/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_spec6_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:23:07,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:23:07,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:23:07,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:23:07,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:23:07,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:23:07,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:23:07,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:23:07,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:23:07,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:23:07,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:23:07,575 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:23:07,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:23:07,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:23:07,577 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:23:07,578 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:23:07,579 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:23:07,580 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:23:07,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:23:07,583 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:23:07,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:23:07,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:23:07,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:23:07,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:23:07,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:23:07,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:23:07,591 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:23:07,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:23:07,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:23:07,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:23:07,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:23:07,595 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:23:07,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:23:07,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:23:07,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:23:07,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:23:07,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:23:07,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:23:07,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:23:07,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:23:07,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:23:07,602 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 04:23:07,616 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:23:07,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:23:07,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:23:07,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:23:07,618 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:23:07,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:23:07,619 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:23:07,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:23:07,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:23:07,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:23:07,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:23:07,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:23:07,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:23:07,620 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:23:07,620 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:23:07,620 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:23:07,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:23:07,621 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:23:07,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:23:07,621 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:23:07,621 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:23:07,621 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:23:07,622 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:23:07,622 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:23:07,622 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:23:07,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:23:07,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:23:07,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:23:07,623 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 04:23:07,915 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:23:07,929 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:23:07,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:23:07,934 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:23:07,934 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:23:07,935 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product21.cil.c [2019-11-07 04:23:07,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a464ee24/aa336561daed40e08d9115a7d803ca1a/FLAG731c82778 [2019-11-07 04:23:08,644 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:23:08,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product21.cil.c [2019-11-07 04:23:08,684 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a464ee24/aa336561daed40e08d9115a7d803ca1a/FLAG731c82778 [2019-11-07 04:23:08,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a464ee24/aa336561daed40e08d9115a7d803ca1a [2019-11-07 04:23:08,845 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:23:08,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:23:08,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:23:08,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:23:08,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:23:08,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:23:08" (1/1) ... [2019-11-07 04:23:08,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3c5c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:08, skipping insertion in model container [2019-11-07 04:23:08,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:23:08" (1/1) ... [2019-11-07 04:23:08,863 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:23:08,941 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:23:09,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:23:09,711 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:23:09,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:23:09,963 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:23:09,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09 WrapperNode [2019-11-07 04:23:09,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:23:09,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:23:09,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:23:09,965 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:23:09,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09" (1/1) ... [2019-11-07 04:23:09,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09" (1/1) ... [2019-11-07 04:23:10,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09" (1/1) ... [2019-11-07 04:23:10,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09" (1/1) ... [2019-11-07 04:23:10,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09" (1/1) ... [2019-11-07 04:23:10,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09" (1/1) ... [2019-11-07 04:23:10,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09" (1/1) ... [2019-11-07 04:23:10,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:23:10,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:23:10,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:23:10,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:23:10,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09" (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 04:23:10,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:23:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:23:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:23:10,243 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:23:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-11-07 04:23:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-11-07 04:23:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:23:10,244 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:23:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:23:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:23:10,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:23:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:23:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:23:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:23:10,246 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 04:23:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:23:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:23:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-11-07 04:23:10,247 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:23:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:23:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:23:10,248 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:23:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:23:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:23:10,249 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:23:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:23:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:23:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:23:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:23:10,250 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:23:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:23:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:23:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:23:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:23:10,251 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:23:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:23:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:23:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:23:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:23:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:23:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:23:10,252 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:23:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:23:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:23:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:23:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:23:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:23:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:23:10,253 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:23:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:23:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:23:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:23:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:23:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:23:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:23:10,254 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:23:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:23:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:23:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:23:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:23:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:23:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:23:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:23:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:23:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:23:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:23:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:23:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:23:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:23:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:23:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:23:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:23:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:23:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:23:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:23:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:23:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:23:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:23:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:23:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:23:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:23:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:23:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:23:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:23:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:23:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:23:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:23:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:23:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:23:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:23:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:23:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:23:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:23:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:23:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:23:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:23:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:23:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:23:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:23:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:23:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:23:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:23:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:23:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:23:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:23:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:23:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:23:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:23:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:23:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:23:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:23:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:23:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:23:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:23:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:23:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:23:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:23:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:23:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:23:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:23:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:23:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:23:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:23:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:23:10,265 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-11-07 04:23:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-11-07 04:23:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:23:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:23:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:23:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:23:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:23:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:23:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:23:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:23:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:23:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:23:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:23:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:23:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:23:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:23:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:23:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:23:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:23:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:23:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:23:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:23:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:23:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:23:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:23:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:23:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:23:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:23:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:23:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:23:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:23:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:23:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:23:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:23:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:23:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:23:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 04:23:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-11-07 04:23:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:23:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:23:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:23:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:23:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:23:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:23:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:23:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:23:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:23:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:23:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:23:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:23:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:23:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:23:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:23:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:23:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:23:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:23:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:23:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:23:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:23:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:23:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:23:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:23:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:23:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:23:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:23:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:23:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:23:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:23:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:23:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:23:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:23:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:23:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:23:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:23:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:23:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:23:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:23:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:23:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:23:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:23:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:23:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:23:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:23:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:23:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:23:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:23:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:23:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:23:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:23:10,280 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:23:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:23:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:23:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:23:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:23:10,281 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:23:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:23:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:23:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:23:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:23:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:23:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:23:10,282 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:23:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:23:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:23:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:23:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:23:10,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:23:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:23:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:23:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:23:10,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:23:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:23:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:23:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:23:10,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:23:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:23:10,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:23:15,148 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:23:15,149 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:23:15,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:23:15 BoogieIcfgContainer [2019-11-07 04:23:15,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:23:15,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:23:15,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:23:15,155 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:23:15,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:23:08" (1/3) ... [2019-11-07 04:23:15,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274f5b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:23:15, skipping insertion in model container [2019-11-07 04:23:15,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:23:09" (2/3) ... [2019-11-07 04:23:15,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274f5b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:23:15, skipping insertion in model container [2019-11-07 04:23:15,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:23:15" (3/3) ... [2019-11-07 04:23:15,158 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2019-11-07 04:23:15,168 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:23:15,177 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:23:15,189 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:23:15,219 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:23:15,219 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:23:15,219 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:23:15,219 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:23:15,219 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:23:15,220 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:23:15,220 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:23:15,220 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:23:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states. [2019-11-07 04:23:15,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-07 04:23:15,267 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:23:15,269 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:23:15,271 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:23:15,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:23:15,278 INFO L82 PathProgramCache]: Analyzing trace with hash 2061290457, now seen corresponding path program 1 times [2019-11-07 04:23:15,290 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:23:15,291 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124229183] [2019-11-07 04:23:15,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:23:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:23:15,956 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:23:15,957 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124229183] [2019-11-07 04:23:15,958 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:23:15,958 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:23:15,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210467871] [2019-11-07 04:23:15,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:23:15,966 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:23:15,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:23:15,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:23:15,984 INFO L87 Difference]: Start difference. First operand 400 states. Second operand 2 states. [2019-11-07 04:23:16,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:23:16,104 INFO L93 Difference]: Finished difference Result 582 states and 696 transitions. [2019-11-07 04:23:16,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:23:16,106 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 143 [2019-11-07 04:23:16,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:23:16,140 INFO L225 Difference]: With dead ends: 582 [2019-11-07 04:23:16,141 INFO L226 Difference]: Without dead ends: 373 [2019-11-07 04:23:16,151 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 04:23:16,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2019-11-07 04:23:16,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2019-11-07 04:23:16,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2019-11-07 04:23:16,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 442 transitions. [2019-11-07 04:23:16,276 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 442 transitions. Word has length 143 [2019-11-07 04:23:16,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:23:16,283 INFO L462 AbstractCegarLoop]: Abstraction has 373 states and 442 transitions. [2019-11-07 04:23:16,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:23:16,284 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 442 transitions. [2019-11-07 04:23:16,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-07 04:23:16,298 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:23:16,298 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:23:16,299 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:23:16,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:23:16,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1103720808, now seen corresponding path program 1 times [2019-11-07 04:23:16,300 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:23:16,300 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013543034] [2019-11-07 04:23:16,300 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:23:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:23:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:23:16,712 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013543034] [2019-11-07 04:23:16,713 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:23:16,713 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:23:16,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869409244] [2019-11-07 04:23:16,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:23:16,715 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:23:16,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:23:16,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:23:16,716 INFO L87 Difference]: Start difference. First operand 373 states and 442 transitions. Second operand 3 states. [2019-11-07 04:23:16,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:23:16,751 INFO L93 Difference]: Finished difference Result 567 states and 664 transitions. [2019-11-07 04:23:16,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:23:16,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-11-07 04:23:16,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:23:16,755 INFO L225 Difference]: With dead ends: 567 [2019-11-07 04:23:16,755 INFO L226 Difference]: Without dead ends: 375 [2019-11-07 04:23:16,757 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 04:23:16,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2019-11-07 04:23:16,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 375. [2019-11-07 04:23:16,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-11-07 04:23:16,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 444 transitions. [2019-11-07 04:23:16,779 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 444 transitions. Word has length 144 [2019-11-07 04:23:16,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:23:16,779 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 444 transitions. [2019-11-07 04:23:16,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:23:16,780 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 444 transitions. [2019-11-07 04:23:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-07 04:23:16,782 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:23:16,782 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:23:16,783 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:23:16,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:23:16,783 INFO L82 PathProgramCache]: Analyzing trace with hash -730650997, now seen corresponding path program 1 times [2019-11-07 04:23:16,783 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:23:16,784 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494970008] [2019-11-07 04:23:16,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:23:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:23:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:23:16,961 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494970008] [2019-11-07 04:23:16,961 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:23:16,961 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:23:16,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107423412] [2019-11-07 04:23:16,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:23:16,963 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:23:16,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:23:16,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:23:16,963 INFO L87 Difference]: Start difference. First operand 375 states and 444 transitions. Second operand 3 states. [2019-11-07 04:23:17,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:23:17,013 INFO L93 Difference]: Finished difference Result 734 states and 898 transitions. [2019-11-07 04:23:17,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:23:17,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-11-07 04:23:17,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:23:17,021 INFO L225 Difference]: With dead ends: 734 [2019-11-07 04:23:17,021 INFO L226 Difference]: Without dead ends: 417 [2019-11-07 04:23:17,023 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 04:23:17,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2019-11-07 04:23:17,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 416. [2019-11-07 04:23:17,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2019-11-07 04:23:17,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 515 transitions. [2019-11-07 04:23:17,061 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 515 transitions. Word has length 149 [2019-11-07 04:23:17,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:23:17,062 INFO L462 AbstractCegarLoop]: Abstraction has 416 states and 515 transitions. [2019-11-07 04:23:17,062 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:23:17,062 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 515 transitions. [2019-11-07 04:23:17,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-07 04:23:17,068 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:23:17,069 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:23:17,069 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:23:17,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:23:17,069 INFO L82 PathProgramCache]: Analyzing trace with hash 819131061, now seen corresponding path program 1 times [2019-11-07 04:23:17,070 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:23:17,070 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396986322] [2019-11-07 04:23:17,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:23:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:23:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:23:17,914 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396986322] [2019-11-07 04:23:17,914 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:23:17,915 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-11-07 04:23:17,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843353185] [2019-11-07 04:23:17,915 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-07 04:23:17,919 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:23:17,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-07 04:23:17,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2019-11-07 04:23:17,922 INFO L87 Difference]: Start difference. First operand 416 states and 515 transitions. Second operand 24 states. [2019-11-07 04:23:26,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:23:26,037 INFO L93 Difference]: Finished difference Result 1110 states and 1367 transitions. [2019-11-07 04:23:26,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-11-07 04:23:26,037 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 150 [2019-11-07 04:23:26,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:23:26,044 INFO L225 Difference]: With dead ends: 1110 [2019-11-07 04:23:26,045 INFO L226 Difference]: Without dead ends: 926 [2019-11-07 04:23:26,048 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=272, Invalid=2484, Unknown=0, NotChecked=0, Total=2756 [2019-11-07 04:23:26,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2019-11-07 04:23:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 913. [2019-11-07 04:23:26,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2019-11-07 04:23:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1110 transitions. [2019-11-07 04:23:26,111 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1110 transitions. Word has length 150 [2019-11-07 04:23:26,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:23:26,112 INFO L462 AbstractCegarLoop]: Abstraction has 913 states and 1110 transitions. [2019-11-07 04:23:26,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-07 04:23:26,113 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1110 transitions. [2019-11-07 04:23:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-07 04:23:26,116 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:23:26,116 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:23:26,116 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:23:26,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:23:26,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1325372908, now seen corresponding path program 1 times [2019-11-07 04:23:26,117 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:23:26,117 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600841536] [2019-11-07 04:23:26,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:23:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:23:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 04:23:26,856 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [600841536] [2019-11-07 04:23:26,856 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723569100] [2019-11-07 04:23:26,856 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 04:23:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:23:27,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 2772 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:23:27,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:23:27,621 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:23:27,621 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:23:27,891 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:23:27,891 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2018383718] [2019-11-07 04:23:27,929 INFO L159 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-11-07 04:23:27,929 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:23:27,941 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:23:27,949 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:23:27,950 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs