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_spec0_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:38:19,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:38:19,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:38:19,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:38:19,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:38:19,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:38:19,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:38:20,004 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:38:20,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:38:20,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:38:20,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:38:20,016 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:38:20,016 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:38:20,018 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:38:20,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:38:20,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:38:20,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:38:20,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:38:20,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:38:20,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:38:20,036 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:38:20,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:38:20,041 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:38:20,043 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:38:20,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:38:20,044 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:38:20,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:38:20,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:38:20,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:38:20,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:38:20,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:38:20,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:38:20,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:38:20,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:38:20,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:38:20,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:38:20,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:38:20,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:38:20,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:38:20,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:38:20,058 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:38:20,059 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 02:38:20,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:38:20,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:38:20,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:38:20,098 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:38:20,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:38:20,099 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:38:20,099 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:38:20,103 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:38:20,104 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:38:20,104 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:38:20,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:38:20,105 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:38:20,105 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:38:20,105 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:38:20,105 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:38:20,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:38:20,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:38:20,106 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:38:20,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:38:20,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:38:20,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:38:20,109 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:38:20,109 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:38:20,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:38:20,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:38:20,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:38:20,110 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:38:20,110 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:38:20,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:38:20,111 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:38:20,157 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:38:20,174 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:38:20,178 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:38:20,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:38:20,180 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:38:20,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c [2019-09-10 02:38:20,244 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbee1f84e/cc8f3556cd784ed1b8b3632b32338e72/FLAG1a28b0cf3 [2019-09-10 02:38:20,994 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:38:20,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product35.cil.c [2019-09-10 02:38:21,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbee1f84e/cc8f3556cd784ed1b8b3632b32338e72/FLAG1a28b0cf3 [2019-09-10 02:38:21,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fbee1f84e/cc8f3556cd784ed1b8b3632b32338e72 [2019-09-10 02:38:21,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:38:21,224 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:38:21,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:38:21,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:38:21,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:38:21,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:38:21" (1/1) ... [2019-09-10 02:38:21,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23d03d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:21, skipping insertion in model container [2019-09-10 02:38:21,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:38:21" (1/1) ... [2019-09-10 02:38:21,244 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:38:21,335 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:38:22,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:38:22,116 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:38:22,248 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:38:22,381 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:38:22,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22 WrapperNode [2019-09-10 02:38:22,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:38:22,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:38:22,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:38:22,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:38:22,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22" (1/1) ... [2019-09-10 02:38:22,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22" (1/1) ... [2019-09-10 02:38:22,475 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22" (1/1) ... [2019-09-10 02:38:22,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22" (1/1) ... [2019-09-10 02:38:22,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22" (1/1) ... [2019-09-10 02:38:22,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22" (1/1) ... [2019-09-10 02:38:22,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22" (1/1) ... [2019-09-10 02:38:22,666 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:38:22,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:38:22,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:38:22,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:38:22,671 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22" (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 02:38:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:38:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:38:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:38:22,754 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:38:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:38:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:38:22,755 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:38:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:38:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:38:22,756 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:38:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:38:22,757 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:38:22,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:38:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:38:22,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:38:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:38:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:38:22,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:38:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:38:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-09-10 02:38:22,761 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:38:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:38:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:38:22,762 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:38:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:38:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:38:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:38:22,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:38:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:38:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:38:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:38:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:38:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:38:22,764 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:38:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:38:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:38:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:38:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:38:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:38:22,765 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:38:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:38:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:38:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:38:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:38:22,766 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:38:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:38:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:38:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:38:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:38:22,767 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:38:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:38:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:38:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:38:22,768 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:38:22,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:38:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:38:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:38:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:38:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:38:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:38:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:38:22,770 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:38:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:38:22,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:38:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:38:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:38:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:38:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:38:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:38:22,772 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:38:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:38:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:38:22,773 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:38:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:38:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:38:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:38:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:38:22,774 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:38:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:38:22,775 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:38:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:38:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:38:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:38:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:38:22,776 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:38:22,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:38:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:38:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:38:22,778 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:38:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:38:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:38:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:38:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:38:22,779 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:38:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:38:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:38:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:38:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:38:22,780 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:38:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:38:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:38:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:38:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:38:22,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:38:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:38:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:38:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:38:22,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:38:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:38:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:38:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:38:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:38:22,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:38:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:38:22,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:38:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:38:22,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:38:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:38:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:38:22,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:38:22,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:38:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:38:22,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:38:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:38:22,788 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:38:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:38:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:38:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:38:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:38:22,789 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:38:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:38:22,790 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:38:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:38:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:38:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:38:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:38:22,791 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:38:22,792 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:38:22,793 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:38:22,796 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:38:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:38:22,797 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:38:22,798 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:38:22,804 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:38:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:38:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:38:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:38:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:38:22,805 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:38:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:38:22,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:38:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:38:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:38:22,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:38:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:38:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:38:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:38:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:38:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:38:22,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:38:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:38:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:38:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-09-10 02:38:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:38:22,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:38:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:38:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:38:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:38:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:38:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:38:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:38:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:38:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:38:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:38:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:38:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:38:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:38:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:38:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:38:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:38:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:38:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:38:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:38:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:38:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:38:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:38:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:38:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:38:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:38:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:38:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:38:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:38:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:38:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:38:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:38:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:38:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:38:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:38:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:38:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:38:22,816 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:38:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:38:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:38:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:38:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:38:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:38:22,817 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:38:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:38:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:38:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:38:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:38:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:38:22,818 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:38:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:38:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:38:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:38:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:38:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:38:22,819 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:38:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:38:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:38:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:38:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:38:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:38:22,820 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:38:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:38:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:38:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:38:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:38:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:38:22,821 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:38:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:38:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:38:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:38:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:38:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:38:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:38:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:38:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:38:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:38:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:38:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:38:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:38:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:38:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:38:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:38:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:38:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:38:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:38:22,824 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:38:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:38:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:38:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:38:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:38:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:38:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:38:22,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:38:25,305 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:38:25,306 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:38:25,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:38:25 BoogieIcfgContainer [2019-09-10 02:38:25,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:38:25,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:38:25,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:38:25,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:38:25,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:38:21" (1/3) ... [2019-09-10 02:38:25,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7ee05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:38:25, skipping insertion in model container [2019-09-10 02:38:25,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:38:22" (2/3) ... [2019-09-10 02:38:25,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f7ee05d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:38:25, skipping insertion in model container [2019-09-10 02:38:25,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:38:25" (3/3) ... [2019-09-10 02:38:25,323 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product35.cil.c [2019-09-10 02:38:25,333 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:38:25,354 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:38:25,374 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:38:25,405 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:38:25,405 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:38:25,406 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:38:25,406 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:38:25,406 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:38:25,406 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:38:25,406 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:38:25,406 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:38:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states. [2019-09-10 02:38:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-09-10 02:38:25,478 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:25,480 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:25,482 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:25,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:25,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1323292494, now seen corresponding path program 1 times [2019-09-10 02:38:25,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:25,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:25,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:25,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:25,541 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-09-10 02:38:26,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:26,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:38:26,258 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:26,266 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:38:26,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:38:26,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:38:26,285 INFO L87 Difference]: Start difference. First operand 680 states. Second operand 2 states. [2019-09-10 02:38:26,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:26,356 INFO L93 Difference]: Finished difference Result 660 states and 892 transitions. [2019-09-10 02:38:26,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:38:26,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 241 [2019-09-10 02:38:26,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:26,385 INFO L225 Difference]: With dead ends: 660 [2019-09-10 02:38:26,386 INFO L226 Difference]: Without dead ends: 651 [2019-09-10 02:38:26,387 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 02:38:26,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651 states. [2019-09-10 02:38:26,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651 to 651. [2019-09-10 02:38:26,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2019-09-10 02:38:26,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 881 transitions. [2019-09-10 02:38:26,488 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 881 transitions. Word has length 241 [2019-09-10 02:38:26,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:26,491 INFO L475 AbstractCegarLoop]: Abstraction has 651 states and 881 transitions. [2019-09-10 02:38:26,491 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:38:26,491 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 881 transitions. [2019-09-10 02:38:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-09-10 02:38:26,500 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:26,500 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:26,501 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:26,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:26,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1534104076, now seen corresponding path program 1 times [2019-09-10 02:38:26,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:26,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:26,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:26,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:26,503 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:26,811 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-09-10 02:38:26,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:26,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:38:26,812 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:26,814 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:38:26,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:38:26,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:38:26,815 INFO L87 Difference]: Start difference. First operand 651 states and 881 transitions. Second operand 3 states. [2019-09-10 02:38:26,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:26,859 INFO L93 Difference]: Finished difference Result 654 states and 884 transitions. [2019-09-10 02:38:26,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:38:26,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-09-10 02:38:26,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:26,866 INFO L225 Difference]: With dead ends: 654 [2019-09-10 02:38:26,867 INFO L226 Difference]: Without dead ends: 654 [2019-09-10 02:38:26,868 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 02:38:26,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2019-09-10 02:38:26,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 653. [2019-09-10 02:38:26,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2019-09-10 02:38:26,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 883 transitions. [2019-09-10 02:38:26,905 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 883 transitions. Word has length 242 [2019-09-10 02:38:26,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:26,907 INFO L475 AbstractCegarLoop]: Abstraction has 653 states and 883 transitions. [2019-09-10 02:38:26,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:38:26,908 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 883 transitions. [2019-09-10 02:38:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-09-10 02:38:26,914 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:26,914 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:26,914 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:26,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:26,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1794718877, now seen corresponding path program 1 times [2019-09-10 02:38:26,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:26,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:26,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:26,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:26,916 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-09-10 02:38:27,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:27,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:38:27,152 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:27,153 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:38:27,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:38:27,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:38:27,156 INFO L87 Difference]: Start difference. First operand 653 states and 883 transitions. Second operand 3 states. [2019-09-10 02:38:27,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:27,200 INFO L93 Difference]: Finished difference Result 698 states and 959 transitions. [2019-09-10 02:38:27,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:38:27,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 254 [2019-09-10 02:38:27,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:27,213 INFO L225 Difference]: With dead ends: 698 [2019-09-10 02:38:27,213 INFO L226 Difference]: Without dead ends: 698 [2019-09-10 02:38:27,214 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 02:38:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2019-09-10 02:38:27,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 697. [2019-09-10 02:38:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 697 states. [2019-09-10 02:38:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 958 transitions. [2019-09-10 02:38:27,283 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 958 transitions. Word has length 254 [2019-09-10 02:38:27,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:27,285 INFO L475 AbstractCegarLoop]: Abstraction has 697 states and 958 transitions. [2019-09-10 02:38:27,285 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:38:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 958 transitions. [2019-09-10 02:38:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-09-10 02:38:27,293 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:27,294 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:27,294 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:27,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:27,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1323106751, now seen corresponding path program 1 times [2019-09-10 02:38:27,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:27,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:27,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:27,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:27,298 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:27,580 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2019-09-10 02:38:27,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:27,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:38:27,581 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:27,583 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:38:27,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:38:27,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:38:27,584 INFO L87 Difference]: Start difference. First operand 697 states and 958 transitions. Second operand 3 states. [2019-09-10 02:38:27,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:27,625 INFO L93 Difference]: Finished difference Result 783 states and 1103 transitions. [2019-09-10 02:38:27,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:38:27,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 255 [2019-09-10 02:38:27,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:27,636 INFO L225 Difference]: With dead ends: 783 [2019-09-10 02:38:27,638 INFO L226 Difference]: Without dead ends: 783 [2019-09-10 02:38:27,639 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 02:38:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2019-09-10 02:38:27,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 782. [2019-09-10 02:38:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2019-09-10 02:38:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1102 transitions. [2019-09-10 02:38:27,670 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1102 transitions. Word has length 255 [2019-09-10 02:38:27,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:27,670 INFO L475 AbstractCegarLoop]: Abstraction has 782 states and 1102 transitions. [2019-09-10 02:38:27,670 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:38:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1102 transitions. [2019-09-10 02:38:27,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-09-10 02:38:27,685 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:27,686 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:27,686 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:27,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:27,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1302871583, now seen corresponding path program 1 times [2019-09-10 02:38:27,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:27,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:27,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:27,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:27,689 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:28,322 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-09-10 02:38:28,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:28,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2019-09-10 02:38:28,323 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:28,324 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-10 02:38:28,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-10 02:38:28,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:38:28,326 INFO L87 Difference]: Start difference. First operand 782 states and 1102 transitions. Second operand 19 states. [2019-09-10 02:38:35,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:35,031 INFO L93 Difference]: Finished difference Result 2299 states and 3257 transitions. [2019-09-10 02:38:35,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2019-09-10 02:38:35,032 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 258 [2019-09-10 02:38:35,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:35,052 INFO L225 Difference]: With dead ends: 2299 [2019-09-10 02:38:35,053 INFO L226 Difference]: Without dead ends: 2299 [2019-09-10 02:38:35,055 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=287, Invalid=2683, Unknown=0, NotChecked=0, Total=2970 [2019-09-10 02:38:35,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2299 states. [2019-09-10 02:38:35,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2299 to 2262. [2019-09-10 02:38:35,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2262 states. [2019-09-10 02:38:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3204 transitions. [2019-09-10 02:38:35,167 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3204 transitions. Word has length 258 [2019-09-10 02:38:35,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:35,168 INFO L475 AbstractCegarLoop]: Abstraction has 2262 states and 3204 transitions. [2019-09-10 02:38:35,169 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-10 02:38:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3204 transitions. [2019-09-10 02:38:35,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-09-10 02:38:35,180 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:35,181 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:35,181 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:35,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:35,182 INFO L82 PathProgramCache]: Analyzing trace with hash -150304222, now seen corresponding path program 1 times [2019-09-10 02:38:35,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:35,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:35,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:35,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:35,186 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-09-10 02:38:35,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:35,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-10 02:38:35,589 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:35,590 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-10 02:38:35,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-10 02:38:35,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-09-10 02:38:35,591 INFO L87 Difference]: Start difference. First operand 2262 states and 3204 transitions. Second operand 18 states. [2019-09-10 02:38:36,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:36,205 INFO L93 Difference]: Finished difference Result 2460 states and 3502 transitions. [2019-09-10 02:38:36,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-10 02:38:36,205 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 259 [2019-09-10 02:38:36,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:36,223 INFO L225 Difference]: With dead ends: 2460 [2019-09-10 02:38:36,223 INFO L226 Difference]: Without dead ends: 2444 [2019-09-10 02:38:36,224 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2019-09-10 02:38:36,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2444 states. [2019-09-10 02:38:36,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2444 to 2444. [2019-09-10 02:38:36,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2444 states. [2019-09-10 02:38:36,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2444 states to 2444 states and 3473 transitions. [2019-09-10 02:38:36,389 INFO L78 Accepts]: Start accepts. Automaton has 2444 states and 3473 transitions. Word has length 259 [2019-09-10 02:38:36,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:36,390 INFO L475 AbstractCegarLoop]: Abstraction has 2444 states and 3473 transitions. [2019-09-10 02:38:36,390 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-10 02:38:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2444 states and 3473 transitions. [2019-09-10 02:38:36,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-09-10 02:38:36,400 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:36,401 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:36,401 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:36,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:36,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1524612594, now seen corresponding path program 1 times [2019-09-10 02:38:36,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:36,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:36,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:36,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:36,403 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:36,816 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-09-10 02:38:36,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:36,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-09-10 02:38:36,817 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:36,818 INFO L454 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-09-10 02:38:36,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-09-10 02:38:36,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2019-09-10 02:38:36,819 INFO L87 Difference]: Start difference. First operand 2444 states and 3473 transitions. Second operand 15 states. [2019-09-10 02:38:41,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:41,850 INFO L93 Difference]: Finished difference Result 2544 states and 3626 transitions. [2019-09-10 02:38:41,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-09-10 02:38:41,855 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 259 [2019-09-10 02:38:41,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:41,870 INFO L225 Difference]: With dead ends: 2544 [2019-09-10 02:38:41,871 INFO L226 Difference]: Without dead ends: 2544 [2019-09-10 02:38:41,872 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 512 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=229, Invalid=1933, Unknown=0, NotChecked=0, Total=2162 [2019-09-10 02:38:41,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2544 states. [2019-09-10 02:38:41,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2544 to 2514. [2019-09-10 02:38:41,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2514 states. [2019-09-10 02:38:41,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2514 states to 2514 states and 3589 transitions. [2019-09-10 02:38:41,957 INFO L78 Accepts]: Start accepts. Automaton has 2514 states and 3589 transitions. Word has length 259 [2019-09-10 02:38:41,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:41,958 INFO L475 AbstractCegarLoop]: Abstraction has 2514 states and 3589 transitions. [2019-09-10 02:38:41,958 INFO L476 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-09-10 02:38:41,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 3589 transitions. [2019-09-10 02:38:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-09-10 02:38:41,967 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:41,967 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:41,968 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:41,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:41,968 INFO L82 PathProgramCache]: Analyzing trace with hash 500619753, now seen corresponding path program 1 times [2019-09-10 02:38:41,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:41,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:41,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:41,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:41,969 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-09-10 02:38:42,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:38:42,249 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:38:42,249 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:42,250 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:38:42,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:38:42,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:38:42,251 INFO L87 Difference]: Start difference. First operand 2514 states and 3589 transitions. Second operand 5 states. [2019-09-10 02:38:43,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:43,839 INFO L93 Difference]: Finished difference Result 5415 states and 7778 transitions. [2019-09-10 02:38:43,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:38:43,840 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 259 [2019-09-10 02:38:43,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:43,877 INFO L225 Difference]: With dead ends: 5415 [2019-09-10 02:38:43,877 INFO L226 Difference]: Without dead ends: 5415 [2019-09-10 02:38:43,878 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:38:43,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5415 states. [2019-09-10 02:38:44,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5415 to 5397. [2019-09-10 02:38:44,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5397 states. [2019-09-10 02:38:44,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5397 states to 5397 states and 7750 transitions. [2019-09-10 02:38:44,086 INFO L78 Accepts]: Start accepts. Automaton has 5397 states and 7750 transitions. Word has length 259 [2019-09-10 02:38:44,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:44,086 INFO L475 AbstractCegarLoop]: Abstraction has 5397 states and 7750 transitions. [2019-09-10 02:38:44,086 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:38:44,087 INFO L276 IsEmpty]: Start isEmpty. Operand 5397 states and 7750 transitions. [2019-09-10 02:38:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-09-10 02:38:44,104 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:38:44,104 INFO L399 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:38:44,104 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:38:44,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:44,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1958504696, now seen corresponding path program 1 times [2019-09-10 02:38:44,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:38:44,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:44,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:38:44,107 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:38:44,107 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:38:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:38:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-09-10 02:38:44,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:38:44,375 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:38:44,376 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 260 with the following transitions: [2019-09-10 02:38:44,380 INFO L207 CegarAbsIntRunner]: [44], [47], [50], [79], [82], [92], [116], [119], [129], [130], [159], [162], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [318], [321], [327], [329], [332], [334], [336], [343], [347], [349], [350], [353], [362], [373], [375], [378], [382], [383], [385], [386], [389], [399], [400], [401], [428], [430], [442], [464], [466], [486], [580], [661], [663], [664], [665], [683], [685], [690], [714], [717], [731], [770], [771], [772], [774], [787], [789], [792], [796], [820], [824], [827], [835], [838], [862], [865], [875], [876], [878], [903], [909], [918], [922], [924], [926], [929], [936], [943], [946], [948], [1086], [1088], [1105], [1109], [1112], [1126], [1234], [1288], [1310], [1321], [1324], [1325], [1328], [1332], [1336], [1362], [1365], [1367], [1436], [1439], [1445], [1446], [1449], [1459], [1480], [1483], [1497], [1503], [1506], [1515], [1709], [1711], [1713], [1715], [1716], [1728], [1729], [1730], [1731], [1732], [1733], [1734], [1752], [1762], [1763], [1764], [1765], [1766], [1767], [1770], [1771], [1772], [1773], [1774], [1776], [1777], [1778], [1779], [1786], [1787], [1788], [1789], [1792], [1793], [1794], [1795], [1800], [1802], [1803], [1808], [1809], [1812], [1813], [1818], [1819], [1832], [1833], [1834], [1835], [1836], [1844], [1860], [1861], [1870], [1871], [1872], [1880], [1881], [1882], [1884], [1885], [1890], [1891], [1892], [1893], [1894], [1895], [1896], [1897], [1898], [1900], [1901], [1902], [1903], [1924], [1925], [1936], [1942], [1943], [1962], [1964], [1965], [1982], [1984], [1985], [1986], [1988], [1989], [1990], [1991], [1992], [1993], [1994], [2014], [2015], [2016], [2017], [2018], [2019], [2020], [2021], [2022] [2019-09-10 02:38:44,447 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:38:44,447 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:38:44,582 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:38:44,584 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 195 root evaluator evaluations with a maximum evaluation depth of 0. Performed 195 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 384 variables. [2019-09-10 02:38:44,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:38:44,589 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:38:44,681 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:38:44,681 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:38:44,698 INFO L420 sIntCurrentIteration]: We unified 258 AI predicates to 258 [2019-09-10 02:38:44,699 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:38:44,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:38:44,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:38:44,700 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:38:44,701 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:38:44,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:38:44,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:38:44,703 INFO L87 Difference]: Start difference. First operand 5397 states and 7750 transitions. Second operand 2 states. [2019-09-10 02:38:44,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:38:44,703 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:38:44,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:38:44,704 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 259 [2019-09-10 02:38:44,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:38:44,705 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:38:44,705 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:38:44,706 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 258 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 02:38:44,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:38:44,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:38:44,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:38:44,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:38:44,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 259 [2019-09-10 02:38:44,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:38:44,707 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:38:44,707 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:38:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:38:44,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:38:44,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:38:44 BoogieIcfgContainer [2019-09-10 02:38:44,713 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:38:44,717 INFO L168 Benchmark]: Toolchain (without parser) took 23491.03 ms. Allocated memory was 133.2 MB in the beginning and 600.8 MB in the end (delta: 467.7 MB). Free memory was 85.3 MB in the beginning and 71.3 MB in the end (delta: 14.0 MB). Peak memory consumption was 481.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:44,718 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:38:44,721 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1155.78 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 84.9 MB in the beginning and 123.8 MB in the end (delta: -38.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:44,722 INFO L168 Benchmark]: Boogie Preprocessor took 282.64 ms. Allocated memory is still 200.3 MB. Free memory was 123.8 MB in the beginning and 114.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:44,723 INFO L168 Benchmark]: RCFGBuilder took 2642.19 ms. Allocated memory was 200.3 MB in the beginning and 263.2 MB in the end (delta: 62.9 MB). Free memory was 114.2 MB in the beginning and 133.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:44,729 INFO L168 Benchmark]: TraceAbstraction took 19404.03 ms. Allocated memory was 263.2 MB in the beginning and 600.8 MB in the end (delta: 337.6 MB). Free memory was 133.6 MB in the beginning and 71.3 MB in the end (delta: 62.2 MB). Peak memory consumption was 399.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:38:44,736 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 133.2 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1155.78 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 84.9 MB in the beginning and 123.8 MB in the end (delta: -38.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 282.64 ms. Allocated memory is still 200.3 MB. Free memory was 123.8 MB in the beginning and 114.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2642.19 ms. Allocated memory was 200.3 MB in the beginning and 263.2 MB in the end (delta: 62.9 MB). Free memory was 114.2 MB in the beginning and 133.6 MB in the end (delta: -19.4 MB). Peak memory consumption was 75.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19404.03 ms. Allocated memory was 263.2 MB in the beginning and 600.8 MB in the end (delta: 337.6 MB). Free memory was 133.6 MB in the beginning and 71.3 MB in the end (delta: 62.2 MB). Peak memory consumption was 399.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 220]: 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 121 procedures, 839 locations, 1 error locations. SAFE Result, 19.3s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 14.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 9029 SDtfs, 6045 SDslu, 56360 SDs, 0 SdLazy, 8440 SolverSat, 1158 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 428 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5397occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.0155038759689923 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 88 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2286 NumberOfCodeBlocks, 2286 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2277 ConstructedInterpolants, 0 QuantifiedInterpolants, 751336 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 454/460 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...