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_spec8_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:30,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:30,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:30,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:30,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:30,119 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:30,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:30,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:30,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:30,125 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:30,126 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:30,127 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:30,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:30,128 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:30,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:30,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:30,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:30,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:30,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:30,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:30,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:30,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:30,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:30,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:30,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:30,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:30,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:30,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:30,144 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:30,145 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:30,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:30,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:30,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:30,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:30,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:30,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:30,149 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:30,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:30,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:30,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:30,151 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:30,152 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 [2019-10-03 02:55:30,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:30,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:30,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:30,168 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:30,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:30,169 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:30,169 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:30,169 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:30,169 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:30,169 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:30,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:30,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:30,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:30,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:30,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:30,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:30,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:30,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:30,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:30,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:30,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:30,172 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:30,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:30,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:30,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:30,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:30,173 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:30,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:30,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:30,174 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:30,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:30,215 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:30,218 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:30,220 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:30,220 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:30,221 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2019-10-03 02:55:30,282 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e575393ef/1f894f843a814311854d06a04020a1aa/FLAGb370245d2 [2019-10-03 02:55:30,889 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:30,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product20.cil.c [2019-10-03 02:55:30,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e575393ef/1f894f843a814311854d06a04020a1aa/FLAGb370245d2 [2019-10-03 02:55:31,126 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e575393ef/1f894f843a814311854d06a04020a1aa [2019-10-03 02:55:31,137 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:31,139 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:31,140 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:31,140 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:31,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:31,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:31" (1/1) ... [2019-10-03 02:55:31,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fee35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:31, skipping insertion in model container [2019-10-03 02:55:31,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:31" (1/1) ... [2019-10-03 02:55:31,159 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:31,245 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:32,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:32,041 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:32,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:32,267 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:32,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32 WrapperNode [2019-10-03 02:55:32,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:32,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:32,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:32,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:32,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32" (1/1) ... [2019-10-03 02:55:32,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32" (1/1) ... [2019-10-03 02:55:32,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32" (1/1) ... [2019-10-03 02:55:32,322 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32" (1/1) ... [2019-10-03 02:55:32,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32" (1/1) ... [2019-10-03 02:55:32,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32" (1/1) ... [2019-10-03 02:55:32,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32" (1/1) ... [2019-10-03 02:55:32,456 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:32,456 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:32,457 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:32,457 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:32,458 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:32,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:32,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:32,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:32,535 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:32,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:32,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:32,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:32,539 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:32,540 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:32,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:32,542 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:32,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:32,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:32,545 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:32,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:32,545 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:32,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:32,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:32,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:32,546 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:32,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:32,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:32,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:32,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:32,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:32,547 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:32,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:32,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:32,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:32,550 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:32,550 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:55:32,551 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:32,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:55:32,551 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:32,551 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:32,552 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:32,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:55:32,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:32,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:32,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:32,553 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:32,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:32,554 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:32,554 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:32,554 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:32,555 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:32,555 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:32,556 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:32,557 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:32,558 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:55:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:55:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:55:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:55:32,559 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:55:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-03 02:55:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:32,560 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:32,561 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:55:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:55:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:32,562 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:32,563 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:32,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:32,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:32,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:32,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:32,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:32,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:32,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:32,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:32,569 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:32,569 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:32,569 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:32,569 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:32,569 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:32,569 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:32,570 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:32,573 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:32,574 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:32,574 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:32,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:32,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:32,585 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:32,586 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:32,587 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:32,588 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:55:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:55:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:32,589 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:55:32,590 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:55:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:32,591 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:32,592 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:55:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:32,593 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:55:32,594 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:55:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:55:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:55:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:55:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-03 02:55:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:32,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:32,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:55:34,843 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:55:34,844 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:55:34,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:34 BoogieIcfgContainer [2019-10-03 02:55:34,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:55:34,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:55:34,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:55:34,850 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:55:34,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:31" (1/3) ... [2019-10-03 02:55:34,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d28547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:34, skipping insertion in model container [2019-10-03 02:55:34,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32" (2/3) ... [2019-10-03 02:55:34,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d28547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:34, skipping insertion in model container [2019-10-03 02:55:34,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:34" (3/3) ... [2019-10-03 02:55:34,855 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product20.cil.c [2019-10-03 02:55:34,866 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:55:34,881 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:55:34,898 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:55:34,929 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:55:34,929 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:55:34,929 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:55:34,929 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:55:34,929 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:55:34,930 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:55:34,930 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:55:34,930 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:55:34,972 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states. [2019-10-03 02:55:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 02:55:35,020 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:35,022 INFO L411 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] [2019-10-03 02:55:35,026 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:35,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:35,035 INFO L82 PathProgramCache]: Analyzing trace with hash -26401555, now seen corresponding path program 1 times [2019-10-03 02:55:35,038 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:35,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:35,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:35,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:35,105 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:35,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:35,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:35,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:55:35,725 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:35,732 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:35,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:35,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:35,750 INFO L87 Difference]: Start difference. First operand 563 states. Second operand 2 states. [2019-10-03 02:55:35,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:35,817 INFO L93 Difference]: Finished difference Result 519 states and 712 transitions. [2019-10-03 02:55:35,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:35,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-03 02:55:35,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:35,842 INFO L225 Difference]: With dead ends: 519 [2019-10-03 02:55:35,842 INFO L226 Difference]: Without dead ends: 510 [2019-10-03 02:55:35,844 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:35,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2019-10-03 02:55:35,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2019-10-03 02:55:35,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-10-03 02:55:35,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 701 transitions. [2019-10-03 02:55:35,933 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 701 transitions. Word has length 154 [2019-10-03 02:55:35,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:35,936 INFO L475 AbstractCegarLoop]: Abstraction has 510 states and 701 transitions. [2019-10-03 02:55:35,936 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 701 transitions. [2019-10-03 02:55:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-03 02:55:35,948 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:35,948 INFO L411 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] [2019-10-03 02:55:35,949 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:35,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:35,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1452305840, now seen corresponding path program 1 times [2019-10-03 02:55:35,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:35,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:35,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:35,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:35,961 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:36,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:36,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:36,340 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:36,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:36,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:36,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:36,349 INFO L87 Difference]: Start difference. First operand 510 states and 701 transitions. Second operand 3 states. [2019-10-03 02:55:36,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:36,420 INFO L93 Difference]: Finished difference Result 513 states and 704 transitions. [2019-10-03 02:55:36,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:36,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-03 02:55:36,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:36,433 INFO L225 Difference]: With dead ends: 513 [2019-10-03 02:55:36,435 INFO L226 Difference]: Without dead ends: 513 [2019-10-03 02:55:36,436 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:36,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2019-10-03 02:55:36,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 512. [2019-10-03 02:55:36,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-10-03 02:55:36,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 703 transitions. [2019-10-03 02:55:36,494 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 703 transitions. Word has length 155 [2019-10-03 02:55:36,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:36,496 INFO L475 AbstractCegarLoop]: Abstraction has 512 states and 703 transitions. [2019-10-03 02:55:36,496 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:36,496 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 703 transitions. [2019-10-03 02:55:36,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-03 02:55:36,500 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:36,500 INFO L411 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] [2019-10-03 02:55:36,500 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:36,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:36,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1395553248, now seen corresponding path program 1 times [2019-10-03 02:55:36,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:36,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:36,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:36,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:36,506 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:36,695 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:36,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:36,695 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:36,697 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:36,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:36,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:36,699 INFO L87 Difference]: Start difference. First operand 512 states and 703 transitions. Second operand 3 states. [2019-10-03 02:55:36,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:36,732 INFO L93 Difference]: Finished difference Result 555 states and 776 transitions. [2019-10-03 02:55:36,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:36,732 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-03 02:55:36,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:36,741 INFO L225 Difference]: With dead ends: 555 [2019-10-03 02:55:36,741 INFO L226 Difference]: Without dead ends: 555 [2019-10-03 02:55:36,742 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:36,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-10-03 02:55:36,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 554. [2019-10-03 02:55:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2019-10-03 02:55:36,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 775 transitions. [2019-10-03 02:55:36,790 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 775 transitions. Word has length 165 [2019-10-03 02:55:36,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:36,794 INFO L475 AbstractCegarLoop]: Abstraction has 554 states and 775 transitions. [2019-10-03 02:55:36,794 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:36,794 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 775 transitions. [2019-10-03 02:55:36,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-03 02:55:36,803 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:36,804 INFO L411 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] [2019-10-03 02:55:36,804 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:36,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:36,805 INFO L82 PathProgramCache]: Analyzing trace with hash 742155615, now seen corresponding path program 1 times [2019-10-03 02:55:36,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:36,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:36,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:36,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:36,811 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:37,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:37,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:37,083 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:37,084 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:37,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:37,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:37,085 INFO L87 Difference]: Start difference. First operand 554 states and 775 transitions. Second operand 3 states. [2019-10-03 02:55:37,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:37,129 INFO L93 Difference]: Finished difference Result 636 states and 914 transitions. [2019-10-03 02:55:37,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:37,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-10-03 02:55:37,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:37,138 INFO L225 Difference]: With dead ends: 636 [2019-10-03 02:55:37,139 INFO L226 Difference]: Without dead ends: 636 [2019-10-03 02:55:37,139 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:37,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-10-03 02:55:37,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 635. [2019-10-03 02:55:37,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2019-10-03 02:55:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 913 transitions. [2019-10-03 02:55:37,182 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 913 transitions. Word has length 166 [2019-10-03 02:55:37,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:37,182 INFO L475 AbstractCegarLoop]: Abstraction has 635 states and 913 transitions. [2019-10-03 02:55:37,182 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 913 transitions. [2019-10-03 02:55:37,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-03 02:55:37,190 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:37,190 INFO L411 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] [2019-10-03 02:55:37,190 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:37,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:37,193 INFO L82 PathProgramCache]: Analyzing trace with hash -158203488, now seen corresponding path program 1 times [2019-10-03 02:55:37,193 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:37,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:37,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,199 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:37,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:37,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:37,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:37,376 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:37,377 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:37,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:37,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:37,378 INFO L87 Difference]: Start difference. First operand 635 states and 913 transitions. Second operand 3 states. [2019-10-03 02:55:37,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:37,408 INFO L93 Difference]: Finished difference Result 792 states and 1178 transitions. [2019-10-03 02:55:37,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:37,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-10-03 02:55:37,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:37,415 INFO L225 Difference]: With dead ends: 792 [2019-10-03 02:55:37,415 INFO L226 Difference]: Without dead ends: 792 [2019-10-03 02:55:37,415 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:37,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2019-10-03 02:55:37,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 791. [2019-10-03 02:55:37,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-03 02:55:37,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1177 transitions. [2019-10-03 02:55:37,450 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1177 transitions. Word has length 167 [2019-10-03 02:55:37,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:37,451 INFO L475 AbstractCegarLoop]: Abstraction has 791 states and 1177 transitions. [2019-10-03 02:55:37,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1177 transitions. [2019-10-03 02:55:37,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-03 02:55:37,456 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:37,457 INFO L411 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] [2019-10-03 02:55:37,457 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:37,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:37,457 INFO L82 PathProgramCache]: Analyzing trace with hash 937061343, now seen corresponding path program 1 times [2019-10-03 02:55:37,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:37,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:37,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,465 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:37,665 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:37,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:37,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:37,666 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:37,667 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:37,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:37,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:37,668 INFO L87 Difference]: Start difference. First operand 791 states and 1177 transitions. Second operand 3 states. [2019-10-03 02:55:37,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:37,696 INFO L93 Difference]: Finished difference Result 1092 states and 1682 transitions. [2019-10-03 02:55:37,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:37,697 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-10-03 02:55:37,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:37,706 INFO L225 Difference]: With dead ends: 1092 [2019-10-03 02:55:37,706 INFO L226 Difference]: Without dead ends: 1092 [2019-10-03 02:55:37,706 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:37,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-10-03 02:55:37,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1091. [2019-10-03 02:55:37,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2019-10-03 02:55:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1681 transitions. [2019-10-03 02:55:37,743 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1681 transitions. Word has length 168 [2019-10-03 02:55:37,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:37,744 INFO L475 AbstractCegarLoop]: Abstraction has 1091 states and 1681 transitions. [2019-10-03 02:55:37,744 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:37,745 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1681 transitions. [2019-10-03 02:55:37,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-03 02:55:37,751 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:37,752 INFO L411 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] [2019-10-03 02:55:37,752 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:37,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:37,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1598706118, now seen corresponding path program 1 times [2019-10-03 02:55:37,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:37,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:37,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,757 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:38,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:55:38,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:38,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:38,013 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:38,013 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:38,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:38,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:38,014 INFO L87 Difference]: Start difference. First operand 1091 states and 1681 transitions. Second operand 3 states. [2019-10-03 02:55:38,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:38,064 INFO L93 Difference]: Finished difference Result 1205 states and 1845 transitions. [2019-10-03 02:55:38,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:38,064 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-03 02:55:38,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:38,075 INFO L225 Difference]: With dead ends: 1205 [2019-10-03 02:55:38,076 INFO L226 Difference]: Without dead ends: 1205 [2019-10-03 02:55:38,076 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:38,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2019-10-03 02:55:38,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1204. [2019-10-03 02:55:38,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2019-10-03 02:55:38,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1843 transitions. [2019-10-03 02:55:38,137 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1843 transitions. Word has length 171 [2019-10-03 02:55:38,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:38,138 INFO L475 AbstractCegarLoop]: Abstraction has 1204 states and 1843 transitions. [2019-10-03 02:55:38,138 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1843 transitions. [2019-10-03 02:55:38,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-10-03 02:55:38,154 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:38,155 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-10-03 02:55:38,155 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:38,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:38,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1464715799, now seen corresponding path program 1 times [2019-10-03 02:55:38,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:38,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:38,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:38,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:38,163 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:38,580 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-10-03 02:55:38,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:38,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:55:38,581 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:38,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:55:38,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:55:38,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:55:38,583 INFO L87 Difference]: Start difference. First operand 1204 states and 1843 transitions. Second operand 6 states. [2019-10-03 02:55:39,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:39,345 INFO L93 Difference]: Finished difference Result 2359 states and 3646 transitions. [2019-10-03 02:55:39,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:55:39,345 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 295 [2019-10-03 02:55:39,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:39,363 INFO L225 Difference]: With dead ends: 2359 [2019-10-03 02:55:39,364 INFO L226 Difference]: Without dead ends: 2359 [2019-10-03 02:55:39,364 INFO L640 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 [2019-10-03 02:55:39,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2359 states. [2019-10-03 02:55:39,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2359 to 2348. [2019-10-03 02:55:39,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2348 states. [2019-10-03 02:55:39,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2348 states and 3636 transitions. [2019-10-03 02:55:39,503 INFO L78 Accepts]: Start accepts. Automaton has 2348 states and 3636 transitions. Word has length 295 [2019-10-03 02:55:39,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:39,503 INFO L475 AbstractCegarLoop]: Abstraction has 2348 states and 3636 transitions. [2019-10-03 02:55:39,503 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:55:39,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 3636 transitions. [2019-10-03 02:55:39,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-03 02:55:39,561 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:39,562 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2019-10-03 02:55:39,562 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:39,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:39,563 INFO L82 PathProgramCache]: Analyzing trace with hash 1738724539, now seen corresponding path program 1 times [2019-10-03 02:55:39,563 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:39,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:39,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:39,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:39,569 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-10-03 02:55:39,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:39,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:55:39,834 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:39,835 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:55:39,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:55:39,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:55:39,836 INFO L87 Difference]: Start difference. First operand 2348 states and 3636 transitions. Second operand 9 states. [2019-10-03 02:55:40,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:40,244 INFO L93 Difference]: Finished difference Result 2336 states and 3606 transitions. [2019-10-03 02:55:40,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:55:40,245 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 296 [2019-10-03 02:55:40,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:40,269 INFO L225 Difference]: With dead ends: 2336 [2019-10-03 02:55:40,269 INFO L226 Difference]: Without dead ends: 2322 [2019-10-03 02:55:40,270 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-10-03 02:55:40,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2019-10-03 02:55:40,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2318. [2019-10-03 02:55:40,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-10-03 02:55:40,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3585 transitions. [2019-10-03 02:55:40,357 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3585 transitions. Word has length 296 [2019-10-03 02:55:40,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:40,358 INFO L475 AbstractCegarLoop]: Abstraction has 2318 states and 3585 transitions. [2019-10-03 02:55:40,358 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:55:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3585 transitions. [2019-10-03 02:55:40,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-10-03 02:55:40,373 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:40,373 INFO L411 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:40,373 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:40,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:40,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2024929825, now seen corresponding path program 1 times [2019-10-03 02:55:40,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:40,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:40,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:40,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:40,379 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:40,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:40,899 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-10-03 02:55:40,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:55:40,900 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:55:40,901 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2019-10-03 02:55:40,904 INFO L207 CegarAbsIntRunner]: [29], [30], [72], [75], [85], [96], [99], [109], [110], [113], [118], [120], [122], [139], [142], [143], [144], [146], [256], [258], [261], [262], [265], [266], [267], [270], [276], [277], [278], [300], [302], [304], [311], [314], [315], [317], [318], [321], [330], [351], [353], [354], [357], [367], [368], [369], [380], [383], [389], [391], [409], [410], [413], [415], [420], [424], [426], [440], [442], [443], [615], [617], [618], [619], [655], [658], [672], [711], [712], [713], [715], [717], [719], [753], [757], [760], [768], [771], [802], [805], [830], [833], [836], [845], [849], [851], [853], [856], [863], [870], [873], [875], [1011], [1014], [1028], [1136], [1208], [1210], [1227], [1230], [1231], [1242], [1245], [1246], [1249], [1252], [1283], [1286], [1288], [1290], [1357], [1360], [1366], [1367], [1370], [1380], [1401], [1404], [1418], [1426], [1429], [1438], [1452], [1453], [1632], [1634], [1636], [1638], [1639], [1661], [1662], [1663], [1664], [1665], [1666], [1667], [1668], [1669], [1671], [1672], [1673], [1674], [1675], [1676], [1679], [1680], [1681], [1682], [1683], [1684], [1685], [1686], [1687], [1688], [1695], [1696], [1697], [1698], [1703], [1704], [1705], [1706], [1715], [1716], [1721], [1722], [1723], [1724], [1727], [1728], [1729], [1730], [1731], [1733], [1734], [1751], [1752], [1765], [1766], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1775], [1776], [1777], [1778], [1779], [1781], [1782], [1783], [1784], [1799], [1800], [1801], [1802], [1813], [1814], [1819], [1820], [1837], [1839], [1840], [1857], [1858], [1859], [1860], [1861], [1862], [1863], [1864], [1865], [1866], [1887], [1888], [1889], [1890], [1891], [1892], [1893], [1894], [1895] [2019-10-03 02:55:40,957 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:55:40,957 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:55:41,092 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:55:41,094 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 196 root evaluator evaluations with a maximum evaluation depth of 0. Performed 196 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-10-03 02:55:41,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:41,100 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:55:41,190 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:55:41,191 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:55:41,199 INFO L420 sIntCurrentIteration]: We unified 288 AI predicates to 288 [2019-10-03 02:55:41,200 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:55:41,201 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:55:41,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:55:41,202 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:41,203 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:41,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:41,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:41,203 INFO L87 Difference]: Start difference. First operand 2318 states and 3585 transitions. Second operand 2 states. [2019-10-03 02:55:41,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:41,204 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:55:41,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:41,204 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 289 [2019-10-03 02:55:41,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:41,205 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:55:41,205 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:55:41,206 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:41,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:55:41,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:55:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:55:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:55:41,207 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 289 [2019-10-03 02:55:41,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:41,207 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:55:41,207 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:55:41,208 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:55:41,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:55:41 BoogieIcfgContainer [2019-10-03 02:55:41,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:55:41,217 INFO L168 Benchmark]: Toolchain (without parser) took 10077.26 ms. Allocated memory was 142.1 MB in the beginning and 449.8 MB in the end (delta: 307.8 MB). Free memory was 87.2 MB in the beginning and 178.9 MB in the end (delta: -91.7 MB). Peak memory consumption was 216.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,219 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1128.43 ms. Allocated memory was 142.1 MB in the beginning and 202.9 MB in the end (delta: 60.8 MB). Free memory was 87.0 MB in the beginning and 136.8 MB in the end (delta: -49.8 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,222 INFO L168 Benchmark]: Boogie Preprocessor took 187.18 ms. Allocated memory is still 202.9 MB. Free memory was 136.8 MB in the beginning and 128.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,228 INFO L168 Benchmark]: RCFGBuilder took 2389.29 ms. Allocated memory was 202.9 MB in the beginning and 258.5 MB in the end (delta: 55.6 MB). Free memory was 128.0 MB in the beginning and 149.0 MB in the end (delta: -20.9 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,229 INFO L168 Benchmark]: TraceAbstraction took 6367.20 ms. Allocated memory was 258.5 MB in the beginning and 449.8 MB in the end (delta: 191.4 MB). Free memory was 147.0 MB in the beginning and 178.9 MB in the end (delta: -32.0 MB). Peak memory consumption was 159.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,241 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1128.43 ms. Allocated memory was 142.1 MB in the beginning and 202.9 MB in the end (delta: 60.8 MB). Free memory was 87.0 MB in the beginning and 136.8 MB in the end (delta: -49.8 MB). Peak memory consumption was 30.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 187.18 ms. Allocated memory is still 202.9 MB. Free memory was 136.8 MB in the beginning and 128.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2389.29 ms. Allocated memory was 202.9 MB in the beginning and 258.5 MB in the end (delta: 55.6 MB). Free memory was 128.0 MB in the beginning and 149.0 MB in the end (delta: -20.9 MB). Peak memory consumption was 86.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 6367.20 ms. Allocated memory was 258.5 MB in the beginning and 449.8 MB in the end (delta: 191.4 MB). Free memory was 147.0 MB in the beginning and 178.9 MB in the end (delta: -32.0 MB). Peak memory consumption was 159.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 839]: 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 113 procedures, 775 locations, 1 error locations. SAFE Result, 6.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6503 SDtfs, 2093 SDslu, 10840 SDs, 0 SdLazy, 373 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 342 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2348occurred in iteration=8, 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, 1.8958333333333333 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 21 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2026 NumberOfCodeBlocks, 2026 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2016 ConstructedInterpolants, 0 QuantifiedInterpolants, 560025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 502/510 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...