2019-10-15 03:11:37,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:37,903 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-15 03:11:37,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:37,907 INFO L225 Difference]: With dead ends: 686 [2019-10-15 03:11:37,907 INFO L226 Difference]: Without dead ends: 393 [2019-10-15 03:11:37,909 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 03:11:37,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-15 03:11:37,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 392. [2019-10-15 03:11:37,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2019-10-15 03:11:37,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 481 transitions. [2019-10-15 03:11:37,933 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 481 transitions. Word has length 161 [2019-10-15 03:11:37,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:37,934 INFO L462 AbstractCegarLoop]: Abstraction has 392 states and 481 transitions. [2019-10-15 03:11:37,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:37,934 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 481 transitions. [2019-10-15 03:11:37,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-15 03:11:37,940 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:37,940 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] [2019-10-15 03:11:37,942 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:37,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:37,944 INFO L82 PathProgramCache]: Analyzing trace with hash -737202454, now seen corresponding path program 1 times [2019-10-15 03:11:37,944 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:37,944 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596053603] [2019-10-15 03:11:37,944 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:37,944 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:37,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:38,083 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 03:11:38,084 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596053603] [2019-10-15 03:11:38,084 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:38,084 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:38,085 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017622863] [2019-10-15 03:11:38,085 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:38,086 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:38,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:38,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:38,086 INFO L87 Difference]: Start difference. First operand 392 states and 481 transitions. Second operand 3 states. [2019-10-15 03:11:38,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:38,125 INFO L93 Difference]: Finished difference Result 806 states and 1038 transitions. [2019-10-15 03:11:38,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:38,126 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-15 03:11:38,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:38,131 INFO L225 Difference]: With dead ends: 806 [2019-10-15 03:11:38,131 INFO L226 Difference]: Without dead ends: 472 [2019-10-15 03:11:38,134 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 03:11:38,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2019-10-15 03:11:38,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 471. [2019-10-15 03:11:38,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2019-10-15 03:11:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 617 transitions. [2019-10-15 03:11:38,177 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 617 transitions. Word has length 162 [2019-10-15 03:11:38,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:38,179 INFO L462 AbstractCegarLoop]: Abstraction has 471 states and 617 transitions. [2019-10-15 03:11:38,179 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 617 transitions. [2019-10-15 03:11:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-15 03:11:38,185 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:38,186 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] [2019-10-15 03:11:38,186 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:38,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:38,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1530035865, now seen corresponding path program 1 times [2019-10-15 03:11:38,187 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:38,188 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976543479] [2019-10-15 03:11:38,188 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:38,188 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:38,189 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:38,401 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 03:11:38,402 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976543479] [2019-10-15 03:11:38,402 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:11:38,402 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:11:38,402 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119369224] [2019-10-15 03:11:38,404 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:11:38,404 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:11:38,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:11:38,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:11:38,405 INFO L87 Difference]: Start difference. First operand 471 states and 617 transitions. Second operand 3 states. [2019-10-15 03:11:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:11:38,442 INFO L93 Difference]: Finished difference Result 1037 states and 1436 transitions. [2019-10-15 03:11:38,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:11:38,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2019-10-15 03:11:38,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:11:38,450 INFO L225 Difference]: With dead ends: 1037 [2019-10-15 03:11:38,451 INFO L226 Difference]: Without dead ends: 624 [2019-10-15 03:11:38,453 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 03:11:38,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 624 states. [2019-10-15 03:11:38,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 624 to 623. [2019-10-15 03:11:38,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2019-10-15 03:11:38,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 877 transitions. [2019-10-15 03:11:38,494 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 877 transitions. Word has length 163 [2019-10-15 03:11:38,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:11:38,496 INFO L462 AbstractCegarLoop]: Abstraction has 623 states and 877 transitions. [2019-10-15 03:11:38,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:11:38,566 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 877 transitions. [2019-10-15 03:11:38,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-15 03:11:38,570 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:11:38,571 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] [2019-10-15 03:11:38,571 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:11:38,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:11:38,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1538302887, now seen corresponding path program 1 times [2019-10-15 03:11:38,572 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:11:38,572 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308212516] [2019-10-15 03:11:38,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:38,572 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:11:38,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:11:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:38,801 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 03:11:38,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308212516] [2019-10-15 03:11:38,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665293669] [2019-10-15 03:11:38,802 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 03:11:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:11:39,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 2790 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:11:39,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:11:39,601 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:39,601 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:11:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:11:39,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [949800062] [2019-10-15 03:11:39,863 INFO L162 IcfgInterpreter]: Started Sifa with 152 locations of interest [2019-10-15 03:11:39,863 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:11:39,871 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:11:39,879 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:11:39,880 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs