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 0.1.24-112bae1 [2019-09-10 02:41:09,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:41:09,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:41:09,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:41:09,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:41:09,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:41:09,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:41:09,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:41:09,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:41:09,499 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:41:09,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:41:09,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:41:09,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:41:09,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:41:09,504 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:41:09,505 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:41:09,506 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:41:09,507 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:41:09,509 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:41:09,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:41:09,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:41:09,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:41:09,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:41:09,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:41:09,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:41:09,518 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:41:09,518 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:41:09,519 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:41:09,519 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:41:09,520 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:41:09,521 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:41:09,521 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:41:09,522 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:41:09,523 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:41:09,524 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:41:09,524 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:41:09,525 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:41:09,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:41:09,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:41:09,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:41:09,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:41:09,528 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 02:41:09,543 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:41:09,543 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:41:09,544 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:41:09,544 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:41:09,545 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:41:09,545 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:41:09,545 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:41:09,545 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:41:09,546 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:41:09,546 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:41:09,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:41:09,547 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:41:09,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:41:09,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:41:09,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:41:09,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:41:09,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:41:09,548 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:41:09,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:41:09,548 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:41:09,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:41:09,549 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:41:09,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:41:09,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:41:09,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:41:09,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:41:09,550 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:41:09,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:41:09,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:41:09,551 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:41:09,581 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:41:09,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:41:09,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:41:09,601 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:41:09,601 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:41:09,602 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-09-10 02:41:09,671 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe4a0c8ae/98f1365585d844d0bf2b1d2cfbf5e203/FLAG470ec422c [2019-09-10 02:41:10,348 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:41:10,349 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-09-10 02:41:10,387 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe4a0c8ae/98f1365585d844d0bf2b1d2cfbf5e203/FLAG470ec422c [2019-09-10 02:41:10,529 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe4a0c8ae/98f1365585d844d0bf2b1d2cfbf5e203 [2019-09-10 02:41:10,538 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:41:10,540 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:41:10,541 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:10,541 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:41:10,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:41:10,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:10" (1/1) ... [2019-09-10 02:41:10,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eae6d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:10, skipping insertion in model container [2019-09-10 02:41:10,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:10" (1/1) ... [2019-09-10 02:41:10,557 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:41:10,656 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:41:11,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:11,519 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:41:11,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:11,733 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:41:11,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11 WrapperNode [2019-09-10 02:41:11,733 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:11,734 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:41:11,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:41:11,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:41:11,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11" (1/1) ... [2019-09-10 02:41:11,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11" (1/1) ... [2019-09-10 02:41:11,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11" (1/1) ... [2019-09-10 02:41:11,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11" (1/1) ... [2019-09-10 02:41:11,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11" (1/1) ... [2019-09-10 02:41:11,911 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11" (1/1) ... [2019-09-10 02:41:11,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11" (1/1) ... [2019-09-10 02:41:11,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:41:11,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:41:11,955 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:41:11,955 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:41:11,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11" (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 02:41:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:41:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:41:12,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-09-10 02:41:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-09-10 02:41:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:41:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:41:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:12,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:41:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:41:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:41:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:41:12,009 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:41:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:41:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:41:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:41:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:41:12,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:41:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:41:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:41:12,017 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:41:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:41:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:41:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:41:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:41:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:41:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:41:12,019 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:41:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:41:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:41:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:41:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:41:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:41:12,020 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:41:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:41:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:41:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:41:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:41:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:41:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:41:12,021 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:41:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:41:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:41:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:41:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:41:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:41:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:41:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:41:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:41:12,022 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:41:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:41:12,023 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:41:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:41:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:41:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:41:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:41:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-09-10 02:41:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:41:12,024 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:41:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:41:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:41:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:41:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:41:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:41:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:41:12,025 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:41:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:41:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:41:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:41:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:41:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:41:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:41:12,026 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:41:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:41:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:41:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:41:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:41:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:41:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:41:12,027 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:41:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:41:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:41:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:41:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:41:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:41:12,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:41:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:41:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:41:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:41:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:41:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:41:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:41:12,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:41:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:41:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:41:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:41:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:41:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:41:12,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:41:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:41:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:41:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:41:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:41:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:41:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:41:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:41:12,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:41:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:41:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:41:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:41:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:41:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:41:12,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:41:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:41:12,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:41:12,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:41:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:41:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:41:12,034 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:41:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:41:12,035 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:41:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:41:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:41:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:41:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:41:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-09-10 02:41:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:41:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-09-10 02:41:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:41:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:41:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:41:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:41:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:41:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:41:12,037 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:41:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:41:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:41:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:41:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:41:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:41:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:41:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:41:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:41:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:41:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:41:12,039 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:41:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:41:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:41:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:41:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:41:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:41:12,040 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:41:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:41:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:41:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:41:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:41:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:41:12,041 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:41:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:41:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:41:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:41:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:41:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:41:12,042 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:41:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:41:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:41:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:41:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:41:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:41:12,043 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:41:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:41:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:41:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:41:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:41:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:41:12,044 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:41:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:41:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:41:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:41:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:41:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:41:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:41:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:41:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:41:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:41:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:41:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:41:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:41:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:41:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:41:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:41:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:41:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:41:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:41:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:41:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:41:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:41:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:41:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:41:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:41:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:41:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:41:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:41:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:41:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:41:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:41:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:41:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:41:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:41:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:41:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-09-10 02:41:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:41:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:41:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:41:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:41:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:41:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:41:12,051 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:41:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:41:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:41:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:41:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:41:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:41:12,052 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:41:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:41:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:41:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:41:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:41:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:41:12,053 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:41:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:41:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:41:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:41:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:41:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:41:12,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:41:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:41:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:41:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:12,055 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:41:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:41:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:41:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:41:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:41:12,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:41:12,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:41:14,277 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:41:14,277 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:41:14,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:14 BoogieIcfgContainer [2019-09-10 02:41:14,280 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:41:14,281 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:41:14,281 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:41:14,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:41:14,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:41:10" (1/3) ... [2019-09-10 02:41:14,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4adc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:14, skipping insertion in model container [2019-09-10 02:41:14,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:11" (2/3) ... [2019-09-10 02:41:14,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b4adc2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:14, skipping insertion in model container [2019-09-10 02:41:14,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:14" (3/3) ... [2019-09-10 02:41:14,289 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product34.cil.c [2019-09-10 02:41:14,303 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:41:14,318 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:41:14,342 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:41:14,380 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:41:14,381 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:41:14,388 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:41:14,388 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:41:14,388 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:41:14,389 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:41:14,389 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:41:14,389 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:41:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states. [2019-09-10 02:41:14,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-09-10 02:41:14,477 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:14,479 INFO L399 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] [2019-09-10 02:41:14,482 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:14,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:14,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1487196270, now seen corresponding path program 1 times [2019-09-10 02:41:14,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:14,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:14,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:14,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:14,566 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:15,368 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:15,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:41:15,369 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:15,376 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:15,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:15,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:15,396 INFO L87 Difference]: Start difference. First operand 663 states. Second operand 2 states. [2019-09-10 02:41:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:15,492 INFO L93 Difference]: Finished difference Result 643 states and 871 transitions. [2019-09-10 02:41:15,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:15,496 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 204 [2019-09-10 02:41:15,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:15,528 INFO L225 Difference]: With dead ends: 643 [2019-09-10 02:41:15,528 INFO L226 Difference]: Without dead ends: 634 [2019-09-10 02:41:15,531 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 02:41:15,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2019-09-10 02:41:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 634. [2019-09-10 02:41:15,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2019-09-10 02:41:15,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 860 transitions. [2019-09-10 02:41:15,678 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 860 transitions. Word has length 204 [2019-09-10 02:41:15,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:15,683 INFO L475 AbstractCegarLoop]: Abstraction has 634 states and 860 transitions. [2019-09-10 02:41:15,683 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 860 transitions. [2019-09-10 02:41:15,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-09-10 02:41:15,695 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:15,695 INFO L399 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] [2019-09-10 02:41:15,696 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:15,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:15,697 INFO L82 PathProgramCache]: Analyzing trace with hash -782515477, now seen corresponding path program 1 times [2019-09-10 02:41:15,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:15,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:15,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:15,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:15,699 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:15,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:15,972 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:15,972 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:15,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:15,972 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:15,976 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:15,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:15,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:15,977 INFO L87 Difference]: Start difference. First operand 634 states and 860 transitions. Second operand 3 states. [2019-09-10 02:41:16,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:16,034 INFO L93 Difference]: Finished difference Result 637 states and 863 transitions. [2019-09-10 02:41:16,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:16,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 205 [2019-09-10 02:41:16,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:16,045 INFO L225 Difference]: With dead ends: 637 [2019-09-10 02:41:16,045 INFO L226 Difference]: Without dead ends: 637 [2019-09-10 02:41:16,046 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 02:41:16,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-09-10 02:41:16,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-09-10 02:41:16,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-09-10 02:41:16,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 862 transitions. [2019-09-10 02:41:16,084 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 862 transitions. Word has length 205 [2019-09-10 02:41:16,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:16,085 INFO L475 AbstractCegarLoop]: Abstraction has 636 states and 862 transitions. [2019-09-10 02:41:16,086 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:16,086 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 862 transitions. [2019-09-10 02:41:16,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-09-10 02:41:16,092 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:16,092 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:16,093 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:16,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:16,093 INFO L82 PathProgramCache]: Analyzing trace with hash 447199231, now seen corresponding path program 1 times [2019-09-10 02:41:16,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:16,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:16,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:16,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:16,095 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:16,401 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:16,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:16,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:16,402 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:16,404 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:16,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:16,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:16,409 INFO L87 Difference]: Start difference. First operand 636 states and 862 transitions. Second operand 3 states. [2019-09-10 02:41:16,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:16,451 INFO L93 Difference]: Finished difference Result 679 states and 935 transitions. [2019-09-10 02:41:16,453 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:16,454 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2019-09-10 02:41:16,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:16,462 INFO L225 Difference]: With dead ends: 679 [2019-09-10 02:41:16,462 INFO L226 Difference]: Without dead ends: 679 [2019-09-10 02:41:16,462 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 02:41:16,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2019-09-10 02:41:16,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 678. [2019-09-10 02:41:16,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2019-09-10 02:41:16,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 934 transitions. [2019-09-10 02:41:16,499 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 934 transitions. Word has length 211 [2019-09-10 02:41:16,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:16,500 INFO L475 AbstractCegarLoop]: Abstraction has 678 states and 934 transitions. [2019-09-10 02:41:16,501 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:16,501 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 934 transitions. [2019-09-10 02:41:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2019-09-10 02:41:16,508 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:16,509 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:41:16,509 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:16,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:16,509 INFO L82 PathProgramCache]: Analyzing trace with hash -811623100, now seen corresponding path program 1 times [2019-09-10 02:41:16,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:16,512 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:16,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:16,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:16,514 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-10 02:41:17,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:17,007 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:41:17,008 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2019-09-10 02:41:17,010 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] [2019-09-10 02:41:17,089 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:41:17,089 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:41:17,227 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:41:17,228 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. [2019-09-10 02:41:17,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:17,232 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:41:17,312 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:41:17,312 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:41:17,320 INFO L420 sIntCurrentIteration]: We unified 211 AI predicates to 211 [2019-09-10 02:41:17,320 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:41:17,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:41:17,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-09-10 02:41:17,322 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:17,323 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:17,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:17,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:17,324 INFO L87 Difference]: Start difference. First operand 678 states and 934 transitions. Second operand 2 states. [2019-09-10 02:41:17,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:17,325 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:41:17,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:17,325 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 212 [2019-09-10 02:41:17,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:17,326 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:41:17,326 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:41:17,327 INFO L628 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 [2019-09-10 02:41:17,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:41:17,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:41:17,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:41:17,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:41:17,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2019-09-10 02:41:17,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:17,328 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:41:17,328 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:17,328 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:41:17,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:41:17,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:41:17 BoogieIcfgContainer [2019-09-10 02:41:17,334 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:41:17,337 INFO L168 Benchmark]: Toolchain (without parser) took 6796.03 ms. Allocated memory was 131.1 MB in the beginning and 358.1 MB in the end (delta: 227.0 MB). Free memory was 83.2 MB in the beginning and 89.2 MB in the end (delta: -5.9 MB). Peak memory consumption was 221.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:17,338 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 131.1 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:41:17,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1193.14 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 83.0 MB in the beginning and 125.2 MB in the end (delta: -42.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:17,340 INFO L168 Benchmark]: Boogie Preprocessor took 219.80 ms. Allocated memory is still 198.7 MB. Free memory was 125.2 MB in the beginning and 115.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:17,341 INFO L168 Benchmark]: RCFGBuilder took 2325.42 ms. Allocated memory was 198.7 MB in the beginning and 273.7 MB in the end (delta: 75.0 MB). Free memory was 115.6 MB in the beginning and 151.8 MB in the end (delta: -36.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:17,343 INFO L168 Benchmark]: TraceAbstraction took 3053.51 ms. Allocated memory was 273.7 MB in the beginning and 358.1 MB in the end (delta: 84.4 MB). Free memory was 151.8 MB in the beginning and 89.2 MB in the end (delta: 62.6 MB). Peak memory consumption was 147.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:17,347 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 131.1 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1193.14 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 83.0 MB in the beginning and 125.2 MB in the end (delta: -42.2 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 219.80 ms. Allocated memory is still 198.7 MB. Free memory was 125.2 MB in the beginning and 115.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2325.42 ms. Allocated memory was 198.7 MB in the beginning and 273.7 MB in the end (delta: 75.0 MB). Free memory was 115.6 MB in the beginning and 151.8 MB in the end (delta: -36.1 MB). Peak memory consumption was 78.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3053.51 ms. Allocated memory was 273.7 MB in the beginning and 358.1 MB in the end (delta: 84.4 MB). Free memory was 151.8 MB in the beginning and 89.2 MB in the end (delta: 62.6 MB). Peak memory consumption was 147.0 MB. 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, 2.9s 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...