/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_spec3_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:20:49,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:20:49,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:20:49,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:20:49,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:20:49,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:20:49,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:20:49,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:20:49,242 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:20:49,245 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:20:49,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:20:49,248 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:20:49,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:20:49,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:20:49,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:20:49,253 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:20:49,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:20:49,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:20:49,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:20:49,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:20:49,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:20:49,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:20:49,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:20:49,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:20:49,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:20:49,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:20:49,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:20:49,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:20:49,279 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:20:49,280 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:20:49,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:20:49,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:20:49,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:20:49,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:20:49,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:20:49,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:20:49,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:20:49,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:20:49,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:20:49,287 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:20:49,288 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:20:49,288 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 04:20:49,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:20:49,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:20:49,326 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:20:49,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:20:49,326 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:20:49,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:20:49,329 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:20:49,329 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:20:49,329 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:20:49,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:20:49,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:20:49,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:20:49,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:20:49,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:20:49,330 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:20:49,330 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:20:49,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:20:49,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:20:49,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:20:49,331 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:20:49,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:20:49,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:20:49,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:20:49,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:20:49,332 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:20:49,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:20:49,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:20:49,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:20:49,334 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 04:20:49,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:20:49,674 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:20:49,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:20:49,679 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:20:49,680 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:20:49,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product32.cil.c [2019-11-07 04:20:49,759 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46f5ab6d5/39632d3be8754bbe8a59bbefa5e0ed93/FLAG4183b8fad [2019-11-07 04:20:50,399 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:20:50,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product32.cil.c [2019-11-07 04:20:50,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46f5ab6d5/39632d3be8754bbe8a59bbefa5e0ed93/FLAG4183b8fad [2019-11-07 04:20:50,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46f5ab6d5/39632d3be8754bbe8a59bbefa5e0ed93 [2019-11-07 04:20:50,581 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:20:50,583 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:20:50,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:20:50,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:20:50,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:20:50,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:20:50" (1/1) ... [2019-11-07 04:20:50,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a840ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:50, skipping insertion in model container [2019-11-07 04:20:50,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:20:50" (1/1) ... [2019-11-07 04:20:50,605 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:20:50,701 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:20:51,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:20:51,519 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:20:51,678 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:20:51,819 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:20:51,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51 WrapperNode [2019-11-07 04:20:51,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:20:51,822 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:20:51,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:20:51,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:20:51,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51" (1/1) ... [2019-11-07 04:20:51,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51" (1/1) ... [2019-11-07 04:20:51,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51" (1/1) ... [2019-11-07 04:20:51,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51" (1/1) ... [2019-11-07 04:20:51,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51" (1/1) ... [2019-11-07 04:20:52,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51" (1/1) ... [2019-11-07 04:20:52,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51" (1/1) ... [2019-11-07 04:20:52,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:20:52,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:20:52,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:20:52,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:20:52,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51" (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 04:20:52,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:20:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:20:52,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:20:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:20:52,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:20:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:20:52,115 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:20:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:20:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:20:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:20:52,116 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:20:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:20:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:20:52,117 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:20:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:20:52,118 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:20:52,120 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:20:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:20:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:20:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:20:52,121 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:20:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:20:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:20:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:20:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:20:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:20:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:20:52,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:20:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:20:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:20:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:20:52,124 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:20:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:20:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:20:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:20:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:20:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:20:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:20:52,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:20:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:20:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:20:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:20:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:20:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:20:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:20:52,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:20:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:20:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:20:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:20:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:20:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:20:52,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:20:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:20:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:20:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:20:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:20:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:20:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:20:52,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:20:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:20:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:20:52,129 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:20:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:20:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:20:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:20:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:20:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:20:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:20:52,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:20:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:20:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:20:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:20:52,131 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:20:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:20:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:20:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:20:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:20:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:20:52,132 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:20:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:20:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:20:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:20:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:20:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:20:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:20:52,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:20:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-07 04:20:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:20:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:20:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:20:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:20:52,134 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:20:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:20:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:20:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:20:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:20:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:20:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:20:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:20:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:20:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:20:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:20:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:20:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:20:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:20:52,137 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:20:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:20:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:20:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:20:52,138 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:20:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:20:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:20:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:20:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:20:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:20:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:20:52,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:20:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:20:52,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:20:52,140 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:20:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:20:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:20:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:20:52,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:20:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:20:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:20:52,142 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:20:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:20:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:20:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:20:52,143 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:20:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:20:52,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:20:52,145 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:20:52,146 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:20:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:20:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:20:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:20:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:20:52,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:20:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:20:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:20:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:20:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:20:52,148 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:20:52,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:20:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:20:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:20:52,150 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:20:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:20:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:20:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:20:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:20:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:20:52,151 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:20:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:20:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:20:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:20:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:20:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:20:52,152 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:20:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:20:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:20:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:20:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:20:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:20:52,153 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:20:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:20:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:20:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:20:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:20:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:20:52,154 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:20:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:20:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:20:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:20:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:20:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:20:52,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:20:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:20:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:20:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:20:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:20:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:20:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:20:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:20:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:20:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:20:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:20:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:20:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:20:52,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:20:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:20:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:20:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:20:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:20:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:20:52,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:20:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:20:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:20:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:20:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:20:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:20:52,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:20:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:20:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:20:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:20:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:20:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:20:52,160 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:20:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:20:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:20:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:20:52,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:20:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:20:52,162 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:20:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:20:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:20:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:20:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:20:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:20:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:20:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:20:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:20:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:20:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:20:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-07 04:20:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:20:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:20:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:20:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:20:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:20:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:20:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:20:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:20:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:20:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:20:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:20:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:20:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:20:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:20:52,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:20:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:20:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:20:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:20:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:20:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:20:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:20:52,168 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:20:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:20:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:20:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:20:52,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:20:56,928 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:20:56,928 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:20:56,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:56 BoogieIcfgContainer [2019-11-07 04:20:56,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:20:56,931 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:20:56,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:20:56,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:20:56,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:20:50" (1/3) ... [2019-11-07 04:20:56,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3fa5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:56, skipping insertion in model container [2019-11-07 04:20:56,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:20:51" (2/3) ... [2019-11-07 04:20:56,937 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e3fa5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:20:56, skipping insertion in model container [2019-11-07 04:20:56,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:20:56" (3/3) ... [2019-11-07 04:20:56,938 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product32.cil.c [2019-11-07 04:20:56,949 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:20:56,958 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:20:56,969 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:20:56,998 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:20:56,998 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:20:56,998 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:20:56,999 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:20:56,999 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:20:56,999 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:20:56,999 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:20:56,999 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:20:57,036 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states. [2019-11-07 04:20:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-07 04:20:57,059 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:57,060 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:57,062 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:57,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:57,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1947175262, now seen corresponding path program 1 times [2019-11-07 04:20:57,079 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:57,079 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773078859] [2019-11-07 04:20:57,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:57,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:57,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:20:57,711 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773078859] [2019-11-07 04:20:57,712 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:57,712 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:20:57,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514467737] [2019-11-07 04:20:57,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:20:57,721 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:57,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:20:57,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:20:57,738 INFO L87 Difference]: Start difference. First operand 455 states. Second operand 2 states. [2019-11-07 04:20:57,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:57,813 INFO L93 Difference]: Finished difference Result 650 states and 785 transitions. [2019-11-07 04:20:57,813 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:20:57,814 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-11-07 04:20:57,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:57,834 INFO L225 Difference]: With dead ends: 650 [2019-11-07 04:20:57,835 INFO L226 Difference]: Without dead ends: 407 [2019-11-07 04:20:57,841 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 04:20:57,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-11-07 04:20:57,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2019-11-07 04:20:57,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-11-07 04:20:57,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 484 transitions. [2019-11-07 04:20:57,957 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 484 transitions. Word has length 159 [2019-11-07 04:20:57,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:57,961 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 484 transitions. [2019-11-07 04:20:57,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:20:57,961 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 484 transitions. [2019-11-07 04:20:57,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-07 04:20:57,973 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:57,973 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:20:57,974 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:57,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:57,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1130368248, now seen corresponding path program 1 times [2019-11-07 04:20:57,974 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:57,975 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69944137] [2019-11-07 04:20:57,975 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:58,368 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:20:58,371 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69944137] [2019-11-07 04:20:58,371 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:58,371 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:20:58,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958586512] [2019-11-07 04:20:58,373 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:20:58,374 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:58,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:20:58,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:58,375 INFO L87 Difference]: Start difference. First operand 407 states and 484 transitions. Second operand 3 states. [2019-11-07 04:20:58,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:58,445 INFO L93 Difference]: Finished difference Result 635 states and 748 transitions. [2019-11-07 04:20:58,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:20:58,449 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-11-07 04:20:58,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:58,454 INFO L225 Difference]: With dead ends: 635 [2019-11-07 04:20:58,454 INFO L226 Difference]: Without dead ends: 409 [2019-11-07 04:20:58,464 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 04:20:58,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-11-07 04:20:58,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-11-07 04:20:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-11-07 04:20:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 486 transitions. [2019-11-07 04:20:58,501 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 486 transitions. Word has length 160 [2019-11-07 04:20:58,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:58,504 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 486 transitions. [2019-11-07 04:20:58,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:20:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 486 transitions. [2019-11-07 04:20:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-07 04:20:58,509 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:58,510 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:20:58,510 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:58,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:58,511 INFO L82 PathProgramCache]: Analyzing trace with hash -2037557988, now seen corresponding path program 1 times [2019-11-07 04:20:58,511 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:58,511 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032255344] [2019-11-07 04:20:58,512 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:20:58,747 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032255344] [2019-11-07 04:20:58,747 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:58,747 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:20:58,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084555858] [2019-11-07 04:20:58,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:20:58,750 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:58,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:20:58,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:58,750 INFO L87 Difference]: Start difference. First operand 409 states and 486 transitions. Second operand 3 states. [2019-11-07 04:20:58,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:58,799 INFO L93 Difference]: Finished difference Result 802 states and 982 transitions. [2019-11-07 04:20:58,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:20:58,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-11-07 04:20:58,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:58,804 INFO L225 Difference]: With dead ends: 802 [2019-11-07 04:20:58,804 INFO L226 Difference]: Without dead ends: 451 [2019-11-07 04:20:58,806 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 04:20:58,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-11-07 04:20:58,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 450. [2019-11-07 04:20:58,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 450 states. [2019-11-07 04:20:58,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 557 transitions. [2019-11-07 04:20:58,835 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 557 transitions. Word has length 169 [2019-11-07 04:20:58,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:58,836 INFO L462 AbstractCegarLoop]: Abstraction has 450 states and 557 transitions. [2019-11-07 04:20:58,837 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:20:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 557 transitions. [2019-11-07 04:20:58,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-11-07 04:20:58,842 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:58,842 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:20:58,842 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:58,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:58,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1532345087, now seen corresponding path program 1 times [2019-11-07 04:20:58,843 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:58,843 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774115245] [2019-11-07 04:20:58,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:20:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:20:59,001 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774115245] [2019-11-07 04:20:59,002 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:20:59,002 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:20:59,002 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711582135] [2019-11-07 04:20:59,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:20:59,005 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:20:59,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:20:59,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:20:59,006 INFO L87 Difference]: Start difference. First operand 450 states and 557 transitions. Second operand 3 states. [2019-11-07 04:20:59,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:20:59,042 INFO L93 Difference]: Finished difference Result 922 states and 1190 transitions. [2019-11-07 04:20:59,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:20:59,043 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 170 [2019-11-07 04:20:59,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:20:59,050 INFO L225 Difference]: With dead ends: 922 [2019-11-07 04:20:59,050 INFO L226 Difference]: Without dead ends: 530 [2019-11-07 04:20:59,052 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 04:20:59,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2019-11-07 04:20:59,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 529. [2019-11-07 04:20:59,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2019-11-07 04:20:59,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 693 transitions. [2019-11-07 04:20:59,082 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 693 transitions. Word has length 170 [2019-11-07 04:20:59,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:20:59,083 INFO L462 AbstractCegarLoop]: Abstraction has 529 states and 693 transitions. [2019-11-07 04:20:59,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:20:59,083 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 693 transitions. [2019-11-07 04:20:59,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-07 04:20:59,087 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:20:59,087 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:20:59,087 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:20:59,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:20:59,088 INFO L82 PathProgramCache]: Analyzing trace with hash -409055810, now seen corresponding path program 1 times [2019-11-07 04:20:59,088 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:20:59,088 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785117039] [2019-11-07 04:20:59,089 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:20:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:21:00,010 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785117039] [2019-11-07 04:21:00,010 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:21:00,010 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-11-07 04:21:00,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787832838] [2019-11-07 04:21:00,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-07 04:21:00,011 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:21:00,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-07 04:21:00,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-11-07 04:21:00,012 INFO L87 Difference]: Start difference. First operand 529 states and 693 transitions. Second operand 27 states. [2019-11-07 04:21:15,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:21:15,675 INFO L93 Difference]: Finished difference Result 1332 states and 1658 transitions. [2019-11-07 04:21:15,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-11-07 04:21:15,676 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 173 [2019-11-07 04:21:15,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:21:15,687 INFO L225 Difference]: With dead ends: 1332 [2019-11-07 04:21:15,687 INFO L226 Difference]: Without dead ends: 1106 [2019-11-07 04:21:15,690 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=434, Invalid=3472, Unknown=0, NotChecked=0, Total=3906 [2019-11-07 04:21:15,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2019-11-07 04:21:15,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1095. [2019-11-07 04:21:15,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1095 states. [2019-11-07 04:21:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 1095 states and 1363 transitions. [2019-11-07 04:21:15,756 INFO L78 Accepts]: Start accepts. Automaton has 1095 states and 1363 transitions. Word has length 173 [2019-11-07 04:21:15,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:21:15,757 INFO L462 AbstractCegarLoop]: Abstraction has 1095 states and 1363 transitions. [2019-11-07 04:21:15,757 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-07 04:21:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1363 transitions. [2019-11-07 04:21:15,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-07 04:21:15,761 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:21:15,761 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:21:15,761 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:21:15,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:21:15,762 INFO L82 PathProgramCache]: Analyzing trace with hash -642290405, now seen corresponding path program 1 times [2019-11-07 04:21:15,762 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:21:15,762 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648530694] [2019-11-07 04:21:15,762 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:21:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-07 04:21:18,264 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648530694] [2019-11-07 04:21:18,265 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033751242] [2019-11-07 04:21:18,265 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 04:21:18,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:18,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 3164 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:21:18,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:21:19,112 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:21:19,112 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:21:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:21:19,437 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2027345688] [2019-11-07 04:21:19,469 INFO L159 IcfgInterpreter]: Started Sifa with 162 locations of interest [2019-11-07 04:21:19,469 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:21:19,477 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:21:19,485 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:21:19,485 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs