/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:17:25,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:17:25,011 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:17:25,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:17:25,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:17:25,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:17:25,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:17:25,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:17:25,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:17:25,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:17:25,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:17:25,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:17:25,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:17:25,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:17:25,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:17:25,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:17:25,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:17:25,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:17:25,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:17:25,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:17:25,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:17:25,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:17:25,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:17:25,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:17:25,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:17:25,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:17:25,079 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:17:25,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:17:25,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:17:25,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:17:25,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:17:25,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:17:25,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:17:25,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:17:25,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:17:25,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:17:25,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:17:25,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:17:25,089 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:17:25,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:17:25,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:17:25,091 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 [2019-11-07 04:17:25,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:17:25,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:17:25,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:17:25,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:17:25,115 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:17:25,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:17:25,119 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:17:25,120 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:17:25,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:17:25,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:17:25,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:17:25,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:17:25,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:17:25,122 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:17:25,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:17:25,122 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:17:25,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:17:25,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:17:25,123 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:17:25,123 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:17:25,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:17:25,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:17:25,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:17:25,128 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:17:25,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:17:25,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:17:25,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:17:25,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:17:25,129 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 [2019-11-07 04:17:25,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:17:25,418 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:17:25,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:17:25,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:17:25,424 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:17:25,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-11-07 04:17:25,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6947a0a/e1a46d58acf94256bc4f82aa2ea55722/FLAGe231277aa [2019-11-07 04:17:26,128 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:17:26,128 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2019-11-07 04:17:26,147 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6947a0a/e1a46d58acf94256bc4f82aa2ea55722/FLAGe231277aa [2019-11-07 04:17:26,316 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b6947a0a/e1a46d58acf94256bc4f82aa2ea55722 [2019-11-07 04:17:26,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:17:26,325 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:17:26,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:17:26,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:17:26,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:17:26,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:26" (1/1) ... [2019-11-07 04:17:26,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798903f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:26, skipping insertion in model container [2019-11-07 04:17:26,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:17:26" (1/1) ... [2019-11-07 04:17:26,342 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:17:26,426 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:17:27,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:17:27,206 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:17:27,333 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:17:27,430 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:17:27,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27 WrapperNode [2019-11-07 04:17:27,431 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:17:27,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:17:27,433 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:17:27,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:17:27,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27" (1/1) ... [2019-11-07 04:17:27,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27" (1/1) ... [2019-11-07 04:17:27,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27" (1/1) ... [2019-11-07 04:17:27,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27" (1/1) ... [2019-11-07 04:17:27,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27" (1/1) ... [2019-11-07 04:17:27,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27" (1/1) ... [2019-11-07 04:17:27,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27" (1/1) ... [2019-11-07 04:17:27,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:17:27,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:17:27,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:17:27,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:17:27,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27" (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 [2019-11-07 04:17:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:17:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:17:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:17:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:17:27,766 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-11-07 04:17:27,767 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-07 04:17:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:17:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:17:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:17:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:17:27,768 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:17:27,769 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 04:17:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:17:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:17:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:17:27,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:17:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:17:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:17:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:17:27,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:17:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:17:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:17:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:17:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:17:27,774 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:17:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:17:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:17:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:17:27,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:17:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:17:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:17:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:17:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:17:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:17:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:17:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:17:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:17:27,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:17:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:17:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:17:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:17:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:17:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:17:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:17:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:17:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:17:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:17:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:17:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:17:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:17:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:17:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:17:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:17:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:17:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:17:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:17:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:17:27,781 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:17:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:17:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:17:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:17:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:17:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:17:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:17:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:17:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:17:27,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:17:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:17:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:17:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:17:27,785 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:17:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:17:27,786 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:17:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:17:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:17:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:17:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:17:27,788 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:17:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:17:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:17:27,789 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:17:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:17:27,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:17:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:17:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:17:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:17:27,791 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:17:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:17:27,792 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:17:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:17:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:17:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:17:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:17:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:17:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:17:27,793 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:17:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:17:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:17:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:17:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:17:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:17:27,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:17:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:17:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:17:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:17:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:17:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:17:27,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:17:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:17:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:17:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:17:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:17:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:17:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:17:27,796 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:17:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:17:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:17:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:17:27,797 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:17:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:17:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:17:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:17:27,798 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:17:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:17:27,799 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:17:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:17:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:17:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:17:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:17:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:17:27,800 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:17:27,801 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:17:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:17:27,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:17:27,806 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-11-07 04:17:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-07 04:17:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:17:27,807 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:17:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:17:27,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-07 04:17:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:17:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:17:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:17:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:17:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:17:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:17:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:17:27,816 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:17:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:17:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:17:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:17:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:17:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:17:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:17:27,817 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:17:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:17:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:17:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:17:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:17:27,818 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:17:27,819 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:17:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:17:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:17:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:17:27,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:17:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:17:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:17:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:17:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:17:27,821 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:17:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:17:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:17:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:17:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:17:27,822 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:17:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:17:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:17:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:17:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:17:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:17:27,823 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:17:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:17:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:17:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:17:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:17:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:17:27,824 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:17:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:17:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:17:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:17:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:17:27,825 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:17:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:17:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:17:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:17:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:17:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:17:27,826 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:17:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:17:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:17:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:17:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:17:27,827 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:17:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:17:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:17:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:17:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:17:27,828 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:17:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:17:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:17:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:17:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:17:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:17:27,829 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:17:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:17:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:17:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:17:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:17:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:17:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:17:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:17:27,830 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:17:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:17:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:17:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:17:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:17:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:17:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:17:27,831 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:17:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:17:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:17:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:17:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:17:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:17:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:17:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:17:27,832 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:17:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:17:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:17:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:17:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:17:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:17:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:17:27,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:17:27,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:17:32,498 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:17:32,498 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:17:32,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:32 BoogieIcfgContainer [2019-11-07 04:17:32,500 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:17:32,501 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:17:32,501 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:17:32,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:17:32,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:17:26" (1/3) ... [2019-11-07 04:17:32,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa388a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:32, skipping insertion in model container [2019-11-07 04:17:32,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:17:27" (2/3) ... [2019-11-07 04:17:32,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa388a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:17:32, skipping insertion in model container [2019-11-07 04:17:32,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:17:32" (3/3) ... [2019-11-07 04:17:32,507 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product30.cil.c [2019-11-07 04:17:32,517 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:17:32,527 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:17:32,538 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:17:32,566 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:17:32,566 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:17:32,567 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:17:32,567 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:17:32,567 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:17:32,567 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:17:32,567 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:17:32,567 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:17:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states. [2019-11-07 04:17:32,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-07 04:17:32,610 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:32,612 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:32,614 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:32,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:32,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1049029826, now seen corresponding path program 1 times [2019-11-07 04:17:32,630 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:32,631 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686710745] [2019-11-07 04:17:32,631 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:33,314 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:33,315 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686710745] [2019-11-07 04:17:33,316 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:33,316 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:17:33,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974720161] [2019-11-07 04:17:33,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:17:33,327 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:33,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:17:33,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:17:33,345 INFO L87 Difference]: Start difference. First operand 399 states. Second operand 2 states. [2019-11-07 04:17:33,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:33,424 INFO L93 Difference]: Finished difference Result 564 states and 668 transitions. [2019-11-07 04:17:33,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:17:33,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-11-07 04:17:33,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:33,445 INFO L225 Difference]: With dead ends: 564 [2019-11-07 04:17:33,446 INFO L226 Difference]: Without dead ends: 357 [2019-11-07 04:17:33,451 INFO L630 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 [2019-11-07 04:17:33,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2019-11-07 04:17:33,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2019-11-07 04:17:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-11-07 04:17:33,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 422 transitions. [2019-11-07 04:17:33,549 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 422 transitions. Word has length 125 [2019-11-07 04:17:33,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:33,552 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 422 transitions. [2019-11-07 04:17:33,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:17:33,553 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 422 transitions. [2019-11-07 04:17:33,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-07 04:17:33,562 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:33,562 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:33,562 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:33,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:33,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1547460294, now seen corresponding path program 1 times [2019-11-07 04:17:33,566 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:33,567 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712887210] [2019-11-07 04:17:33,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:33,876 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:33,876 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712887210] [2019-11-07 04:17:33,876 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:33,877 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:33,877 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201738211] [2019-11-07 04:17:33,881 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:33,882 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:33,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:33,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:33,882 INFO L87 Difference]: Start difference. First operand 357 states and 422 transitions. Second operand 3 states. [2019-11-07 04:17:33,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:33,965 INFO L93 Difference]: Finished difference Result 549 states and 639 transitions. [2019-11-07 04:17:33,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:33,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-11-07 04:17:33,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:33,978 INFO L225 Difference]: With dead ends: 549 [2019-11-07 04:17:33,978 INFO L226 Difference]: Without dead ends: 359 [2019-11-07 04:17:33,981 INFO L630 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 [2019-11-07 04:17:33,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-11-07 04:17:34,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2019-11-07 04:17:34,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-11-07 04:17:34,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 424 transitions. [2019-11-07 04:17:34,038 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 424 transitions. Word has length 126 [2019-11-07 04:17:34,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:34,038 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 424 transitions. [2019-11-07 04:17:34,038 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:34,038 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 424 transitions. [2019-11-07 04:17:34,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-07 04:17:34,041 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:34,042 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:17:34,042 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:34,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:34,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1154449081, now seen corresponding path program 1 times [2019-11-07 04:17:34,043 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:34,043 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863719576] [2019-11-07 04:17:34,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:34,242 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863719576] [2019-11-07 04:17:34,242 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:34,242 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:34,243 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896950970] [2019-11-07 04:17:34,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:34,243 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:34,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:34,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:34,244 INFO L87 Difference]: Start difference. First operand 359 states and 424 transitions. Second operand 3 states. [2019-11-07 04:17:34,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:34,287 INFO L93 Difference]: Finished difference Result 700 states and 855 transitions. [2019-11-07 04:17:34,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:34,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-11-07 04:17:34,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:34,293 INFO L225 Difference]: With dead ends: 700 [2019-11-07 04:17:34,293 INFO L226 Difference]: Without dead ends: 399 [2019-11-07 04:17:34,297 INFO L630 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 [2019-11-07 04:17:34,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-11-07 04:17:34,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 398. [2019-11-07 04:17:34,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-11-07 04:17:34,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 492 transitions. [2019-11-07 04:17:34,337 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 492 transitions. Word has length 135 [2019-11-07 04:17:34,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:34,337 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 492 transitions. [2019-11-07 04:17:34,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:34,338 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 492 transitions. [2019-11-07 04:17:34,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-07 04:17:34,341 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:34,341 INFO L410 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] [2019-11-07 04:17:34,342 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:34,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:34,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1505761215, now seen corresponding path program 1 times [2019-11-07 04:17:34,342 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:34,343 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527333092] [2019-11-07 04:17:34,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:34,497 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:34,498 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527333092] [2019-11-07 04:17:34,498 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:17:34,498 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:17:34,499 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729302622] [2019-11-07 04:17:34,500 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:17:34,501 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:17:34,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:17:34,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:17:34,503 INFO L87 Difference]: Start difference. First operand 398 states and 492 transitions. Second operand 3 states. [2019-11-07 04:17:34,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:17:34,550 INFO L93 Difference]: Finished difference Result 814 states and 1054 transitions. [2019-11-07 04:17:34,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:17:34,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-11-07 04:17:34,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:17:34,559 INFO L225 Difference]: With dead ends: 814 [2019-11-07 04:17:34,560 INFO L226 Difference]: Without dead ends: 474 [2019-11-07 04:17:34,562 INFO L630 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 [2019-11-07 04:17:34,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2019-11-07 04:17:34,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 473. [2019-11-07 04:17:34,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 473 states. [2019-11-07 04:17:34,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 622 transitions. [2019-11-07 04:17:34,606 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 622 transitions. Word has length 136 [2019-11-07 04:17:34,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:17:34,607 INFO L462 AbstractCegarLoop]: Abstraction has 473 states and 622 transitions. [2019-11-07 04:17:34,607 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:17:34,607 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 622 transitions. [2019-11-07 04:17:34,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-11-07 04:17:34,616 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:17:34,616 INFO L410 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] [2019-11-07 04:17:34,617 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:17:34,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:17:34,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1786788016, now seen corresponding path program 1 times [2019-11-07 04:17:34,618 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:17:34,618 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274937872] [2019-11-07 04:17:34,619 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:17:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-07 04:17:35,406 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274937872] [2019-11-07 04:17:35,406 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803461331] [2019-11-07 04:17:35,407 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 [2019-11-07 04:17:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:17:36,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 2621 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:17:36,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:17:36,227 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:36,228 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:17:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:17:36,477 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2020782509] [2019-11-07 04:17:36,509 INFO L159 IcfgInterpreter]: Started Sifa with 128 locations of interest [2019-11-07 04:17:36,509 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:17:36,517 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:17:36,524 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:17:36,525 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs