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_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:06:55,063 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:06:55,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:06:55,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:06:55,080 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:06:55,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:06:55,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:06:55,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:06:55,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:06:55,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:06:55,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:06:55,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:06:55,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:06:55,090 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:06:55,091 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:06:55,093 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:06:55,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:06:55,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:06:55,096 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:06:55,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:06:55,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:06:55,100 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:06:55,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:06:55,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:06:55,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:06:55,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:06:55,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:06:55,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:06:55,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:06:55,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:06:55,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:06:55,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:06:55,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:06:55,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:06:55,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:06:55,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:06:55,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:06:55,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:06:55,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:06:55,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:06:55,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:06:55,127 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 [2019-10-13 23:06:55,147 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:06:55,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:06:55,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:06:55,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:06:55,150 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:06:55,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:06:55,151 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:06:55,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:06:55,151 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:06:55,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:06:55,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:06:55,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:06:55,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:06:55,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:06:55,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:06:55,154 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:06:55,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:06:55,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:06:55,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:06:55,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:06:55,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:06:55,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:06:55,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:06:55,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:06:55,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:06:55,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:06:55,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:06:55,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:06:55,157 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 [2019-10-13 23:06:55,481 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:06:55,495 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:06:55,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:06:55,501 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:06:55,502 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:06:55,503 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product32.cil.c [2019-10-13 23:06:55,570 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802f45e6d/49ce38e3f14048dbad74fd67c422eece/FLAG1da1421c2 [2019-10-13 23:06:56,257 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:06:56,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product32.cil.c [2019-10-13 23:06:56,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802f45e6d/49ce38e3f14048dbad74fd67c422eece/FLAG1da1421c2 [2019-10-13 23:06:56,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/802f45e6d/49ce38e3f14048dbad74fd67c422eece [2019-10-13 23:06:56,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:06:56,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:06:56,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:06:56,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:06:56,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:06:56,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:06:56" (1/1) ... [2019-10-13 23:06:56,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27510171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:56, skipping insertion in model container [2019-10-13 23:06:56,487 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:06:56" (1/1) ... [2019-10-13 23:06:56,497 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:06:56,590 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:06:57,413 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:06:57,432 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:06:57,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:06:57,715 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:06:57,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57 WrapperNode [2019-10-13 23:06:57,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:06:57,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:06:57,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:06:57,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:06:57,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57" (1/1) ... [2019-10-13 23:06:57,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57" (1/1) ... [2019-10-13 23:06:57,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57" (1/1) ... [2019-10-13 23:06:57,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57" (1/1) ... [2019-10-13 23:06:57,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57" (1/1) ... [2019-10-13 23:06:57,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57" (1/1) ... [2019-10-13 23:06:57,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57" (1/1) ... [2019-10-13 23:06:57,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:06:57,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:06:57,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:06:57,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:06:57,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57" (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 [2019-10-13 23:06:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:06:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:06:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:06:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:06:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:06:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:06:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:06:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:06:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:06:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:06:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:06:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:06:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:06:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:06:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:06:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:06:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:06:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:06:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:06:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:06:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:06:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:06:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:06:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:06:58,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:06:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:06:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:06:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:06:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:06:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:06:58,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:06:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:06:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:06:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:06:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:06:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:06:58,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:06:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:06:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:06:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:06:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:06:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:06:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:06:58,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:06:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:06:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:06:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:06:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:06:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:06:58,015 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:06:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:06:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:06:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:06:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:06:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:06:58,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:06:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:06:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:06:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-13 23:06:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-13 23:06:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:06:58,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:06:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:06:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:06:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:06:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:06:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:06:58,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:06:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:06:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:06:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:06:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:06:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:06:58,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:06:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:06:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:06:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-13 23:06:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:06:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:06:58,020 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:06:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:06:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:06:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:06:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:06:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:06:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:06:58,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:06:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:06:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:06:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:06:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:06:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:06:58,022 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:06:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:06:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:06:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 23:06:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:06:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:06:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:06:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:06:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:06:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:06:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:06:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:06:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:06:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:06:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:06:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:06:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:06:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:06:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:06:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:06:58,025 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:06:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:06:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:06:58,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:06:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:06:58,029 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:06:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:06:58,029 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:06:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:06:58,030 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:06:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:06:58,031 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:06:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:06:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:06:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:06:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:06:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:06:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:06:58,032 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:06:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:06:58,033 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:06:58,034 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:06:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:06:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:06:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:06:58,038 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:06:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:06:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:06:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:06:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:06:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:06:58,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:06:58,050 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:06:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:06:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:06:58,051 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:06:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:06:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:06:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:06:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:06:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:06:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:06:58,052 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:06:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:06:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:06:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:06:58,053 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:06:58,054 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:06:58,055 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:06:58,056 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:06:58,057 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:06:58,058 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:06:58,059 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:06:58,060 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-13 23:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-13 23:06:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:06:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:06:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:06:58,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:06:58,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:06:58,067 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:06:58,068 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:06:58,069 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-13 23:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:06:58,070 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 23:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:06:58,071 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:06:58,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:06:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:06:58,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:07:03,315 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:07:03,316 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:07:03,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:03 BoogieIcfgContainer [2019-10-13 23:07:03,320 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:07:03,321 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:07:03,321 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:07:03,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:07:03,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:06:56" (1/3) ... [2019-10-13 23:07:03,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38110fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:03, skipping insertion in model container [2019-10-13 23:07:03,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:06:57" (2/3) ... [2019-10-13 23:07:03,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38110fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:03, skipping insertion in model container [2019-10-13 23:07:03,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:03" (3/3) ... [2019-10-13 23:07:03,341 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product32.cil.c [2019-10-13 23:07:03,353 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:07:03,369 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:07:03,437 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:07:03,480 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:07:03,480 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:07:03,480 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:07:03,481 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:07:03,481 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:07:03,481 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:07:03,481 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:07:03,481 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:07:03,512 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states. [2019-10-13 23:07:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-13 23:07:03,533 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:03,535 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:03,537 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:03,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:03,543 INFO L82 PathProgramCache]: Analyzing trace with hash -2143244463, now seen corresponding path program 1 times [2019-10-13 23:07:03,553 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:03,554 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131524106] [2019-10-13 23:07:03,554 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:03,554 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:03,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:04,271 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:04,272 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131524106] [2019-10-13 23:07:04,273 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:04,273 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:07:04,273 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999788008] [2019-10-13 23:07:04,280 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:07:04,281 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:04,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:07:04,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:07:04,299 INFO L87 Difference]: Start difference. First operand 441 states. Second operand 2 states. [2019-10-13 23:07:04,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:04,390 INFO L93 Difference]: Finished difference Result 622 states and 744 transitions. [2019-10-13 23:07:04,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:07:04,393 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 181 [2019-10-13 23:07:04,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:04,429 INFO L225 Difference]: With dead ends: 622 [2019-10-13 23:07:04,429 INFO L226 Difference]: Without dead ends: 393 [2019-10-13 23:07:04,441 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 [2019-10-13 23:07:04,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-10-13 23:07:04,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2019-10-13 23:07:04,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2019-10-13 23:07:04,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 464 transitions. [2019-10-13 23:07:04,529 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 464 transitions. Word has length 181 [2019-10-13 23:07:04,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:04,532 INFO L462 AbstractCegarLoop]: Abstraction has 393 states and 464 transitions. [2019-10-13 23:07:04,532 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:07:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 464 transitions. [2019-10-13 23:07:04,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-13 23:07:04,539 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:04,539 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:04,540 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:04,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:04,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1010044800, now seen corresponding path program 1 times [2019-10-13 23:07:04,541 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:04,541 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944985052] [2019-10-13 23:07:04,541 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:04,541 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:04,541 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:04,960 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:04,960 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944985052] [2019-10-13 23:07:04,961 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:04,961 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:04,961 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637356470] [2019-10-13 23:07:04,965 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:04,965 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:04,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:04,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:04,966 INFO L87 Difference]: Start difference. First operand 393 states and 464 transitions. Second operand 3 states. [2019-10-13 23:07:05,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:05,046 INFO L93 Difference]: Finished difference Result 607 states and 708 transitions. [2019-10-13 23:07:05,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:05,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 182 [2019-10-13 23:07:05,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:05,056 INFO L225 Difference]: With dead ends: 607 [2019-10-13 23:07:05,056 INFO L226 Difference]: Without dead ends: 395 [2019-10-13 23:07:05,059 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 [2019-10-13 23:07:05,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-10-13 23:07:05,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2019-10-13 23:07:05,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-10-13 23:07:05,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 466 transitions. [2019-10-13 23:07:05,113 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 466 transitions. Word has length 182 [2019-10-13 23:07:05,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:05,114 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 466 transitions. [2019-10-13 23:07:05,114 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 466 transitions. [2019-10-13 23:07:05,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-13 23:07:05,123 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:05,124 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:05,125 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:05,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:05,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1794753945, now seen corresponding path program 1 times [2019-10-13 23:07:05,125 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:05,126 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725173639] [2019-10-13 23:07:05,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:05,126 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:05,127 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:05,383 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725173639] [2019-10-13 23:07:05,383 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:05,383 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:05,384 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666097502] [2019-10-13 23:07:05,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:05,384 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:05,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:05,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:05,385 INFO L87 Difference]: Start difference. First operand 395 states and 466 transitions. Second operand 3 states. [2019-10-13 23:07:05,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:05,432 INFO L93 Difference]: Finished difference Result 774 states and 942 transitions. [2019-10-13 23:07:05,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:05,432 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-13 23:07:05,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:05,438 INFO L225 Difference]: With dead ends: 774 [2019-10-13 23:07:05,438 INFO L226 Difference]: Without dead ends: 437 [2019-10-13 23:07:05,440 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 [2019-10-13 23:07:05,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2019-10-13 23:07:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 436. [2019-10-13 23:07:05,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2019-10-13 23:07:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 537 transitions. [2019-10-13 23:07:05,471 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 537 transitions. Word has length 191 [2019-10-13 23:07:05,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:05,472 INFO L462 AbstractCegarLoop]: Abstraction has 436 states and 537 transitions. [2019-10-13 23:07:05,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 537 transitions. [2019-10-13 23:07:05,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-10-13 23:07:05,477 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:05,478 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:05,478 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:05,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:05,478 INFO L82 PathProgramCache]: Analyzing trace with hash 650233680, now seen corresponding path program 1 times [2019-10-13 23:07:05,479 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:05,479 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365425735] [2019-10-13 23:07:05,479 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:05,480 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:05,480 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:05,677 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365425735] [2019-10-13 23:07:05,677 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:05,677 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:05,678 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976815251] [2019-10-13 23:07:05,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:05,679 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:05,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:05,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:05,680 INFO L87 Difference]: Start difference. First operand 436 states and 537 transitions. Second operand 3 states. [2019-10-13 23:07:05,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:05,719 INFO L93 Difference]: Finished difference Result 894 states and 1150 transitions. [2019-10-13 23:07:05,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:05,720 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-10-13 23:07:05,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:05,725 INFO L225 Difference]: With dead ends: 894 [2019-10-13 23:07:05,725 INFO L226 Difference]: Without dead ends: 516 [2019-10-13 23:07:05,727 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 [2019-10-13 23:07:05,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2019-10-13 23:07:05,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 515. [2019-10-13 23:07:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2019-10-13 23:07:05,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 673 transitions. [2019-10-13 23:07:05,761 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 673 transitions. Word has length 192 [2019-10-13 23:07:05,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:05,762 INFO L462 AbstractCegarLoop]: Abstraction has 515 states and 673 transitions. [2019-10-13 23:07:05,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 673 transitions. [2019-10-13 23:07:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-13 23:07:05,766 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:05,767 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:05,767 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:05,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:05,767 INFO L82 PathProgramCache]: Analyzing trace with hash -380354023, now seen corresponding path program 1 times [2019-10-13 23:07:05,768 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:05,768 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472616818] [2019-10-13 23:07:05,768 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:05,769 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:05,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:06,027 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:06,028 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472616818] [2019-10-13 23:07:06,028 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:06,028 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:06,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088559249] [2019-10-13 23:07:06,029 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:06,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:06,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:06,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:06,030 INFO L87 Difference]: Start difference. First operand 515 states and 673 transitions. Second operand 3 states. [2019-10-13 23:07:06,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:06,066 INFO L93 Difference]: Finished difference Result 1125 states and 1548 transitions. [2019-10-13 23:07:06,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:06,067 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-13 23:07:06,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:06,072 INFO L225 Difference]: With dead ends: 1125 [2019-10-13 23:07:06,072 INFO L226 Difference]: Without dead ends: 668 [2019-10-13 23:07:06,074 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 [2019-10-13 23:07:06,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 668 states. [2019-10-13 23:07:06,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 668 to 667. [2019-10-13 23:07:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 667 states. [2019-10-13 23:07:06,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 667 states to 667 states and 933 transitions. [2019-10-13 23:07:06,105 INFO L78 Accepts]: Start accepts. Automaton has 667 states and 933 transitions. Word has length 193 [2019-10-13 23:07:06,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:06,106 INFO L462 AbstractCegarLoop]: Abstraction has 667 states and 933 transitions. [2019-10-13 23:07:06,106 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:06,106 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 933 transitions. [2019-10-13 23:07:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-13 23:07:06,111 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:06,112 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:06,112 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:06,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:06,113 INFO L82 PathProgramCache]: Analyzing trace with hash 1641339387, now seen corresponding path program 1 times [2019-10-13 23:07:06,113 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:06,113 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731223315] [2019-10-13 23:07:06,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:06,113 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:06,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-13 23:07:07,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731223315] [2019-10-13 23:07:07,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330040722] [2019-10-13 23:07:07,018 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 [2019-10-13 23:07:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:07,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 3138 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:07:07,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:07:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:07,876 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:07:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-13 23:07:08,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1187306367] [2019-10-13 23:07:08,292 INFO L162 IcfgInterpreter]: Started Sifa with 172 locations of interest [2019-10-13 23:07:08,292 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:07:08,300 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:07:08,308 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:07:08,309 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs