java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:46:45,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:46:45,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:46:45,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:46:45,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:46:45,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:46:45,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:46:45,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:46:45,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:46:45,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:46:45,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:46:45,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:46:45,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:46:45,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:46:45,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:46:45,674 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:46:45,675 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:46:45,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:46:45,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:46:45,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:46:45,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:46:45,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:46:45,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:46:45,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:46:45,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:46:45,686 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:46:45,686 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:46:45,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:46:45,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:46:45,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:46:45,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:46:45,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:46:45,691 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:46:45,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:46:45,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:46:45,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:46:45,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:46:45,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:46:45,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:46:45,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:46:45,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:46:45,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:46:45,717 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:46:45,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:46:45,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:46:45,718 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:46:45,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:46:45,718 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:46:45,719 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:46:45,719 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:46:45,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:46:45,720 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:46:45,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:46:45,722 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:46:45,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:46:45,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:46:45,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:46:45,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:46:45,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:46:45,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:46:45,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:46:45,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:46:45,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:46:45,724 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:46:45,724 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:46:45,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:46:45,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:46:45,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:46:45,725 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:46:45,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:46:45,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:46:45,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:46:45,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:46:45,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:46:45,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:46:45,786 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:46:45,786 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:46:45,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product20.cil.c [2019-09-10 02:46:45,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f688b38/701c6fbc530d42319399b3e1a1c1135d/FLAG52e372846 [2019-09-10 02:46:46,527 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:46:46,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product20.cil.c [2019-09-10 02:46:46,560 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f688b38/701c6fbc530d42319399b3e1a1c1135d/FLAG52e372846 [2019-09-10 02:46:46,756 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53f688b38/701c6fbc530d42319399b3e1a1c1135d [2019-09-10 02:46:46,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:46:46,768 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:46:46,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:46,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:46:46,775 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:46:46,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:46" (1/1) ... [2019-09-10 02:46:46,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef56dae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:46, skipping insertion in model container [2019-09-10 02:46:46,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:46" (1/1) ... [2019-09-10 02:46:46,784 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:46:46,849 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:46:47,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:47,660 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:46:47,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:47,857 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:46:47,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47 WrapperNode [2019-09-10 02:46:47,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:47,858 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:46:47,858 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:46:47,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:46:47,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47" (1/1) ... [2019-09-10 02:46:47,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47" (1/1) ... [2019-09-10 02:46:47,906 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47" (1/1) ... [2019-09-10 02:46:47,907 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47" (1/1) ... [2019-09-10 02:46:47,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47" (1/1) ... [2019-09-10 02:46:48,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47" (1/1) ... [2019-09-10 02:46:48,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47" (1/1) ... [2019-09-10 02:46:48,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:46:48,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:46:48,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:46:48,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:46:48,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:46:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:46:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:46:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:46:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:46:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:46:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:46:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:46:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:46:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:46:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:46:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:46:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:46:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:46:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:46:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:46:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:46:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:46:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:46:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:46:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:46:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:46:48,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:46:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:46:48,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:46:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:46:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:46:48,154 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:46:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:46:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:46:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:46:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:46:48,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:46:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:46:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:46:48,156 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:46:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:46:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:46:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:46:48,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:46:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:46:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:46:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:46:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:46:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:46:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:46:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:46:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:46:48,159 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:46:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:46:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:46:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:46:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:46:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:46:48,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:46:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:46:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:46:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:48,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:46:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:46:48,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:46:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:46:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:46:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:46:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:46:48,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:46:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:46:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:46:48,164 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:46:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:46:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:46:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:46:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:46:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-09-10 02:46:48,165 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:46:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:46:48,166 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:46:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:46:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:46:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:46:48,167 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:46:48,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:46:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:46:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:46:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:46:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:46:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:46:48,169 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:46:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:46:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:46:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:46:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:46:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:46:48,170 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:46:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:46:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:46:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:46:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:46:48,171 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:46:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:46:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:46:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:46:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:46:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:46:48,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:46:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:46:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:46:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:46:48,173 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:46:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:46:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:46:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:46:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:46:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:46:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:46:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:46:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:46:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:46:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:46:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:46:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:46:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:46:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:46:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:46:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:46:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:46:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:46:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:46:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:46:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:46:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:46:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:46:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:46:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:46:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:46:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:46:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:46:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:46:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:46:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:46:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:46:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:46:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:46:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:46:48,196 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:46:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:46:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:46:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:46:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:46:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:46:48,197 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:46:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:46:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:46:48,198 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:46:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:48,199 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:46:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:46:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:46:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:46:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:46:48,200 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:46:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:46:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:46:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:46:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:46:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:46:48,201 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:46:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:46:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:46:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:46:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:46:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:46:48,202 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:46:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:46:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:46:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:46:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:46:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:46:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:46:48,203 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:46:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:46:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:46:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:46:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:46:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:46:48,204 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:46:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:46:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:46:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:46:48,205 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:46:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:46:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:46:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:46:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:46:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:46:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:46:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:46:48,206 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:46:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:46:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:46:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:46:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:46:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:46:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:46:48,207 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:46:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:46:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:46:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:46:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:46:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:46:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:46:48,208 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:46:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:46:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:46:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:46:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-09-10 02:46:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:46:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:46:48,209 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:46:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:46:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:46:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:46:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:46:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:46:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:46:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:46:48,210 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:46:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:46:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:46:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:46:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:46:48,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:46:50,522 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:46:50,523 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:46:50,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:46:50 BoogieIcfgContainer [2019-09-10 02:46:50,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:46:50,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:46:50,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:46:50,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:46:50,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:46:46" (1/3) ... [2019-09-10 02:46:50,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e9257d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:46:50, skipping insertion in model container [2019-09-10 02:46:50,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:47" (2/3) ... [2019-09-10 02:46:50,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24e9257d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:46:50, skipping insertion in model container [2019-09-10 02:46:50,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:46:50" (3/3) ... [2019-09-10 02:46:50,534 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product20.cil.c [2019-09-10 02:46:50,544 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:46:50,557 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:46:50,574 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:46:50,614 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:46:50,615 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:46:50,615 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:46:50,615 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:46:50,615 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:46:50,615 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:46:50,615 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:46:50,615 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:46:50,656 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states. [2019-09-10 02:46:50,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-10 02:46:50,701 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:50,703 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:50,707 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:50,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:50,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1483923005, now seen corresponding path program 1 times [2019-09-10 02:46:50,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:50,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:50,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:50,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:50,775 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:51,283 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:51,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:51,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:46:51,286 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:51,292 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:46:51,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:46:51,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:51,311 INFO L87 Difference]: Start difference. First operand 563 states. Second operand 2 states. [2019-09-10 02:46:51,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:51,364 INFO L93 Difference]: Finished difference Result 519 states and 712 transitions. [2019-09-10 02:46:51,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:46:51,365 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-09-10 02:46:51,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:51,390 INFO L225 Difference]: With dead ends: 519 [2019-09-10 02:46:51,390 INFO L226 Difference]: Without dead ends: 510 [2019-09-10 02:46:51,392 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:51,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2019-09-10 02:46:51,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 510. [2019-09-10 02:46:51,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-09-10 02:46:51,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 701 transitions. [2019-09-10 02:46:51,483 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 701 transitions. Word has length 154 [2019-09-10 02:46:51,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:51,485 INFO L475 AbstractCegarLoop]: Abstraction has 510 states and 701 transitions. [2019-09-10 02:46:51,485 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:46:51,485 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 701 transitions. [2019-09-10 02:46:51,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-10 02:46:51,490 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:51,491 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:51,491 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:51,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:51,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1309919830, now seen corresponding path program 1 times [2019-09-10 02:46:51,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:51,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:51,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:51,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:51,494 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:51,847 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:51,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:51,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:51,848 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:51,850 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:51,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:51,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:51,851 INFO L87 Difference]: Start difference. First operand 510 states and 701 transitions. Second operand 3 states. [2019-09-10 02:46:51,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:51,893 INFO L93 Difference]: Finished difference Result 513 states and 704 transitions. [2019-09-10 02:46:51,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:51,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-09-10 02:46:51,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:51,900 INFO L225 Difference]: With dead ends: 513 [2019-09-10 02:46:51,901 INFO L226 Difference]: Without dead ends: 513 [2019-09-10 02:46:51,902 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:51,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2019-09-10 02:46:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 512. [2019-09-10 02:46:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-09-10 02:46:51,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 703 transitions. [2019-09-10 02:46:51,943 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 703 transitions. Word has length 155 [2019-09-10 02:46:51,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:51,945 INFO L475 AbstractCegarLoop]: Abstraction has 512 states and 703 transitions. [2019-09-10 02:46:51,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:51,945 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 703 transitions. [2019-09-10 02:46:51,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-10 02:46:51,951 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:51,955 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:51,955 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:51,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:51,956 INFO L82 PathProgramCache]: Analyzing trace with hash 406210246, now seen corresponding path program 1 times [2019-09-10 02:46:51,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:51,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:51,957 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:51,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:51,957 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:52,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:52,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:52,257 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:52,258 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:52,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:52,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:52,261 INFO L87 Difference]: Start difference. First operand 512 states and 703 transitions. Second operand 3 states. [2019-09-10 02:46:52,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:52,304 INFO L93 Difference]: Finished difference Result 555 states and 776 transitions. [2019-09-10 02:46:52,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:52,304 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-09-10 02:46:52,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:52,312 INFO L225 Difference]: With dead ends: 555 [2019-09-10 02:46:52,312 INFO L226 Difference]: Without dead ends: 555 [2019-09-10 02:46:52,313 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:52,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2019-09-10 02:46:52,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 554. [2019-09-10 02:46:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2019-09-10 02:46:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 775 transitions. [2019-09-10 02:46:52,368 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 775 transitions. Word has length 165 [2019-09-10 02:46:52,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:52,370 INFO L475 AbstractCegarLoop]: Abstraction has 554 states and 775 transitions. [2019-09-10 02:46:52,370 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:52,370 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 775 transitions. [2019-09-10 02:46:52,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-09-10 02:46:52,376 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:52,376 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:52,377 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:52,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:52,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1441612235, now seen corresponding path program 1 times [2019-09-10 02:46:52,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:52,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:52,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:52,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:52,379 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:52,564 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:52,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:52,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:52,564 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:52,566 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:52,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:52,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:52,566 INFO L87 Difference]: Start difference. First operand 554 states and 775 transitions. Second operand 3 states. [2019-09-10 02:46:52,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:52,604 INFO L93 Difference]: Finished difference Result 636 states and 914 transitions. [2019-09-10 02:46:52,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:52,604 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-09-10 02:46:52,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:52,613 INFO L225 Difference]: With dead ends: 636 [2019-09-10 02:46:52,613 INFO L226 Difference]: Without dead ends: 636 [2019-09-10 02:46:52,614 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:52,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2019-09-10 02:46:52,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 635. [2019-09-10 02:46:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2019-09-10 02:46:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 913 transitions. [2019-09-10 02:46:52,643 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 913 transitions. Word has length 166 [2019-09-10 02:46:52,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:52,643 INFO L475 AbstractCegarLoop]: Abstraction has 635 states and 913 transitions. [2019-09-10 02:46:52,643 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:52,644 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 913 transitions. [2019-09-10 02:46:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-10 02:46:52,648 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:52,649 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:52,649 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:52,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:52,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1339391418, now seen corresponding path program 1 times [2019-09-10 02:46:52,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:52,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:52,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:52,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:52,651 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:52,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:52,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:52,821 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:52,822 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:52,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:52,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:52,823 INFO L87 Difference]: Start difference. First operand 635 states and 913 transitions. Second operand 3 states. [2019-09-10 02:46:52,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:52,850 INFO L93 Difference]: Finished difference Result 792 states and 1178 transitions. [2019-09-10 02:46:52,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:52,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-09-10 02:46:52,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:52,856 INFO L225 Difference]: With dead ends: 792 [2019-09-10 02:46:52,856 INFO L226 Difference]: Without dead ends: 792 [2019-09-10 02:46:52,856 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:52,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2019-09-10 02:46:52,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 791. [2019-09-10 02:46:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-09-10 02:46:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1177 transitions. [2019-09-10 02:46:52,891 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1177 transitions. Word has length 167 [2019-09-10 02:46:52,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:52,891 INFO L475 AbstractCegarLoop]: Abstraction has 791 states and 1177 transitions. [2019-09-10 02:46:52,892 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:52,892 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1177 transitions. [2019-09-10 02:46:52,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-10 02:46:52,897 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:52,897 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:52,898 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:52,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:52,898 INFO L82 PathProgramCache]: Analyzing trace with hash 771079861, now seen corresponding path program 1 times [2019-09-10 02:46:52,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:52,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:52,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:52,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:52,902 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:53,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:53,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:53,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:53,086 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:53,087 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:53,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:53,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:53,087 INFO L87 Difference]: Start difference. First operand 791 states and 1177 transitions. Second operand 3 states. [2019-09-10 02:46:53,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:53,116 INFO L93 Difference]: Finished difference Result 1092 states and 1682 transitions. [2019-09-10 02:46:53,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:53,117 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-09-10 02:46:53,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:53,128 INFO L225 Difference]: With dead ends: 1092 [2019-09-10 02:46:53,129 INFO L226 Difference]: Without dead ends: 1092 [2019-09-10 02:46:53,129 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:53,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-09-10 02:46:53,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1091. [2019-09-10 02:46:53,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2019-09-10 02:46:53,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1681 transitions. [2019-09-10 02:46:53,172 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1681 transitions. Word has length 168 [2019-09-10 02:46:53,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:53,175 INFO L475 AbstractCegarLoop]: Abstraction has 1091 states and 1681 transitions. [2019-09-10 02:46:53,175 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1681 transitions. [2019-09-10 02:46:53,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-10 02:46:53,182 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:53,182 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:53,183 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:53,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:53,183 INFO L82 PathProgramCache]: Analyzing trace with hash -846644512, now seen corresponding path program 1 times [2019-09-10 02:46:53,183 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:53,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:53,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:53,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:53,185 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:53,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 02:46:53,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:53,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:53,430 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:53,431 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:53,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:53,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:53,432 INFO L87 Difference]: Start difference. First operand 1091 states and 1681 transitions. Second operand 3 states. [2019-09-10 02:46:53,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:53,468 INFO L93 Difference]: Finished difference Result 1205 states and 1845 transitions. [2019-09-10 02:46:53,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:53,472 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-09-10 02:46:53,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:53,480 INFO L225 Difference]: With dead ends: 1205 [2019-09-10 02:46:53,480 INFO L226 Difference]: Without dead ends: 1205 [2019-09-10 02:46:53,481 INFO L628 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 [2019-09-10 02:46:53,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1205 states. [2019-09-10 02:46:53,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1205 to 1204. [2019-09-10 02:46:53,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2019-09-10 02:46:53,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1843 transitions. [2019-09-10 02:46:53,531 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1843 transitions. Word has length 171 [2019-09-10 02:46:53,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:53,532 INFO L475 AbstractCegarLoop]: Abstraction has 1204 states and 1843 transitions. [2019-09-10 02:46:53,532 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:53,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1843 transitions. [2019-09-10 02:46:53,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-09-10 02:46:53,541 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:53,542 INFO L399 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] [2019-09-10 02:46:53,542 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:53,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:53,542 INFO L82 PathProgramCache]: Analyzing trace with hash -528556357, now seen corresponding path program 1 times [2019-09-10 02:46:53,543 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:53,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:53,544 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:53,544 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:53,544 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-10 02:46:53,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:53,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:46:53,848 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:53,849 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:46:53,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:46:53,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:46:53,850 INFO L87 Difference]: Start difference. First operand 1204 states and 1843 transitions. Second operand 6 states. [2019-09-10 02:46:54,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:54,472 INFO L93 Difference]: Finished difference Result 2359 states and 3646 transitions. [2019-09-10 02:46:54,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:46:54,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 295 [2019-09-10 02:46:54,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:54,489 INFO L225 Difference]: With dead ends: 2359 [2019-09-10 02:46:54,490 INFO L226 Difference]: Without dead ends: 2359 [2019-09-10 02:46:54,490 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:46:54,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2359 states. [2019-09-10 02:46:54,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2359 to 2348. [2019-09-10 02:46:54,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2348 states. [2019-09-10 02:46:54,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2348 states and 3636 transitions. [2019-09-10 02:46:54,586 INFO L78 Accepts]: Start accepts. Automaton has 2348 states and 3636 transitions. Word has length 295 [2019-09-10 02:46:54,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:54,587 INFO L475 AbstractCegarLoop]: Abstraction has 2348 states and 3636 transitions. [2019-09-10 02:46:54,587 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:46:54,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 3636 transitions. [2019-09-10 02:46:54,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-09-10 02:46:54,605 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:54,605 INFO L399 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] [2019-09-10 02:46:54,606 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:54,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:54,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1922537697, now seen corresponding path program 1 times [2019-09-10 02:46:54,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:54,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:54,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:54,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:54,608 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-10 02:46:54,873 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:54,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 02:46:54,874 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:54,875 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 02:46:54,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 02:46:54,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:46:54,875 INFO L87 Difference]: Start difference. First operand 2348 states and 3636 transitions. Second operand 9 states. [2019-09-10 02:46:55,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:55,247 INFO L93 Difference]: Finished difference Result 2336 states and 3606 transitions. [2019-09-10 02:46:55,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 02:46:55,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 296 [2019-09-10 02:46:55,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:55,261 INFO L225 Difference]: With dead ends: 2336 [2019-09-10 02:46:55,261 INFO L226 Difference]: Without dead ends: 2322 [2019-09-10 02:46:55,262 INFO L628 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 [2019-09-10 02:46:55,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2322 states. [2019-09-10 02:46:55,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2322 to 2318. [2019-09-10 02:46:55,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2318 states. [2019-09-10 02:46:55,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 3585 transitions. [2019-09-10 02:46:55,330 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 3585 transitions. Word has length 296 [2019-09-10 02:46:55,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:55,331 INFO L475 AbstractCegarLoop]: Abstraction has 2318 states and 3585 transitions. [2019-09-10 02:46:55,331 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 02:46:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 3585 transitions. [2019-09-10 02:46:55,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-09-10 02:46:55,348 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:55,348 INFO L399 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] [2019-09-10 02:46:55,351 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:55,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:55,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1501375971, now seen corresponding path program 1 times [2019-09-10 02:46:55,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:55,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:55,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:55,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:55,356 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:55,898 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-09-10 02:46:55,898 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:46:55,899 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:46:55,900 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 290 with the following transitions: [2019-09-10 02:46:55,902 INFO L207 CegarAbsIntRunner]: [29], [30], [59], [62], [72], [96], [99], [109], [110], [113], [118], [120], [122], [126], [129], [143], [144], [146], [256], [258], [261], [262], [265], [266], [267], [270], [276], [277], [278], [300], [302], [304], [311], [314], [315], [317], [328], [331], [340], [351], [353], [354], [357], [367], [368], [369], [380], [383], [389], [391], [409], [594], [596], [597], [598], [599], [601], [602], [608], [611], [613], [618], [622], [624], [655], [658], [672], [701], [702], [703], [705], [707], [709], [743], [747], [750], [768], [771], [802], [805], [830], [833], [836], [845], [849], [851], [853], [856], [863], [870], [873], [875], [1011], [1014], [1028], [1136], [1190], [1192], [1209], [1212], [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], [1745], [1746], [1747], [1748], [1755], [1756], [1757], [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] [2019-09-10 02:46:55,963 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:46:55,963 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:46:56,088 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:46:56,090 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 208 root evaluator evaluations with a maximum evaluation depth of 0. Performed 208 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-09-10 02:46:56,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:56,093 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:46:56,178 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:46:56,179 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:46:56,187 INFO L420 sIntCurrentIteration]: We unified 288 AI predicates to 288 [2019-09-10 02:46:56,187 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:46:56,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:46:56,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-09-10 02:46:56,188 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:56,189 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:46:56,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:46:56,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:56,190 INFO L87 Difference]: Start difference. First operand 2318 states and 3585 transitions. Second operand 2 states. [2019-09-10 02:46:56,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:56,190 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:46:56,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:46:56,191 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 289 [2019-09-10 02:46:56,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:56,191 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:46:56,191 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:46:56,191 INFO L628 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 [2019-09-10 02:46:56,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:46:56,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:46:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:46:56,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:46:56,192 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 289 [2019-09-10 02:46:56,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:56,193 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:46:56,193 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:46:56,193 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:46:56,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:46:56,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:46:56 BoogieIcfgContainer [2019-09-10 02:46:56,199 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:46:56,201 INFO L168 Benchmark]: Toolchain (without parser) took 9431.94 ms. Allocated memory was 136.3 MB in the beginning and 448.8 MB in the end (delta: 312.5 MB). Free memory was 88.4 MB in the beginning and 202.2 MB in the end (delta: -113.8 MB). Peak memory consumption was 198.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:56,202 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 109.7 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:46:56,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1086.23 ms. Allocated memory was 136.3 MB in the beginning and 204.5 MB in the end (delta: 68.2 MB). Free memory was 88.0 MB in the beginning and 137.8 MB in the end (delta: -49.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:56,204 INFO L168 Benchmark]: Boogie Preprocessor took 203.20 ms. Allocated memory is still 204.5 MB. Free memory was 137.8 MB in the beginning and 128.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:56,205 INFO L168 Benchmark]: RCFGBuilder took 2463.19 ms. Allocated memory was 204.5 MB in the beginning and 256.9 MB in the end (delta: 52.4 MB). Free memory was 128.5 MB in the beginning and 147.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:56,206 INFO L168 Benchmark]: TraceAbstraction took 5672.59 ms. Allocated memory was 256.9 MB in the beginning and 448.8 MB in the end (delta: 191.9 MB). Free memory was 147.9 MB in the beginning and 202.2 MB in the end (delta: -54.3 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:56,210 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 109.7 MB in the beginning and 109.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1086.23 ms. Allocated memory was 136.3 MB in the beginning and 204.5 MB in the end (delta: 68.2 MB). Free memory was 88.0 MB in the beginning and 137.8 MB in the end (delta: -49.9 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 203.20 ms. Allocated memory is still 204.5 MB. Free memory was 137.8 MB in the beginning and 128.5 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2463.19 ms. Allocated memory was 204.5 MB in the beginning and 256.9 MB in the end (delta: 52.4 MB). Free memory was 128.5 MB in the beginning and 147.9 MB in the end (delta: -19.4 MB). Peak memory consumption was 84.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5672.59 ms. Allocated memory was 256.9 MB in the beginning and 448.8 MB in the end (delta: 191.9 MB). Free memory was 147.9 MB in the beginning and 202.2 MB in the end (delta: -54.3 MB). Peak memory consumption was 137.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2931]: 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, 5.5s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6503 SDtfs, 2093 SDslu, 10840 SDs, 0 SdLazy, 373 SolverSat, 48 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 342 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s 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, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.8958333333333333 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 21 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.6s 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...