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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:47:02,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:47:02,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:47:02,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:47:02,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:47:02,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:47:02,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:47:02,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:47:02,966 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:47:02,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:47:02,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:47:02,971 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:47:02,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:47:02,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:47:02,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:47:02,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:47:02,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:47:02,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:47:02,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:47:02,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:47:02,996 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:47:03,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:47:03,008 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:47:03,009 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:47:03,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:47:03,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:47:03,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:47:03,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:47:03,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:47:03,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:47:03,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:47:03,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:47:03,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:47:03,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:47:03,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:47:03,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:47:03,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:47:03,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:47:03,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:47:03,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:47:03,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:47:03,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:47:03,049 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:47:03,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:47:03,051 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:47:03,051 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:47:03,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:47:03,052 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:47:03,052 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:47:03,052 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:47:03,053 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:47:03,053 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:47:03,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:47:03,055 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:47:03,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:47:03,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:47:03,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:47:03,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:47:03,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:47:03,057 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:47:03,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:47:03,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:47:03,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:47:03,058 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:47:03,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:47:03,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:47:03,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:47:03,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:47:03,060 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:47:03,060 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:47:03,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:47:03,060 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:47:03,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:47:03,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:47:03,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:47:03,127 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:47:03,128 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:47:03,129 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product32.cil.c [2019-09-10 02:47:03,202 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e75b363bf/d5a3e1cf5b544b4da9a3ad833e804db0/FLAGa5e802df5 [2019-09-10 02:47:03,890 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:47:03,891 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product32.cil.c [2019-09-10 02:47:03,921 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e75b363bf/d5a3e1cf5b544b4da9a3ad833e804db0/FLAGa5e802df5 [2019-09-10 02:47:04,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e75b363bf/d5a3e1cf5b544b4da9a3ad833e804db0 [2019-09-10 02:47:04,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:47:04,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:47:04,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:04,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:47:04,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:47:04,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:04" (1/1) ... [2019-09-10 02:47:04,087 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60ab9795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:04, skipping insertion in model container [2019-09-10 02:47:04,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:47:04" (1/1) ... [2019-09-10 02:47:04,096 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:47:04,186 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:47:04,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:05,018 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:47:05,163 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:05,301 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:47:05,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05 WrapperNode [2019-09-10 02:47:05,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:05,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:47:05,305 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:47:05,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:47:05,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05" (1/1) ... [2019-09-10 02:47:05,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05" (1/1) ... [2019-09-10 02:47:05,417 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05" (1/1) ... [2019-09-10 02:47:05,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05" (1/1) ... [2019-09-10 02:47:05,487 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05" (1/1) ... [2019-09-10 02:47:05,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05" (1/1) ... [2019-09-10 02:47:05,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05" (1/1) ... [2019-09-10 02:47:05,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:47:05,581 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:47:05,581 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:47:05,581 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:47:05,583 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05" (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 [2019-09-10 02:47:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:47:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:47:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:47:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:47:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-10 02:47:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:47:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:47:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:47:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:47:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:47:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:47:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:47:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:47:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:47:05,669 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:47:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:47:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:47:05,670 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:47:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:47:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:47:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:47:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:47:05,671 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:47:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:47:05,672 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:47:05,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:47:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:47:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:47:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:47:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:47:05,674 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:47:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:47:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:47:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:47:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:47:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:47:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:47:05,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:47:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:47:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:47:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:47:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:47:05,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:47:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:47:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:47:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:47:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:47:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:47:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:47:05,677 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:47:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:47:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:47:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:47:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:47:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:47:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:47:05,678 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:47:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:47:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:47:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:47:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:47:05,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:47:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:47:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:47:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:47:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:47:05,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:47:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:47:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:47:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:47:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:47:05,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:47:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:47:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:47:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:47:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:47:05,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:47:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:47:05,683 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:47:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:47:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:47:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:47:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:47:05,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:47:05,685 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:47:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:47:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:47:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:47:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:47:05,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:47:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:47:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:47:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:47:05,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:47:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:47:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:47:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:47:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:47:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:47:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:47:05,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:47:05,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:47:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:47:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:47:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:47:05,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:47:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:47:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:47:05,691 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:47:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:47:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:47:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:47:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:47:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:47:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:47:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:47:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:47:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:47:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:47:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:47:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:47:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:47:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:47:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:47:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:47:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:47:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:47:05,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:47:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:47:05,700 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-10 02:47:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:47:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:47:05,701 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:47:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:47:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:47:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:47:05,708 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:47:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:47:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:47:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:47:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:47:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:47:05,709 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:47:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:47:05,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:47:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:47:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:47:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:47:05,712 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:47:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:47:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:47:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:47:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:47:05,713 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:47:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:47:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:47:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:47:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:47:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:47:05,714 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:47:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:47:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:47:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:47:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:47:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:47:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:47:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:47:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:47:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:47:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:47:05,716 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:47:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:47:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:47:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:47:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:47:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:47:05,717 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:47:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:47:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:47:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:47:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:47:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:47:05,718 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:47:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:47:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:47:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:47:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:47:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:47:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:47:05,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:47:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:47:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:47:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:47:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:47:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:47:05,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:47:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:47:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:47:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:47:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:47:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:47:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:47:05,721 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:47:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:47:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:47:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:47:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:47:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:47:05,722 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:47:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:47:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:47:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:47:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:47:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:47:05,723 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:47:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:47:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:47:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:47:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:47:05,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:47:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:47:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:47:05,725 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:47:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:47:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:47:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:47:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:47:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:47:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:47:05,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:47:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:47:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:47:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:47:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:47:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:47:05,727 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:47:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:47:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:47:05,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:47:07,950 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:47:07,950 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:47:07,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:07 BoogieIcfgContainer [2019-09-10 02:47:07,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:47:07,954 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:47:07,954 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:47:07,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:47:07,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:47:04" (1/3) ... [2019-09-10 02:47:07,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2e7233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:07, skipping insertion in model container [2019-09-10 02:47:07,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:05" (2/3) ... [2019-09-10 02:47:07,960 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e2e7233 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:07, skipping insertion in model container [2019-09-10 02:47:07,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:07" (3/3) ... [2019-09-10 02:47:07,962 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product32.cil.c [2019-09-10 02:47:07,973 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:47:07,985 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:47:08,003 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:47:08,032 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:47:08,032 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:47:08,033 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:47:08,033 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:47:08,033 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:47:08,033 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:47:08,033 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:47:08,033 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:47:08,063 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states. [2019-09-10 02:47:08,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-10 02:47:08,091 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:08,092 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-09-10 02:47:08,095 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:08,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:08,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1195808047, now seen corresponding path program 1 times [2019-09-10 02:47:08,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:08,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:08,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:08,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:08,169 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:08,841 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:47:08,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:08,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:47:08,844 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:08,850 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:08,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:08,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:08,868 INFO L87 Difference]: Start difference. First operand 641 states. Second operand 2 states. [2019-09-10 02:47:08,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:08,949 INFO L93 Difference]: Finished difference Result 593 states and 807 transitions. [2019-09-10 02:47:08,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:08,951 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 167 [2019-09-10 02:47:08,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:08,991 INFO L225 Difference]: With dead ends: 593 [2019-09-10 02:47:08,991 INFO L226 Difference]: Without dead ends: 584 [2019-09-10 02:47:08,993 INFO L628 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 [2019-09-10 02:47:09,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-09-10 02:47:09,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2019-09-10 02:47:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2019-09-10 02:47:09,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 796 transitions. [2019-09-10 02:47:09,102 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 796 transitions. Word has length 167 [2019-09-10 02:47:09,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:09,105 INFO L475 AbstractCegarLoop]: Abstraction has 584 states and 796 transitions. [2019-09-10 02:47:09,105 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:09,105 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 796 transitions. [2019-09-10 02:47:09,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-10 02:47:09,111 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:09,111 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-09-10 02:47:09,112 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:09,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:09,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1792136893, now seen corresponding path program 1 times [2019-09-10 02:47:09,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:09,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:09,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:09,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:09,114 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:09,307 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:47:09,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:09,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:09,307 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:09,309 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:09,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:09,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:09,310 INFO L87 Difference]: Start difference. First operand 584 states and 796 transitions. Second operand 3 states. [2019-09-10 02:47:09,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:09,394 INFO L93 Difference]: Finished difference Result 587 states and 799 transitions. [2019-09-10 02:47:09,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:09,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-09-10 02:47:09,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:09,404 INFO L225 Difference]: With dead ends: 587 [2019-09-10 02:47:09,404 INFO L226 Difference]: Without dead ends: 587 [2019-09-10 02:47:09,405 INFO L628 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 [2019-09-10 02:47:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-09-10 02:47:09,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 586. [2019-09-10 02:47:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-09-10 02:47:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 798 transitions. [2019-09-10 02:47:09,438 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 798 transitions. Word has length 168 [2019-09-10 02:47:09,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:09,439 INFO L475 AbstractCegarLoop]: Abstraction has 586 states and 798 transitions. [2019-09-10 02:47:09,439 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:09,439 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 798 transitions. [2019-09-10 02:47:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-09-10 02:47:09,445 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:09,445 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:09,445 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:09,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:09,446 INFO L82 PathProgramCache]: Analyzing trace with hash -584126611, now seen corresponding path program 1 times [2019-09-10 02:47:09,446 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:09,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:09,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:09,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:09,448 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:09,651 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:47:09,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:09,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:09,652 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:09,655 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:09,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:09,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:09,657 INFO L87 Difference]: Start difference. First operand 586 states and 798 transitions. Second operand 3 states. [2019-09-10 02:47:09,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:09,696 INFO L93 Difference]: Finished difference Result 629 states and 871 transitions. [2019-09-10 02:47:09,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:09,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-09-10 02:47:09,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:09,703 INFO L225 Difference]: With dead ends: 629 [2019-09-10 02:47:09,703 INFO L226 Difference]: Without dead ends: 629 [2019-09-10 02:47:09,704 INFO L628 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 [2019-09-10 02:47:09,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-09-10 02:47:09,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-09-10 02:47:09,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-09-10 02:47:09,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 870 transitions. [2019-09-10 02:47:09,746 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 870 transitions. Word has length 178 [2019-09-10 02:47:09,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:09,746 INFO L475 AbstractCegarLoop]: Abstraction has 628 states and 870 transitions. [2019-09-10 02:47:09,746 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:09,747 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 870 transitions. [2019-09-10 02:47:09,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-09-10 02:47:09,754 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:09,754 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:09,755 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:09,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:09,755 INFO L82 PathProgramCache]: Analyzing trace with hash 571727363, now seen corresponding path program 1 times [2019-09-10 02:47:09,755 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:09,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:09,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:09,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:09,759 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:09,970 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:47:09,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:09,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:09,971 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:09,972 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:09,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:09,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:09,973 INFO L87 Difference]: Start difference. First operand 628 states and 870 transitions. Second operand 3 states. [2019-09-10 02:47:10,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:10,005 INFO L93 Difference]: Finished difference Result 710 states and 1009 transitions. [2019-09-10 02:47:10,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:10,005 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 179 [2019-09-10 02:47:10,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:10,011 INFO L225 Difference]: With dead ends: 710 [2019-09-10 02:47:10,012 INFO L226 Difference]: Without dead ends: 710 [2019-09-10 02:47:10,012 INFO L628 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 [2019-09-10 02:47:10,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 710 states. [2019-09-10 02:47:10,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 710 to 709. [2019-09-10 02:47:10,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2019-09-10 02:47:10,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 1008 transitions. [2019-09-10 02:47:10,047 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 1008 transitions. Word has length 179 [2019-09-10 02:47:10,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:10,049 INFO L475 AbstractCegarLoop]: Abstraction has 709 states and 1008 transitions. [2019-09-10 02:47:10,050 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:10,050 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 1008 transitions. [2019-09-10 02:47:10,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-09-10 02:47:10,055 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:10,055 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:10,056 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:10,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:10,056 INFO L82 PathProgramCache]: Analyzing trace with hash 164272269, now seen corresponding path program 1 times [2019-09-10 02:47:10,056 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:10,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:10,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:10,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:10,058 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:10,303 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:47:10,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:10,304 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:10,304 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:10,305 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:10,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:10,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:10,306 INFO L87 Difference]: Start difference. First operand 709 states and 1008 transitions. Second operand 3 states. [2019-09-10 02:47:10,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:10,333 INFO L93 Difference]: Finished difference Result 866 states and 1273 transitions. [2019-09-10 02:47:10,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:10,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2019-09-10 02:47:10,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:10,342 INFO L225 Difference]: With dead ends: 866 [2019-09-10 02:47:10,342 INFO L226 Difference]: Without dead ends: 866 [2019-09-10 02:47:10,343 INFO L628 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 [2019-09-10 02:47:10,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2019-09-10 02:47:10,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 865. [2019-09-10 02:47:10,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2019-09-10 02:47:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1272 transitions. [2019-09-10 02:47:10,403 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1272 transitions. Word has length 180 [2019-09-10 02:47:10,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:10,404 INFO L475 AbstractCegarLoop]: Abstraction has 865 states and 1272 transitions. [2019-09-10 02:47:10,404 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:10,405 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1272 transitions. [2019-09-10 02:47:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-09-10 02:47:10,413 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:10,413 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:10,414 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:10,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:10,415 INFO L82 PathProgramCache]: Analyzing trace with hash -2136404765, now seen corresponding path program 1 times [2019-09-10 02:47:10,415 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:10,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:10,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:10,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:10,420 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:47:10,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:10,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:10,657 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:10,658 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:10,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:10,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:10,658 INFO L87 Difference]: Start difference. First operand 865 states and 1272 transitions. Second operand 3 states. [2019-09-10 02:47:10,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:10,702 INFO L93 Difference]: Finished difference Result 1166 states and 1777 transitions. [2019-09-10 02:47:10,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:10,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-09-10 02:47:10,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:10,714 INFO L225 Difference]: With dead ends: 1166 [2019-09-10 02:47:10,714 INFO L226 Difference]: Without dead ends: 1166 [2019-09-10 02:47:10,715 INFO L628 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 [2019-09-10 02:47:10,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2019-09-10 02:47:10,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1165. [2019-09-10 02:47:10,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1165 states. [2019-09-10 02:47:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1776 transitions. [2019-09-10 02:47:10,780 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1776 transitions. Word has length 181 [2019-09-10 02:47:10,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:10,782 INFO L475 AbstractCegarLoop]: Abstraction has 1165 states and 1776 transitions. [2019-09-10 02:47:10,782 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:10,782 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1776 transitions. [2019-09-10 02:47:10,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-09-10 02:47:10,794 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:10,794 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:10,795 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:10,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:10,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1850189406, now seen corresponding path program 1 times [2019-09-10 02:47:10,796 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:10,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:10,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:10,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:10,798 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:11,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 02:47:11,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:11,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:11,247 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:11,248 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:11,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:11,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:11,249 INFO L87 Difference]: Start difference. First operand 1165 states and 1776 transitions. Second operand 3 states. [2019-09-10 02:47:11,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:11,281 INFO L93 Difference]: Finished difference Result 1306 states and 1976 transitions. [2019-09-10 02:47:11,282 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:11,282 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2019-09-10 02:47:11,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:11,292 INFO L225 Difference]: With dead ends: 1306 [2019-09-10 02:47:11,293 INFO L226 Difference]: Without dead ends: 1306 [2019-09-10 02:47:11,293 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:11,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2019-09-10 02:47:11,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1305. [2019-09-10 02:47:11,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1305 states. [2019-09-10 02:47:11,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 1305 states and 1973 transitions. [2019-09-10 02:47:11,346 INFO L78 Accepts]: Start accepts. Automaton has 1305 states and 1973 transitions. Word has length 184 [2019-09-10 02:47:11,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:11,349 INFO L475 AbstractCegarLoop]: Abstraction has 1305 states and 1973 transitions. [2019-09-10 02:47:11,349 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:11,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1973 transitions. [2019-09-10 02:47:11,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-09-10 02:47:11,361 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:11,362 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:11,362 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:11,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:11,363 INFO L82 PathProgramCache]: Analyzing trace with hash -576854632, now seen corresponding path program 1 times [2019-09-10 02:47:11,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:11,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:11,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:11,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:11,364 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:11,633 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-09-10 02:47:11,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:11,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:47:11,634 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:11,635 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:47:11,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:47:11,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:47:11,635 INFO L87 Difference]: Start difference. First operand 1305 states and 1973 transitions. Second operand 6 states. [2019-09-10 02:47:12,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:12,472 INFO L93 Difference]: Finished difference Result 2561 states and 3906 transitions. [2019-09-10 02:47:12,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:47:12,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 329 [2019-09-10 02:47:12,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:12,489 INFO L225 Difference]: With dead ends: 2561 [2019-09-10 02:47:12,490 INFO L226 Difference]: Without dead ends: 2561 [2019-09-10 02:47:12,490 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:47:12,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2019-09-10 02:47:12,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 2550. [2019-09-10 02:47:12,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2550 states. [2019-09-10 02:47:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2550 states to 2550 states and 3896 transitions. [2019-09-10 02:47:12,589 INFO L78 Accepts]: Start accepts. Automaton has 2550 states and 3896 transitions. Word has length 329 [2019-09-10 02:47:12,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:12,590 INFO L475 AbstractCegarLoop]: Abstraction has 2550 states and 3896 transitions. [2019-09-10 02:47:12,590 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:47:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2550 states and 3896 transitions. [2019-09-10 02:47:12,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2019-09-10 02:47:12,605 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:12,606 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:12,606 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:12,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:12,607 INFO L82 PathProgramCache]: Analyzing trace with hash 172382507, now seen corresponding path program 1 times [2019-09-10 02:47:12,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:12,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:12,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:12,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:12,608 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:12,929 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-09-10 02:47:12,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:12,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-10 02:47:12,930 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:12,932 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-10 02:47:12,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-10 02:47:12,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-10 02:47:12,934 INFO L87 Difference]: Start difference. First operand 2550 states and 3896 transitions. Second operand 11 states. [2019-09-10 02:47:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:13,619 INFO L93 Difference]: Finished difference Result 2538 states and 3866 transitions. [2019-09-10 02:47:13,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 02:47:13,619 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 330 [2019-09-10 02:47:13,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:13,637 INFO L225 Difference]: With dead ends: 2538 [2019-09-10 02:47:13,637 INFO L226 Difference]: Without dead ends: 2524 [2019-09-10 02:47:13,638 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:47:13,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2524 states. [2019-09-10 02:47:13,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2524 to 2520. [2019-09-10 02:47:13,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2520 states. [2019-09-10 02:47:13,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2520 states to 2520 states and 3845 transitions. [2019-09-10 02:47:13,743 INFO L78 Accepts]: Start accepts. Automaton has 2520 states and 3845 transitions. Word has length 330 [2019-09-10 02:47:13,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:13,744 INFO L475 AbstractCegarLoop]: Abstraction has 2520 states and 3845 transitions. [2019-09-10 02:47:13,744 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-10 02:47:13,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3845 transitions. [2019-09-10 02:47:13,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2019-09-10 02:47:13,760 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:13,760 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:13,761 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:13,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:13,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1879909920, now seen corresponding path program 1 times [2019-09-10 02:47:13,761 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:13,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:13,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:13,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:13,764 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2019-09-10 02:47:14,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:14,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:14,029 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:14,030 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:14,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:14,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:14,031 INFO L87 Difference]: Start difference. First operand 2520 states and 3845 transitions. Second operand 3 states. [2019-09-10 02:47:14,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:14,081 INFO L93 Difference]: Finished difference Result 3674 states and 5783 transitions. [2019-09-10 02:47:14,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:14,081 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 371 [2019-09-10 02:47:14,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:14,106 INFO L225 Difference]: With dead ends: 3674 [2019-09-10 02:47:14,106 INFO L226 Difference]: Without dead ends: 3674 [2019-09-10 02:47:14,106 INFO L628 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 [2019-09-10 02:47:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3674 states. [2019-09-10 02:47:14,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3674 to 3672. [2019-09-10 02:47:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3672 states. [2019-09-10 02:47:14,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 3672 states and 5781 transitions. [2019-09-10 02:47:14,306 INFO L78 Accepts]: Start accepts. Automaton has 3672 states and 5781 transitions. Word has length 371 [2019-09-10 02:47:14,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:14,307 INFO L475 AbstractCegarLoop]: Abstraction has 3672 states and 5781 transitions. [2019-09-10 02:47:14,307 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3672 states and 5781 transitions. [2019-09-10 02:47:14,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2019-09-10 02:47:14,341 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:14,342 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:14,343 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:14,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:14,343 INFO L82 PathProgramCache]: Analyzing trace with hash 717459013, now seen corresponding path program 1 times [2019-09-10 02:47:14,344 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:14,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:14,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,345 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2019-09-10 02:47:14,641 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:14,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:14,641 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:14,642 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:14,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:14,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:14,643 INFO L87 Difference]: Start difference. First operand 3672 states and 5781 transitions. Second operand 3 states. [2019-09-10 02:47:14,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:14,697 INFO L93 Difference]: Finished difference Result 6010 states and 9655 transitions. [2019-09-10 02:47:14,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:14,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 357 [2019-09-10 02:47:14,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:14,741 INFO L225 Difference]: With dead ends: 6010 [2019-09-10 02:47:14,741 INFO L226 Difference]: Without dead ends: 6010 [2019-09-10 02:47:14,741 INFO L628 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 [2019-09-10 02:47:14,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6010 states. [2019-09-10 02:47:14,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6010 to 6008. [2019-09-10 02:47:14,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6008 states. [2019-09-10 02:47:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6008 states to 6008 states and 9653 transitions. [2019-09-10 02:47:14,945 INFO L78 Accepts]: Start accepts. Automaton has 6008 states and 9653 transitions. Word has length 357 [2019-09-10 02:47:14,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:14,945 INFO L475 AbstractCegarLoop]: Abstraction has 6008 states and 9653 transitions. [2019-09-10 02:47:14,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:14,945 INFO L276 IsEmpty]: Start isEmpty. Operand 6008 states and 9653 transitions. [2019-09-10 02:47:14,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-09-10 02:47:14,985 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:14,985 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:14,985 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:14,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:14,986 INFO L82 PathProgramCache]: Analyzing trace with hash -419997698, now seen corresponding path program 1 times [2019-09-10 02:47:14,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:14,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:14,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:14,987 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-09-10 02:47:15,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:47:15,613 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:47:15,614 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 339 with the following transitions: [2019-09-10 02:47:15,617 INFO L207 CegarAbsIntRunner]: [29], [30], [66], [69], [79], [103], [106], [116], [117], [120], [125], [127], [129], [146], [149], [150], [151], [153], [263], [265], [268], [269], [272], [273], [274], [277], [283], [284], [285], [305], [308], [314], [316], [319], [321], [323], [330], [333], [334], [336], [337], [340], [349], [360], [362], [365], [369], [370], [372], [373], [376], [386], [387], [388], [422], [424], [436], [458], [460], [480], [483], [649], [651], [652], [653], [654], [656], [657], [663], [666], [668], [673], [677], [679], [710], [713], [727], [766], [768], [770], [772], [773], [774], [785], [787], [790], [794], [818], [822], [825], [833], [836], [867], [870], [895], [898], [901], [910], [914], [916], [918], [921], [928], [935], [938], [940], [1076], [1078], [1095], [1098], [1099], [1102], [1116], [1224], [1278], [1281], [1300], [1311], [1314], [1315], [1318], [1321], [1352], [1355], [1357], [1359], [1426], [1429], [1435], [1436], [1439], [1449], [1470], [1473], [1487], [1493], [1496], [1505], [1519], [1520], [1699], [1701], [1703], [1705], [1706], [1734], [1735], [1736], [1737], [1738], [1739], [1740], [1741], [1742], [1744], [1745], [1746], [1747], [1748], [1749], [1752], [1753], [1754], [1755], [1756], [1757], [1758], [1759], [1760], [1761], [1768], [1769], [1770], [1771], [1774], [1775], [1776], [1777], [1782], [1783], [1784], [1785], [1790], [1791], [1794], [1795], [1806], [1807], [1820], [1821], [1822], [1823], [1824], [1825], [1842], [1843], [1844], [1845], [1852], [1853], [1854], [1862], [1863], [1864], [1865], [1866], [1867], [1868], [1869], [1874], [1875], [1876], [1877], [1878], [1879], [1880], [1881], [1882], [1884], [1885], [1886], [1887], [1902], [1903], [1904], [1905], [1916], [1917], [1922], [1923], [1940], [1942], [1943], [1960], [1961], [1962], [1963], [1964], [1965], [1966], [1967], [1968], [1969], [1970], [1971], [1972], [1973], [1992], [1993], [1994], [1995], [1996], [1997], [1998], [1999], [2000] [2019-09-10 02:47:15,677 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:47:15,677 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:47:15,815 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:47:15,817 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 211 root evaluator evaluations with a maximum evaluation depth of 0. Performed 211 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 394 variables. [2019-09-10 02:47:15,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:15,825 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:47:15,997 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:47:15,997 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:47:16,015 INFO L420 sIntCurrentIteration]: We unified 337 AI predicates to 337 [2019-09-10 02:47:16,015 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:47:16,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:47:16,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-09-10 02:47:16,017 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:16,018 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:16,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:16,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:16,019 INFO L87 Difference]: Start difference. First operand 6008 states and 9653 transitions. Second operand 2 states. [2019-09-10 02:47:16,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:16,019 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:47:16,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:16,020 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 338 [2019-09-10 02:47:16,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:16,020 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:47:16,020 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:47:16,021 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:16,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:47:16,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:47:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:47:16,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:47:16,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 338 [2019-09-10 02:47:16,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:16,022 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:47:16,022 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:47:16,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:47:16,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:47:16 BoogieIcfgContainer [2019-09-10 02:47:16,029 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:47:16,032 INFO L168 Benchmark]: Toolchain (without parser) took 11954.56 ms. Allocated memory was 141.6 MB in the beginning and 576.7 MB in the end (delta: 435.2 MB). Free memory was 86.4 MB in the beginning and 259.5 MB in the end (delta: -173.1 MB). Peak memory consumption was 262.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:16,033 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-10 02:47:16,035 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1227.12 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 86.2 MB in the beginning and 132.1 MB in the end (delta: -45.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:16,037 INFO L168 Benchmark]: Boogie Preprocessor took 275.63 ms. Allocated memory is still 204.5 MB. Free memory was 132.1 MB in the beginning and 123.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:16,042 INFO L168 Benchmark]: RCFGBuilder took 2372.33 ms. Allocated memory was 204.5 MB in the beginning and 259.5 MB in the end (delta: 55.1 MB). Free memory was 123.1 MB in the beginning and 131.5 MB in the end (delta: -8.4 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:16,043 INFO L168 Benchmark]: TraceAbstraction took 8074.57 ms. Allocated memory was 259.5 MB in the beginning and 576.7 MB in the end (delta: 317.2 MB). Free memory was 131.5 MB in the beginning and 259.5 MB in the end (delta: -128.0 MB). Peak memory consumption was 189.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:16,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 141.6 MB. Free memory was 107.7 MB in the beginning and 107.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1227.12 ms. Allocated memory was 141.6 MB in the beginning and 204.5 MB in the end (delta: 62.9 MB). Free memory was 86.2 MB in the beginning and 132.1 MB in the end (delta: -45.9 MB). Peak memory consumption was 29.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 275.63 ms. Allocated memory is still 204.5 MB. Free memory was 132.1 MB in the beginning and 123.1 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2372.33 ms. Allocated memory was 204.5 MB in the beginning and 259.5 MB in the end (delta: 55.1 MB). Free memory was 123.1 MB in the beginning and 131.5 MB in the end (delta: -8.4 MB). Peak memory consumption was 79.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8074.57 ms. Allocated memory was 259.5 MB in the beginning and 576.7 MB in the end (delta: 317.2 MB). Free memory was 131.5 MB in the beginning and 259.5 MB in the end (delta: -128.0 MB). Peak memory consumption was 189.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2378]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 119 procedures, 827 locations, 1 error locations. SAFE Result, 8.0s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8996 SDtfs, 2402 SDslu, 15507 SDs, 0 SdLazy, 481 SolverSat, 56 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 402 GetRequests, 370 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6008occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.8338278931750742 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 12 MinimizatonAttempts, 25 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2962 NumberOfCodeBlocks, 2962 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2950 ConstructedInterpolants, 0 QuantifiedInterpolants, 973852 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 11 PerfectInterpolantSequences, 810/821 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...