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_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:57,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:57,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:57,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:57,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:57,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:57,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:57,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:57,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:57,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:57,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:57,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:57,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:57,086 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:57,087 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:57,088 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:57,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:57,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:57,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:57,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:57,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:57,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:57,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:57,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:57,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:57,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:57,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:57,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:57,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:57,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:57,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:57,105 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:57,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:57,106 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:57,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:57,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:57,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:57,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:57,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:57,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:57,110 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:57,114 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:52:57,136 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:57,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:57,136 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:57,137 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:57,137 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:57,138 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:57,138 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:57,138 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:57,138 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:57,138 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:57,139 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:57,139 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:57,140 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:57,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:57,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:57,140 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:57,140 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:57,141 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:57,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:57,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:57,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:57,141 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:57,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:57,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:57,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:57,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:57,143 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:57,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:57,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:57,143 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:57,190 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:57,207 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:57,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:57,214 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:57,214 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:57,215 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-10-03 02:52:57,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bf2de34/fb21796fa2904e0e90dad5220724f9dc/FLAG7d1e1ed0a [2019-10-03 02:52:57,969 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:57,970 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-10-03 02:52:58,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bf2de34/fb21796fa2904e0e90dad5220724f9dc/FLAG7d1e1ed0a [2019-10-03 02:52:58,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42bf2de34/fb21796fa2904e0e90dad5220724f9dc [2019-10-03 02:52:58,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:58,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:58,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:58,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:58,122 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:58,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:58" (1/1) ... [2019-10-03 02:52:58,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e246330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:58, skipping insertion in model container [2019-10-03 02:52:58,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:58" (1/1) ... [2019-10-03 02:52:58,134 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:58,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:58,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:59,020 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:59,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:59,273 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:59,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59 WrapperNode [2019-10-03 02:52:59,274 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:59,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:59,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:59,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:59,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,327 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,327 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... [2019-10-03 02:52:59,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:59,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:59,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:59,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:59,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:59,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:52:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:52:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:59,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:59,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:59,545 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:59,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:59,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:59,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:59,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:59,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:59,551 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:52:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:59,552 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:52:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:52:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:52:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:52:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:59,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:52:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:52:59,556 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:52:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:59,557 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:59,558 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:59,559 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:59,560 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:59,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:59,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:59,562 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:59,563 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-03 02:52:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-03 02:52:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:59,564 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:59,565 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:59,566 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:59,567 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:59,568 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:59,569 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:59,570 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:59,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:59,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:59,573 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:59,574 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:59,575 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:59,576 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:52:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:59,577 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:52:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:52:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:52:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:59,578 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:52:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:52:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:59,579 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:52:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:52:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:52:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:59,580 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:59,581 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:59,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:53:02,005 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:53:02,006 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:53:02,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:02 BoogieIcfgContainer [2019-10-03 02:53:02,008 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:53:02,010 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:53:02,010 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:53:02,014 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:53:02,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:58" (1/3) ... [2019-10-03 02:53:02,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de1c43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:02, skipping insertion in model container [2019-10-03 02:53:02,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:59" (2/3) ... [2019-10-03 02:53:02,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de1c43a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:02, skipping insertion in model container [2019-10-03 02:53:02,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:02" (3/3) ... [2019-10-03 02:53:02,018 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product34.cil.c [2019-10-03 02:53:02,032 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:53:02,044 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:53:02,063 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:53:02,093 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:53:02,094 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:53:02,094 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:53:02,094 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:53:02,094 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:53:02,094 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:53:02,094 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:53:02,095 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:53:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states. [2019-10-03 02:53:02,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 02:53:02,181 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:02,182 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:02,186 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:02,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:02,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1487196270, now seen corresponding path program 1 times [2019-10-03 02:53:02,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:02,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:02,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:02,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:02,284 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:03,031 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:53:03,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:03,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:53:03,034 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:03,041 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:03,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:03,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:03,060 INFO L87 Difference]: Start difference. First operand 663 states. Second operand 2 states. [2019-10-03 02:53:03,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:03,123 INFO L93 Difference]: Finished difference Result 643 states and 871 transitions. [2019-10-03 02:53:03,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:03,125 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 204 [2019-10-03 02:53:03,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:03,154 INFO L225 Difference]: With dead ends: 643 [2019-10-03 02:53:03,155 INFO L226 Difference]: Without dead ends: 634 [2019-10-03 02:53:03,156 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:03,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2019-10-03 02:53:03,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2019-10-03 02:53:03,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2019-10-03 02:53:03,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 860 transitions. [2019-10-03 02:53:03,284 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 860 transitions. Word has length 204 [2019-10-03 02:53:03,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:03,287 INFO L475 AbstractCegarLoop]: Abstraction has 634 states and 860 transitions. [2019-10-03 02:53:03,287 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:03,287 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 860 transitions. [2019-10-03 02:53:03,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-10-03 02:53:03,295 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:03,296 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:03,296 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:03,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:03,297 INFO L82 PathProgramCache]: Analyzing trace with hash -782515477, now seen corresponding path program 1 times [2019-10-03 02:53:03,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:03,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:03,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:03,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:03,302 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:03,512 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:53:03,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:03,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:03,513 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:03,515 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:03,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:03,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:03,516 INFO L87 Difference]: Start difference. First operand 634 states and 860 transitions. Second operand 3 states. [2019-10-03 02:53:03,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:03,583 INFO L93 Difference]: Finished difference Result 637 states and 863 transitions. [2019-10-03 02:53:03,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:03,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-10-03 02:53:03,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:03,592 INFO L225 Difference]: With dead ends: 637 [2019-10-03 02:53:03,592 INFO L226 Difference]: Without dead ends: 637 [2019-10-03 02:53:03,593 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:03,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-10-03 02:53:03,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-10-03 02:53:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-03 02:53:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 862 transitions. [2019-10-03 02:53:03,681 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 862 transitions. Word has length 205 [2019-10-03 02:53:03,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:03,682 INFO L475 AbstractCegarLoop]: Abstraction has 636 states and 862 transitions. [2019-10-03 02:53:03,682 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 862 transitions. [2019-10-03 02:53:03,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-03 02:53:03,692 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:03,692 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:03,693 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:03,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:03,695 INFO L82 PathProgramCache]: Analyzing trace with hash 447199231, now seen corresponding path program 1 times [2019-10-03 02:53:03,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:03,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:03,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:03,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:03,700 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:53:03,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:03,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:03,944 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:03,948 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:03,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:03,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:03,954 INFO L87 Difference]: Start difference. First operand 636 states and 862 transitions. Second operand 3 states. [2019-10-03 02:53:03,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:03,999 INFO L93 Difference]: Finished difference Result 679 states and 935 transitions. [2019-10-03 02:53:04,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:04,001 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-10-03 02:53:04,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:04,014 INFO L225 Difference]: With dead ends: 679 [2019-10-03 02:53:04,015 INFO L226 Difference]: Without dead ends: 679 [2019-10-03 02:53:04,015 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:04,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2019-10-03 02:53:04,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 678. [2019-10-03 02:53:04,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2019-10-03 02:53:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 934 transitions. [2019-10-03 02:53:04,095 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 934 transitions. Word has length 211 [2019-10-03 02:53:04,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:04,096 INFO L475 AbstractCegarLoop]: Abstraction has 678 states and 934 transitions. [2019-10-03 02:53:04,096 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:04,097 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 934 transitions. [2019-10-03 02:53:04,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-10-03 02:53:04,109 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:04,109 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:53:04,110 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:04,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:04,111 INFO L82 PathProgramCache]: Analyzing trace with hash -811623100, now seen corresponding path program 1 times [2019-10-03 02:53:04,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:04,121 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:04,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:04,125 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-03 02:53:04,846 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:53:04,846 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:53:04,847 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2019-10-03 02:53:04,850 INFO L207 CegarAbsIntRunner]: [72], [75], [85], [116], [119], [129], [130], [146], [149], [163], [164], [166], [276], [278], [282], [285], [286], [287], [290], [296], [333], [336], [345], [356], [358], [359], [362], [372], [401], [458], [631], [633], [634], [635], [643], [646], [652], [673], [676], [690], [719], [722], [728], [729], [730], [731], [733], [735], [748], [750], [753], [757], [771], [775], [778], [796], [799], [831], [833], [858], [864], [873], [877], [879], [881], [884], [891], [898], [901], [1039], [1041], [1058], [1187], [1189], [1190], [1191], [1194], [1196], [1198], [1201], [1220], [1292], [1296], [1307], [1310], [1311], [1314], [1317], [1348], [1349], [1351], [1353], [1360], [1366], [1368], [1481], [1484], [1498], [1504], [1507], [1516], [1710], [1712], [1714], [1716], [1717], [1753], [1763], [1764], [1765], [1766], [1767], [1768], [1771], [1772], [1773], [1774], [1775], [1777], [1778], [1779], [1780], [1797], [1798], [1803], [1819], [1843], [1844], [1859], [1860], [1861], [1862], [1863], [1865], [1866], [1871], [1872], [1873], [1874], [1875], [1876], [1877], [1878], [1879], [1881], [1882], [1883], [1884], [1899], [1900], [1911], [1935], [1937], [1938], [1955], [1957], [1958], [1959], [1960], [1961], [1962], [1963], [1971], [1972], [1973], [1975], [1976], [1977], [1978], [1979], [1980], [1981], [1982], [1987], [1989], [1990], [1991], [2011], [2012], [2013], [2014], [2015], [2016], [2017], [2018], [2019] [2019-10-03 02:53:04,911 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:53:04,911 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:53:05,044 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:53:05,046 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 212 root evaluator evaluations with a maximum evaluation depth of 0. Performed 212 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 394 variables. [2019-10-03 02:53:05,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:05,050 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:53:05,126 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:53:05,126 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:53:05,134 INFO L420 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2019-10-03 02:53:05,134 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:53:05,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:53:05,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-10-03 02:53:05,136 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:05,136 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:05,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:05,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:05,137 INFO L87 Difference]: Start difference. First operand 678 states and 934 transitions. Second operand 2 states. [2019-10-03 02:53:05,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:05,138 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:53:05,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:05,138 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 212 [2019-10-03 02:53:05,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:05,138 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:53:05,138 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:53:05,139 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:05,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:53:05,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:53:05,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:53:05,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:53:05,140 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2019-10-03 02:53:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:05,140 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:53:05,140 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:05,140 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:53:05,140 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:53:05,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:53:05 BoogieIcfgContainer [2019-10-03 02:53:05,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:53:05,149 INFO L168 Benchmark]: Toolchain (without parser) took 7030.22 ms. Allocated memory was 140.0 MB in the beginning and 337.1 MB in the end (delta: 197.1 MB). Free memory was 83.8 MB in the beginning and 236.2 MB in the end (delta: -152.4 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:05,150 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:53:05,151 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1155.36 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 83.6 MB in the beginning and 130.0 MB in the end (delta: -46.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:05,152 INFO L168 Benchmark]: Boogie Preprocessor took 197.19 ms. Allocated memory is still 201.9 MB. Free memory was 130.0 MB in the beginning and 120.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:05,153 INFO L168 Benchmark]: RCFGBuilder took 2533.57 ms. Allocated memory was 201.9 MB in the beginning and 266.3 MB in the end (delta: 64.5 MB). Free memory was 120.7 MB in the beginning and 140.4 MB in the end (delta: -19.7 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:53:05,154 INFO L168 Benchmark]: TraceAbstraction took 3136.56 ms. Allocated memory was 266.3 MB in the beginning and 337.1 MB in the end (delta: 70.8 MB). Free memory was 138.2 MB in the beginning and 236.2 MB in the end (delta: -98.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:53:05,158 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 140.0 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1155.36 ms. Allocated memory was 140.0 MB in the beginning and 201.9 MB in the end (delta: 61.9 MB). Free memory was 83.6 MB in the beginning and 130.0 MB in the end (delta: -46.4 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 197.19 ms. Allocated memory is still 201.9 MB. Free memory was 130.0 MB in the beginning and 120.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2533.57 ms. Allocated memory was 201.9 MB in the beginning and 266.3 MB in the end (delta: 64.5 MB). Free memory was 120.7 MB in the beginning and 140.4 MB in the end (delta: -19.7 MB). Peak memory consumption was 80.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3136.56 ms. Allocated memory was 266.3 MB in the beginning and 337.1 MB in the end (delta: 70.8 MB). Free memory was 138.2 MB in the beginning and 236.2 MB in the end (delta: -98.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2093]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 119 procedures, 834 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2602 SDtfs, 54 SDslu, 1709 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=678occurred in iteration=3, 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, 2.3175355450236967 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 832 NumberOfCodeBlocks, 832 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 828 ConstructedInterpolants, 0 QuantifiedInterpolants, 216353 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 164/168 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...